A computer system for processing of data received from a remote device. The computer system includes a master device and at least one slave device. The master device is communicably coupled to the remote device and has a display and a memory. The master device partitions the data into one or more sub data. The at least one slave device is coupled to the master device. The master device delegates processing of the one or more sub data to one or more of the at least one slave device, and the one or more of the at least one slave device correspondingly to the one or more sub data generate processed sub data. The master device stores the processed sub data and outputs the processed sub data to the display.

Herein is disclosed a positional content platform and related systems and methods. According to some embodiments, the platform includes a mobile processing and communication device and a service layer executing on a server. The mobile processing and communication device communicates with the service layer. By virtue of the communication, a user of the mobile device is able to locate and view digital content that has been created and stored on the platform. The aforementioned content is associated with a geographic location, and, according to some embodiments, the content is represented in a user interface by an icon that is superimposed over a field of view representative of a geographic region.

A meat-processing system includes a production station for producing meat products, a processing station for processing the meat products, and a conveying system configured for conveying the meat products in a conveying direction along a conveying path from the production station to the processing station. The conveying system includes a supply conveyor and a discharge conveyor. The supply conveyor is configured for transferring the meat products to the discharge conveyor in such a manner that the discharge orientation with which the meat products are delivered by the production station differs from the orientation with which the meat products are supplied to the processing station.

A specimen transport apparatus according to an aspect is provided with a holder which holds a cup-like specimen container accommodating a specimen in an upright position, a chain member disposed along a predetermined transport path, and a supporting portion provided in a predetermined position on the chain member and configured to support the holder.

A conveyor belt having opposing ends to be connected for endlessing the conveyor belt. The belt includes a belt member, and two planar connector parts provided one at each said end of the belt. Each connector part has, at an edge of the connector part, an edge coil extending over the width of the belt. The belt is configured to be endlessed by bringing the edge coils of the first and second end into a sideways engagement to obtain an overlapping coil area and by inserting a closing wire through the overlapping coil area. Each connector part has a set of splice fingers engaging in correspondingly shaped finger recesses formed in the belt member.

A method for storing and transporting products in a low-pressure storage device and a low-pressure storage device therefore, to allow product storage in a simple manner, and to control the storage in a simple manner. The products transfer on a first storage path and on a second storage path that is arranged directly next to the first storage path, during the storage operation of the storage device.

Various embodiments of ladders, ladder components, accessories for ladders, ladder systems and related methods are provided. In one embodiment a ladder and platform system is provided having at least two ladders and a platform or plank. The platform or plank has coupling mechanisms that provide adjustable but secure coupling of the platform to the ladders, either with the top cap or with the rungs. Other embodiments include storage devices and paint trays for use with ladders and ladder systems incorporating such devices.

Embodiments of the disclosure may provide a ladder access system. The ladder access system may include a base having a clamp disposed proximal an excavation end thereof. The clamp may be configured to secure the base to an excavation support structure. A first side rail may be disposed on a first side of the base and a second side rail may be disposed on a second side of the base. The ladder access system may also include a gate disposed at a surface end of the base and extending between the first and second side rails. The ladder access system may further include a ladder support disposed proximal the excavation end of the base and extending from the first or second side rail, the ladder support being configured to uphold an upper end of a ladder disposed in an excavation and leaning thereupon.

A tether device includes a magnetic base; a pole having a first end attached to the magnetic base; and a connector or clip attached at a second end of the pole, for removably connecting the tethering device to a user. Also, a method for tethering a user to a hull of a vessel including the steps of providing a tether device having a magnetic base, a pole having a first end attached to the magnetic base, and a connector or clip attached at a second end of the pole; connecting the connector or clip to the user; and engaging the magnetic base with the hull of the vessel.

A ladder safety accessory kit (5) for straight and extension ladders (1) having an upper stabilizer assembly (2) that makes the ladder adaptable to any shaped structure or surface, a lower stabilizer assembly (3) that makes the ladder adjustable to accommodate for uneven ground, a leveling measurement device (4) that allows a user to quickly and easily determine that the ladder is level and angled correctly and a storage tray (36) that provides a storage area for tools and other items. The ladder safety accessory kit may be integrated with new ladders or used to retrofit existing ladders.

