Abstract: Embodiments of the present invention provide a hollow cylindrical filter for removing efficiently foreign substances from fluids. This is performed by forming complicated passages including an axial direction and a radial direction in the filter. The hollow cylindrical filter is formed by winding a metal wire rod in a spiral and multilayered manner. The metal wire rod includes a recess formed throughout the entire length in a longitudinal direction, or recesses repeated along said longitudinal direction. Some wire rod layers extend in an axial direction of the hollow cylindrical filter while the adjacent wire rod layers extend in an intersecting direction, thereby forming a plurality of communication paths for communicating between the overlapping wire rod layers. Additionally, a space is formed between the recess of one wire rod layer and another adjacent wire rod layer, allowing the plurality of communication paths to communicate with each other.

Abstract: The present invention includes: a cylinder; a piston that is inserted in the cylinder and partitions an interior of the cylinder into fluid chambers and; guides that support the piston and guide movement of the cylinder, the guides including a first internal flow passage and a second internal flow passage; and nozzles communicating with the fluid chambers, respectively, wherein a pipe to communicate with a fluid pressure source is configured to switch between the external pipes, a flow passage from the fluid pressure source to the nozzles includes a short-circuit flow passage that short-circuits a flow passage communicating with the fluid pressure source and a flow passage not communicating with the fluid pressure source, and this short-circuit flow passage is provided with a throttle unit that throttles a flow passage.

Abstract: The retainer includes a first metal plate member 10A or 40A in which flow-path forming members having a predetermined curved shape or a linear shape are arranged on the same plane in parallel to each other at a predetermined interval to form a donut shape as a hole, and a second metal plate member 10B or 40B having a configuration equivalent to that of the first metal plate member, wherein crossings of the flow-path forming members configuring the respective metal plate members are fixed with the second metal plate member stacked on the first metal plate member, and the flow-path forming members 15A or 50A configuring the first metal plate member and the flow-path forming members 15B or 50B configuring the second metal plate member form a line symmetric shape in plan view.

Abstract: A device is provided that provides an unbiased filtration effect and an effect of removing captured substances through backwashing by causing a fluid to uniformly pass through a filter element over the entire length in an axial direction at the time of backwashing so as to efficiently rotate a captured-substance removal tool in a filtration unit 1 which includes the captured-substance removal tool 20 axially supported inside the tubular filter element 2 to be rotatable.

Abstract: A new implant for bone fracture treatment that can easily and securely fix bone fragments is provided. An implant 2 for bone fracture treatment that covers bone fragments gathered at a site to be treated for a bone fracture in a living body and reduces and fixes the site invasively includes a metal knit portion 10 formed by knitting a metal string 11 constituted by one or a plurality of biocompatible metal string elements 12 into a cylindrical shape by circular knitting. The implant 2 further includes a resin knit portion 30 formed by knitting a resin string 31 constituted by one or a plurality of biocompatible resin string elements into a cylindrical shape by circular knitting. The metal knit portion 10 and the resin knit portion 30 are knitted to be continuous in an axial direction.

Abstract: A filtration apparatus includes: a cylindrical filter element formed in a cylindrical shape to filter a target fluid guided through an one end opening of the filter element in such a manner that the target fluid passes in a direction from an inside toward an outside of the filter element; a backwashing mechanism drawing the filtered fluid in a direction from the outside toward the inside of the filter element; a high-pressure washing mechanism injecting a high-pressure fluid so as to pass through the filter element in the direction from the inside toward the outside of the filter element; and a rotary drive mechanism rotating the backwashing mechanism and the high-pressure washing mechanism around an axial line of the filter element in an internal space of the filter element.

Abstract: Embodiments of the present invention provide a hollow cylindrical filter for removing efficiently foreign substances from fluids. This is performed by forming complicated passages including an axial direction and a radial direction in the filter. The hollow cylindrical filter is formed by winding a metal wire rod in a spiral and multilayered manner. The metal wire rod includes a recess formed throughout the entire length in a longitudinal direction, or recesses repeated along said longitudinal direction. Some wire rod layers extend in an axial direction of the hollow cylindrical filter while the adjacent wire rod layers extend in an intersecting direction, thereby forming a plurality of communication paths for communicating between the overlapping wire rod layers. Additionally, a space is formed between the recess of one wire rod layer and another adjacent wire rod layer, allowing the plurality of communication paths to communicate with each other.