A ladder accessory that is used with a ladder that extends out from the side of the ladder to provide footing for a worker. The accessory comprises an elongated rectangular open box structure defining at least one set of two parallel ladder rail channels that are placed crosswise (perpendicular) to the length of the box structure and are spaced apart a distance such that one of said channels can engage one rail of a ladder and the other channel can engage the other rail and both channels engage a rung. The rectangular elongated box defines two side walls that contain single hook key slots that can be engaged with rungs of the ladder when the accessory is placed lengthwise parallel to the rails of the ladder and, with a rung lock mechanism, can be fastened to the ladder and carried with the ladder.

An upper body harness portion for converting a seat-style harness to a full body harness. The upper body harness portion includes a front lower component, a rear lower component, and an upper torso component having elongated first, second and third webbings. The ends of the first and second webbings are detachably securable to opposite sides of the front and rear or side portions of the seat-style harness waist belt, respectively. The third webbing forms a closed loop which, when worn, extends over a wearer's shoulders on opposite sides of the wearer's head. First and second connectors are slidably connected to the third webbing, with the first connector also being slidably connected to the first webbing adjacent the front of a wearer and the second connector being slidably connected to the second webbing adjacent the back of a wearer.

A sensor signal processing device includes an AD conversion section, a filter section, a timing signal generation section, and an arithmetic section. The timing signal generation section generates a signal synchronized with a crank angle of an engine based on a signal indicating the crank angle and generates a data acquisition timing signal by compensating the signal synchronized with the crank angle with a delay time of the filter. The arithmetic section acquires a plurality of sensor signals, which is transmitted from a sensor, converted from an analog signal to a digital signal by the AD conversion section, and filtered by the filter section, in a term before and after receiving the data acquisition timing signal and generates a data synchronized with the data acquisition timing signal.

The invention relates to a unit for simulating the pressure and temperature conditions of an air flow drawn in by a reciprocating internal combustion engine (1) at a height above sea level, corresponding to the operating height of said reciprocating internal combustion engine (1). According to the invention, the unit comprises at least: (a) a radial inward-flow turbine (2) for expanding an air flow towards the pressure and temperature of the air drawn in by the reciprocating internal combustion engine; (b) a first container (4) and (c) a second container (5) connected to the first container (4) by means of at least a connection pipe (7) in order to balance the pressure between the two containers; (d) a centrifugal compressor (3); and (e) a vacuum pump (6) for maintaining a pressure equal to the pressure of the air flow drawn in by the reciprocating internal combustion engine (1). The invention also relates to the use of said unit for simulating the pressure and temperature conditions of the air drawn in by a reciprocating internal combustion engine.

An internal combustion engine includes a first cylinder having an intake valve in fluid communication with an intake manifold, and a second cylinder having an exhaust valve in fluid communication with an exhaust manifold. A transfer passage fluidly connects the first cylinder with the second cylinder. A first fuel injector is configured to provide a first fuel to the first cylinder, and a second fuel injector is configured to provide a second fuel to the second cylinder. The first cylinder operates, at times, to push a first air/fuel mixture through the transfer passage into the second cylinder. The second fuel injector is configured to provide at least one fuel injection plume into the first air/fuel mixture.

A lubricating configuration in a two-stroke cycle, opposed-piston engine for a piston wristpin minimizes losses in oil pressure at the wristpin as the piston approaches bottom center and reduces the required oil supply pressure to the engine. The wristpin is constructed to absorb and store oil pressure energy when oil pressure at the wristpin is high, and to release that stored energy to pressurize the oil at the wristpin when connecting rod oil pressure is low.

According to the present disclosure, a fuel supply system having a recirculation loop is provided. The fuel supply system comprises a fuel tank; a return line coupled fluidly to the fuel tank; a fuel manifold; and a recirculation loop, wherein the return line is coupled fluidly to the recirculation loop at a first node to return fuel from the recirculation loop to the fuel tank, and the recirculation loop comprises a heat exchanger positioned downstream of the fuel manifold and upstream of the first node. The recirculation loop may comprise an orifice positioned upstream of the heat exchanger and downstream of the fuel manifold. Additionally, the fuel supply system may further comprise a supply line coupled fluidly to the fuel tank and further coupled fluidly to the recirculation loop at a second node positioned upstream of the fuel manifold and downstream of the first node.

Method and system for operating a compression engine on ether containing fuel obtained by conversion of a primary fuel based on alcohol comprising the steps and means for: (a) continuously withdrawing the primary fuel based on alcohol from a fuel tank and pressurising the primary fuel based on alcohol in its liquid form to a final engine injection pressure; (b) continuously introducing the pressurized primary fuel based on alcohol into a fuel accumulation chamber; (c) continuously distributing the pressurized primary fuel based on alcohol into pipes connecting the accumulation chamber with fuel injectors of the engine; (d) prior to the fuel injectors continuously converting the pressurised primary fuel based on alcohol to an ether containing fuel by contact with an alcohol dehydration catalyst being arranged in each of the pipes upstream the fuel injectors; (e) continuously injecting the ether containing fuel at injection pressure into the engine; and (f) continuously withdrawing a part of the introduced primary fuel based on alcohol from the accumulation chamber; and (g) depressurising and recycling the withdrawn primary fuel based on alcohol to the fuel tank.

To provide a magnetic element capable of performing skyrmion transfer, a skyrmion memory to which this magnetic element is applied, and a shift register, for example, a magnetic element capable of performing skyrmion transfer is provided, the magnetic element providing a transverse transfer arrangement in which the skyrmion is transferred substantially perpendicular to a current between an upstream electrode and a downstream electrode, and including a plurality of stable positions in which the skyrmion exists more stably than in other regions of a magnet, and a skyrmion sensor that detects a position of the skyrmion.

To provide a magnetic element which can generate a skyrmion, and a skyrmion memory which applies the magnetic element or the like. To provide a magnetic element with a chiral magnet for generating a skyrmion, the chiral magnet is made of a magnetic material having a β-Mn type crystal structure. Also, to provide a magnetic element with a chiral magnet for generating a skyrmion, the chiral magnet is made of a magnetic material having an Au4Al type crystal structure.

A magnetic element capable of generating and erasing a skyrmion, including a magnet shaped as a thin layer and including a structure surrounded by a nonmagnetic material; a current path provided surrounding an end region including an end portion of the magnet, on one surface of the magnet; and a skyrmion sensor that detects the generation and erasing of the skyrmion. With Wm being width of the magnet and hm being height of the magnet, a size of the magnet, with the skyrmion of a diameter λ being generated, is such that 2λ>Wm>λ/2 and 2λ>hm>λ/2. With W being width of the end region in a direction parallel to the end portion of the magnet and h being height of the end region in a direction perpendicular to the end portion of the magnet, the end region is such that λ≧W>λ/4 and 2λ>h>λ/2.

An SRAM includes an SRAM array comprising a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.

Provided is a magnetic element capable of generating one skyrmion and erasing the one skyrmion. The magnetic element includes a magnet shaped like a substantially rectangular flat plate, an upstream electrode connected to the magnet in a width Wm direction of the magnet and made of a non-magnetic metal, a downstream electrode connected to the magnet in the width Wm direction to oppose the upstream electrode and made of a non-magnetic metal, and a skyrmion sensor configured to detect the skyrmion. Here, a width Wm of the substantially rectangular magnet is such that 3·λ>Wm≧λ, where λ denotes a diameter of the skyrmion, a length Hm of the substantially rectangular magnet is such that 2·λ>Hm≧λ, and the magnet has a notch structure at the edge between the upstream electrode and the downstream electrode.

An address generation circuit may include: a first latch unit suitable for latching an address obtained by inverting a part of an input address; a second latch unit suitable for latching the partly inverted input address of the first latch unit, and suitable for latching an added/subtracted address after a first refresh operation during a target refresh period; a third latch unit suitable for latching the partly inverted input address of the first latch unit during a period other than the target refresh period; and an addition/subtraction unit suitable for generating the added/subtracted address by adding/subtracting a predetermined value to/from the latched address of the second latch unit.

A bit line architecture for dual-port static random-access memory (DP SRAM) is provided. An array of memory cells is arranged in rows and columns, and comprises a first subarray and a second subarray. A first pair of complementary bit lines (CBLs) extends along a column, from a first side of the array, and terminates between the first and second subarrays. A second pair of CBLs extends from the first side of the array, along the column, to a second side of the array. The CBLs of the second pair of CBLs have stepped profiles between the first and second subarrays. A third pair of CBLs and a fourth pair of CBLs extend along the column. The first and third pairs of CBLs electrically couple to memory cells in the first subarray, and the second and fourth pairs of CBLs electrically couple to memory cells in the second subarray.