Abstract: The filtering apparatus includes: a casing having an inlet for a fluid from the outside and an outlet for the fluid having filtered therein; filter elements having opposite-end openings, provided in the casing, and each filtering the fluid by allowing the fluid to flow therethrough in inside-to-outside directions; backwashing pipes sequentially connected to the opposite-end openings at different timings between the opposite-end openings of each filter element so as to backwash the filter element by allowing the fluid to flow therethrough in outside-in directions; removers each axially moved in the corresponding filter element by the filtration or backwashing flow, while sliding in contact with the inner periphery of the filter element so as to remove trapped objects; and a backwashing fluid drain pipe coupled to the discharge side of the backwashing pipes and allowing the trapped objects removed by each remover to be discharged to the outside.

Abstract: A device is provided that provides an unbiased filtration effect and an effect of removing captured substances through backwashing by causing a fluid to uniformly pass through a filter element over the entire length in an axial direction at the time of backwashing so as to efficiently rotate a captured-substance removal tool in a filtration unit 1 which includes the captured-substance removal tool 20 axially supported inside the tubular filter element 2 to be rotatable.

Abstract: Provided is a cylindrical filter for a gas generator including a metal wire in a wound state, the metal wire including a plurality of recess portions provided on a first surface side and formed at intervals in a length direction thereof, the metal wire being wound with a surface including the recess portions facing an inner circumferential surface side of the cylindrical filter for a gas generator, and the recess portions of the metal wire being present on an inner side of the metal wire which extends from an inner circumferential surface toward an outer circumferential surface of the cylindrical filter.

Abstract: A device is provided that provides an unbiased filtration effect and an effect of removing captured substances through backwashing by causing a fluid to uniformly pass through a filter element over the entire length in an axial direction at the time of backwashing so as to efficiently rotate a captured-substance removal tool in a filtration unit 1 which includes the captured-substance removal tool 20 axially supported inside the tubular filter element 2 to be rotatable.

Abstract: The present invention provides a tubular filter element 3 configured to filter fluid by allowing the fluid to pass therethrough from the inside to the outside, and to be backwashed by allowing the fluid to pass therethrough from the outside to the inside. The filter element 3 includes: a tubular filter member 31; first and second end members 32 and 33 having openings and respectively provided at first and second ends of the filter member 31; and a trapped object remover 34 provided in the interior of the filter member 31, and movable by the fluid flow while its outer periphery slides in contact with the inner periphery of the filter member 31 to remove trapped objects. A flow rate restricting means for restricting the fluid flow rate through the second end member 33 is provided on the second end side of the filter member 31.

Abstract: A filtration device including: a casing; a first partition wall which partitions the inside of the casing into a first raw fluid chamber and a filtered-fluid chamber; cylindrical filter elements provided inside the filtered-fluid chamber and of which the inside communicates with the first raw fluid chamber to let fluid pass through from inside toward outside to filter the fluid; a second partition wall provided on the other end of the filter elements to form a second raw fluid chamber; a wash pipe connected to an end of the filter element to let fluid flow from the raw fluid chamber in the axial direction to wash the filter elements; and a wash fluid drain pipe which discharges trapped substances, wherein the other end of the filter element connected to the wash pipe is always open to the raw fluid chamber.

Abstract: A filtration device including: a casing 1 having a fluid inlet 6, a fluid outlet 7, a raw fluid chamber 8, and a filtered-fluid chamber 9; a box-shaped or tube-shaped filter element 3 (3a, 3b) having a filter medium 31 removably installed inside the casing 1, allowing the fluid to pass through from inside to outside to filter the fluid, and having a backwashing mechanism inside thereof; and a backwash fluid discharge pipe 4 which discharges backwash fluid to the outside, wherein the backwashing mechanism has a fixed pipe 33 fixed to the inside of the filter element, a movable pipe 34 movably fitted to the outside of the fixed pipe, and a backwash head 35 attached to the movable pipe to backwash the filter medium, wherein the fixed pipe and the movable pipe movably guide the backwash head and form a discharge passage for backwash fluid.