An apparatus for assigning a plurality of access nodes of a wireless communication network to control areas includes a processing apparatus. The processing apparatus is configured to assign each access node in the plurality of access nodes to a control area of a plurality of control areas and to determine a first control phase. The first control phase is a period of time during which the assignment of access nodes to control areas remains constant. The processing apparatus is configured to, when changing from the first control phase to a following second control phase, reassign at least a subset of access nodes which were assigned during the first control phase to a first control area to a second control area and reassign at least a subset of access nodes which were assigned during the first control phase to a third control area to the first control area.

A method for transmitting uplink (UL) data requiring low latency in a wireless communication system according to the present invention, the method performed by a user equipment comprises transmitting contention PUSCH resource block (CPRB) indication information used for identifying a particular UE and/or particular data to an eNB; transmitting UL data to the eNB through CPRB resources of a contention based PUSCH (CP) zone; and receiving a hybrid automatic retransmit request (HARQ) response with respect to the UL data from the eNB through a physical hybrid ARQ indicator channel (PHICH).

Disclosed are a method for transmitting and receiving a frame in a wireless local area network (WLAN) system and an apparatus for the same. A method for generating interference/non-interference station lists includes receiving a first frame from a second station, acquiring a receiver address of the first frame from the first frame, and setting, based on whether to receive a second frame that is a response to the first frame from a third station indicated by the receiver address within a preset time from a time when the first frame has been received, the third station as an interference station or a non-interference station. Therefore, the performance of a communication system may be improved.

This disclosure describes methods, devices, and systems related to an OFDMA Distributed Channel Access. Devices are disclosed comprising: at least one processor; and at least one memory that stores computer-executable instructions, wherein the at least one processor is configured to access the at least one memory and execute the computer-executable instructions to identify a trigger frame received on the communication channel from the computing device. The at least one processor may determine an uplink frame to be sent to a computing device on a communication channel. The at least one processor may identify one or more random access resource allocations, wherein the one or more random access resource allocations are associated with the trigger frame. The at least one processor may assign a respective numerical value to each of the one or more random access resource allocations. The at least one processor may also select a numerical value based at least in part on a probability distribution. The at least one processor may also determine a particular resource allocation of the one or more random access resource allocations that corresponds to the numerical value. The at least one processor may also cause the uplink frame to be sent to the computing device using the particular resource allocation.

A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. The system evaluates signal quality metrics for each frequency band and selects a communication method based on the evaluation. Multiple frequency bands and communication methods can be utilized by the system such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The system monitors communications and can report link performance for adaptive control of the selected communication methods.

In one embodiment, a server of a first wireless communication network receives a wireless communication originated by a terminal of the first wireless communication network, the wireless communication containing a current geographic location of the terminal as determined by the terminal. The server may then determine acceptable communication parameters for the terminal to communicate on the first wireless communication network, e.g., based on preventing transmission by the terminal that might interfere with operation of one or more unintended receivers. The server then generates an instruction message for the terminal based on the acceptable communication parameters, and transmits the instruction message toward the terminal to cause the terminal to only continue transmitting according to acceptable communication parameters.

A system that incorporates the subject disclosure may perform, for example, a method for detecting signal interference in a first segment of a plurality of segments of a radio frequency spectrum of a wireless communication system, determining according to the signal interference a measure of quality of service of the first segment for transmitting voice traffic, comparing the measure of quality of service to a desired measure of quality of service measure for voice traffic, determining from the comparison that the first segment is not suitable for voice traffic, and notifying a system that the first segment is not suitable for voice traffic. Other embodiments are disclosed.

The present invention relates to a wireless communication system, and a method for determining a resource for device-to-device communication by a user equipment is disclosed. A method for determining a resource for device-to-device communication according to an embodiment of the present invention may comprise the steps of: receiving, from an eNode B (eNB), configuration information related to a resource pool configured for each level; selecting the resource pool of the device-to-device communication on the basis of the configuration information; and selecting a resource for the device-to-device communication in the resource pool. Herein, the resource pool may be configured to have two or more levels.

In one embodiment, a device of a first wireless communication network determines a link budget from a terminal in the first communication network to an unintended receiver for a communication from the terminal to an intended receiver in the first wireless communication network, based on the communication being configured with initial communication parameters. The device also determines whether one or more adjusted communication parameters would result in reducing a received power at the unintended receiver being below a link budget threshold, while still satisfying a receive sensitivity of the intended receiver. If so, the device causes the terminal to transmit the communication using the adjusted communication parameters. In one embodiment, the device is the terminal, and causing comprises transmitting as the terminal. In another embodiment, the device is a server of the first communication network, and causing comprises instructing the terminal to transmit the communication using the adjusted communication parameters.

A method and a radio network node for scheduling wireless devices. The node assigns, to each wireless device, a D2D pair out of the D2D pairs based on spatial compatibilities for each of the D2D pairs with respect to each wireless device. The node estimates, for each wireless device and the assigned D2D pair, a first respective throughput for cellular communication and D2D communication, and estimates, for each wireless device, a second respective throughput for only cellular communication. The node schedules one or more of the wireless devices of the cellular network based on the first and second respective throughputs. Each of the wireless devices is scheduled for cellular communication together with the D2D communication of the assigned D2D pair when the first respective throughput exceeds the second respective throughput, or for only cellular communication when the first respective throughput is below the second respective throughput.

Embodiments of the present invention disclose a wireless access point, including: a first radio frequency module, a second radio frequency module, and a processor. A frequency band of the first radio frequency module is the same as that of the second radio frequency module; the first radio frequency module and the second radio frequency module work on different channels; a first transmit power upper limit of the first radio frequency module is greater than a second transmit power upper limit of the second radio frequency module; and the processor is configured to schedule a terminal whose signal strength is greater than a threshold to associate with the wireless access point by using the second radio frequency module. The complexity of hardware design for integrating two radio frequency modules of a same frequency band into one AP may be reduced.

A wireless transmit/receive unit (WTRU) may receive a system information block (SIB) associated with proximity related localized applications broadcasted by an eNodeB. The WTRU may receive in response to sent location information, a proximity detection associated with another WTRU associated with the proximity related localized application. The transceiver may also receive scheduling information for a proximity related localized application and for other applications where a first radio network temporary identifier (RNTI) is for scheduling information for the proximity related localized application and a second RNTI is for scheduling information for the other applications.

A technique for emulating virtual port control of airtime fairness for wireless stations using per station Enhanced Distributed Channel Access (EDCA) parameters. Specific parameters are received for each of a plurality of stations connected to the access point. An EDCA field of a beacon that stores a general EDCA parameter is set to an empty state. The beacon is broadcast to a plurality stations on the wireless communication network and within range of an access point. The beacon comprises a BSSID (Basic Service Set Identifier) for use by the plurality of stations to connect with the access point for access to the wireless communication network. The beacon also comprises an empty EDCA field. In response to broadcasting the empty EDCA parameter, receiving a direct inquiry from each of the plurality of stations for the general EDCA parameter. Each of the plurality of stations is responded to with a direct communication of a specific parameter corresponding to each station. A transmission is received from at least one of the stations complying with the specific parameter.

A method, in a network node, for managing a wireless device is disclosed. The method comprises conducting spectrum opportunity detection within a spectrum band and indicating a result of the spectrum opportunity detection to the wireless device. For the purposes of the method, a spectrum opportunity comprises a channel within the spectrum band which is at least temporarily available for use by the wireless device. Also disclosed is a method in a wireless device in a network. The method comprises detecting an indication of a result of spectrum opportunity detection conducted by a network node within a spectrum band and if the indication indicates a detected spectrum opportunity, conducting one of a transmission or reception operation on the detected spectrum opportunity. Also disclosed are a computer program product for carrying out the above methods, a network node and a wireless device.

According to one embodiment, a wireless communication device includes: a receiver that configured to receives a first frame; and a transmitter that configured to transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the first frame and being different from a source address of the first frame.

Provided is a method of assigning a slot, the method including transmitting an assignment request for at least one slot of a first frame to a terminal, determining whether an acknowledgement (ACK) of the assignment request is received from the terminal, in a slot corresponding to the at least one slot in a second frame which is a subsequent frame of the first frame, and determining whether the at least one slot for which the assignment request is transmitted has been assigned based on whether the ACK of the assignment request is received.