Abstract: A porous metal body is manufactured by which a flow rate of a fluid flowing in an axial direction and a radial direction of the porous metal body can be equalized in the circumferential direction of the porous metal body, and a strength of the porous metal body can be increased. The manufacturing can include at least a step of preparing an intermediary body made of a tubular wire mesh, a star-shaped polygonal body forming step of forming a star-shaped polygonal body by alternately forming, in a circumferential direction of the intermediary body, a plurality of protrusions protruding radially outwards and a plurality of recesses receding radially inwards, and a molding step of inserting the star-shaped polygonal body into a mold that restricts an inner peripheral side and an outer peripheral side of the star-shaped polygonal body and compressing the star-shaped polygonal body from one side in an axial direction of the star-shaped polygonal body.

Abstract: A device is provided that provides an unbiased filtration effect and an effect of removing captured substances through backwashing by causing a fluid to uniformly pass through a filter element over the entire length in an axial direction at the time of backwashing so as to efficiently rotate a captured-substance removal tool in a filtration unit 1 which includes the captured-substance removal tool 20 axially supported inside the tubular filter element 2 to be rotatable.

Abstract: Embodiments of the present invention provide a hollow cylindrical filter for removing efficiently foreign substances from fluids. This is performed by forming complicated passages including an axial direction and a radial direction in the filter. The hollow cylindrical filter is formed by winding a metal wire rod in a spiral and multilayered manner. The metal wire rod includes a recess formed throughout the entire length in a longitudinal direction, or recesses repeated along said longitudinal direction. Some wire rod layers extend in an axial direction of the hollow cylindrical filter while the adjacent wire rod layers extend in an intersecting direction, thereby forming a plurality of communication paths for communicating between the overlapping wire rod layers. Additionally, a space is formed between the recess of one wire rod layer and another adjacent wire rod layer, allowing the plurality of communication paths to communicate with each other.

Abstract: A filter apparatus including: a casing including, in a sealed space provided therein, a fluid inflow chamber, a filtration chamber and a drain chamber; a filter element provided inside the filtration chamber to let a fluid pass therethrough from inside to outside to perform filtration; a backwash slide member movably provided inside the filter element and removing trapped matter adhering to an inner circumferential surface of the filter element by an inward flow generated by a difference in pressure inside and outside the filter element at the time of backwashing; a backwash pipe that lets the inward flow flow toward the drain chamber; an actuation cylinder that lets the fluid from the backwash pipe flow toward the drain chamber; and a fluid flowing unit allowing a fluid to flow, enabling a piston member to move inside the actuation cylinder.

Abstract: The filtering apparatus includes: a casing having an inlet for a fluid from the outside and an outlet for the fluid having filtered therein; filter elements having opposite-end openings, provided in the casing, and each filtering the fluid by allowing the fluid to flow therethrough in inside-to-outside directions; backwashing pipes sequentially connected to the opposite-end openings at different timings between the opposite-end openings of each filter element so as to backwash the filter element by allowing the fluid to flow therethrough in outside-in directions; removers each axially moved in the corresponding filter element by the filtration or backwashing flow, while sliding in contact with the inner periphery of the filter element so as to remove trapped objects; and a backwashing fluid drain pipe coupled to the discharge side of the backwashing pipes and allowing the trapped objects removed by each remover to be discharged to the outside.

Abstract: A method of manufacturing a filter for a gas generator, by which a filter having a good shape retaining property can be obtained, is provided. A method of manufacturing a filter for a gas generator in which a tubular material is formed by knitting copper-plated iron wires, molten plated copper is adhered to an intersecting portion of the iron wire to fix the intersecting portion, wherein the method comprises a molding step for producing a tubular material by knitting the copper-plated iron wires, and a heat processing step in which the above tubular material is kept at a temperature not less than a melting point of copper but less than the temperature of sintering of the iron, and is then cooled.