A method includes: monitoring a plurality of wireless working frequency bands supported by a smart terminal; when a Peer to Peer (P2P) data packet is received at any of the wireless working frequency bands, analyzing the P2P data packet and obtaining device information of a smart device; and establishing a wireless connection with the smart device at the wireless working frequency band according to the device information.

Provided are a device-to-device (D2D) operation method carried out by a terminal in an RRC connection state in a wireless communication system, and a terminal using the method. The method is characterized by: determining whether a radio resource control (RRC) connection establishment process is problematic; and transmitting a D2D signal using an exception resource, when the RRC connection establishment process is determined to be problematic.

Provided are a device-to-device (D2D) operation method carried out by a terminal in an RRC connection state in a wireless communication system, and a terminal using the method. The method is characterized by: determining whether a communication link with a base station is problematic; and transmitting a D2D signal using an exception resource, when the communication link with the base station is determined to be problematic.

Provided is a network self-healing method in which, when a link between a parent device and a child device breaks down in a wireless communication network of a cluster-tree structure in which a main communication device (referred to an access point (AP)) manages network operation, routers that are devices capable of having their child devices, and end devices that are devices incapable of having their child devices are associated with each other in a parent-child device relationship, the link is restored. When a router becomes an orphan device, the router makes network re-association in a cluster unit while maintaining synchronized operation with its child devices, and thus time, energy and signaling burden for network self-healing is largely reduced.

XQuery queries that include functions that operate on dynamically typed XML data are rewritten into compilable SQL constructs. XML data that is dynamically typed is XML data for which a specific XML data type cannot be determined at compile time and in fact may vary. In general, XQuery queries are rewritten into SQL queries that use SQL constructs in lieu of XQuery constructs. The SQL constructs include an “SQL polymorphic function” that is defined or recognized by a database system as valid syntax for an SQL query. The rewritten query applies the XML data to the SQL polymorphic function, but the XML data has been typed as XMLType, a data type recognized by SQL standards.

An improved apparatus for correcting deflection in small diameter feed and retard rolls of an open width stabilizer so as to create a straight line nip with uniform pressure across the nip. The improved apparatus provides apparatus for adjusting deflection of the rolls to thereby maintain a desired size to a passageway between them so as to optimize compaction of a fabric web material. A wedge-like member is disposed between, and in moving relationship to, feed and retard roller bearings. The wedge-like member is asymmetrical, has feed and retard sides that engage the feed and retard roller bearings, respectively, and exerts reaction forces against each of the respective bearings. Improvement resides in the reaction forces causing the rolls the rolls to not deflect downwardly.

A spring steel slip sheet for a compactor and for extending into a compression zone defined by a feed roll and a retard roll for shrinking a fabric. The slip sheet is for the compactor, extends into the compression zone defined by the feed roll and the retard roll for shrinking the fabric, and is made of spring steel. The slip sheet is sheet-like and includes a mounting portion and a compressing portion. The compressing portion extends from the mounting portion at an interface line. The mounting portion usually is flat and the compressing portion usually is arcuate. The compressing portion curves similarly as the feed roll of the compactor does, and presses the fabric against the feed roll of the compactor as the fabric enters the compression zone of the compactor.

A device for preventing jamming of a fibrous material subject to a compressive treatment in a stuffing chamber defined by a feed roll and a retard roll. The device includes an impact blade and a stabilizing apparatus. The impact blade is rigid and interchangeable. The stabilizing apparatus stabilizes the impact blade against moving away from the feed roll to prevent the jamming of the fibrous material between the feed roll and the impact blade during the compressive treatment of the fibrous material.

A method of producing an entangled sheet of microfine long fibers using long fibers for forming microfine fibers. The method includes a step of forming a long-fiber web made of long fibers for forming microfine fibers, at least one component of the long fibers being a water-soluble, thermoplastic polyvinyl alcohol resin; a step of entangling the long-fiber web to form a long-fiber entangled sheet; a step of shrinking the long-fiber entangled sheet to form a long-fiber shrunk sheet; and a step of converting the long fibers for forming microfine fibers in the long-fiber shrunk sheet to microfine long fibers, thereby producing the entangled sheet of microfine long fibers. The step of entangling is conducted so as to allow the long-fiber entangled sheet to have an interlaminar peel strength of 2 kg/2.5 cm or more. The step of shrinking is conducted so as to shrink in an areal shrinkage of 35% or more.