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JP2024031436A |
An object of the present invention is to prevent scratches caused by being caught between a shaft and an outer joint member in a bellows-less boot without increasing cost or weight. [Solution] A boot 20 includes a large diameter cylindri...
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JP2024508645A |
It concerns a protective cover of variable length with a bellows element 12. In this protective cover, a certain number of folds are formed as intermediate folds 18, two adjacent layers 30, 32 of the bellows element are connected to each...
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JP2024505875A |
This is a filter plate assembly (1) for a filter press that includes a filter frame (2) and a filter plate (3) supported on the filter frame. A diaphragm (4) is provided between the filter frame (2) and the filter plate (3), and the diap...
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JP7425800B2 |
An edge-welded bellows, including a plurality of diaphragms and a guide part for guiding on the outer surface of a rod extending through an inner through-opening of the bellows or for guiding on the inner surface of a tube surrounding th...
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JP2024011233A |
[Problem] Using cross-linked PTFE, which has excellent wear resistance and can reduce the amount of dust generated, the organic solvent flowing through the body on the flow path side does not penetrate between the outer circumference of ...
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JP7414433B2 |
To rotate a ball portion of a ball stud rotatably contained in a housing with a necessary torque, by enabling stable rotating.A ball joint J1 is equipped with a ball stud 10 made by integrally joining a metallic ball portion 10b to one p...
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JP7409694B2 |
Provided is a technology capable of suppressing the retention of particles in a diaphragm. A diaphragm (30) includes a metal thin plate (31), and a thin film layer (32) formed on the entirety of a first surface (liquid contact surface (3...
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JP2023183778A |
To provide a boot for a constant velocity universal joint having a function for preventing fall of balls at low costs without increasing the number of components in a time from assembling an assembly of a constant velocity universal join...
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JP7404358B2 |
To provide a mechanical seal in which a sliding surface of a seal ring is not deformed and a retainer is unlikely to be damaged. A mechanical seal 1 includes a pair of seal rings 10 and 20 that rotate relative to each other; and a retain...
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JP7401113B2 |
A telescopic bladder (1) with a noise reduction structure is provided. The telescopic bladder has an opening (11). The telescopic bladder includes a top plate (12) and a plurality of connected annular bodies (13) extending from a periphe...
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JP7400482B2 |
To suppress a contact of knuckle with a dust cover of a ball joint.A dust cover 12 is used for a ball joint comprising: a ball stud having an axis portion with a flange portion formed thereon; and a socket supporting the ball stud. The d...
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JP7399232B2 |
A diaphragm valve 100 includes a valve body 10, a diaphragm 20, a bonnet 40, and a compressor 60. The diaphragm 20 includes a first portion 21 and a second portion 22 surrounding the first portion 21, the first portion 21 having a first ...
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JP2023170492A |
To provide a fluid controller which can prevent adhesion of components of control fluid to a liquid contact surface of a diaphragm member, and a manufacturing method thereof.A fluid controller comprises: an input flow passage 121a into w...
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JP7387762B2 |
A rotary kiln sealing system and rotary kiln equipment, relating to the technical field of sealing. The rotary kiln sealing system comprises a first housing (3212) and a second housing (3222). The second housing (3222) is annularly dispo...
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JP7379497B2 |
This propeller shaft (PS) has: a boot member (7) having one end thereof fixed to a sleeve shaft (2) and the other end thereof fixed to a stub shaft (3); and a boot band (8) that fixes the boot member (7) to the sleeve shaft (2) and the s...
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JP7375612B2 |
To provide a steering joint cover structure for a vehicle which can be highly precisely mounted on the vehicle and has a simple configuration.The steering joint cover structure 100 for a vehicle comprises: a steering gear box 110 arrange...
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JP2023161804A |
To prevent a situation in which grease within a joint is leaked to the outside of the joint by making a boot of the constant speed universal joint repeatedly bent and stretched.A seal structure 30 is constituted to be capable of sealing ...
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JP2023160492A |
To provide a dust cover that is less likely to generate a gap between a seal part and a steering shaft.A dust cover includes: a cylindrical bushing fitted to an outer peripheral surface of a steering shaft and extending along a circumfer...
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JP7366622B2 |
To provide a dust cover capable of improving sealability of a connection part between connected members regardless of whether or not operations of both members are conducted.A dust cover 1 covers a connection part 6 between a ball stud 2...
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JP7358960B2 |
A brake caliper apparatus includes a caliper portion configured to be supported by a vehicle, a piston seal disposed in an annular cavity of the caliper portion, a piston disposed in a cylindrical recess in said caliper portion and havin...
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JP7359392B2 |
To provide a diaphragm and a diaphragm valve, in which when the diaphragm deformed with upward and downward movement of an actuator returns into an original shape, the diaphragm can return into the original shape without receiving extern...
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JP2023140998A |
To provide an accumulator using an S-shaped bellows, which can reduce its weight while suppressing deterioration in durability.An accumulator according to the present invention comprises an exterior body comprising a bottom, a shell, and...
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JP2023139889A |
To provide a diaphragm structure capable of suppressing rotation of a diaphragm with axial rotation of a shaft body by a simple constitution in comparison with a diaphragm structure in which the rotation of the diaphragm with axial rotat...
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JP2023139888A |
To provide a diaphragm structure in which abrasion powder hardly generates on a peripheral face of a shaft body, in comparison with a constitution in which the shaft body is not rotated in a circumferential direction by fitting a pin ove...
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JP7354820B2 |
To increase an allowance amount of the displacement of a shaft member in a direction intersecting with a rotating shaft according to an external force while rotatably pivoting the shaft member around the rotating shaft by blocking the in...
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JP2023136865A |
To provide an assembling method of a drive shaft which can suppress the impairment of a bellows shape caused by the expansion of a boot in a vacuum environment.An assembling method of a drive shaft of the present invention has: a step fo...
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JP7351475B2 |
A shift device in which a press-fit column of a control lever is press-fitted into and passed through a press-fit hole in a boot such that the boot forms a seal between the upper side and the lower side of the press-fit hole. A press-fit...
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JP7351192B2 |
To provide a dust cover which can maintain dust resistance in a bush without providing a seal lip.A dust cover includes: a bush attached to an outer peripheral surface of a steering shaft which penetrates through a cylindrical member of ...
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JP7349127B2 |
To provide a connector with a pulsation absorption function in which the effect of pulsation absorption is less likely to change, and which comprises a pulsation absorber with an easy-to-manufacture structure.A connector 101 (connector w...
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JP7342631B2 |
Provided is an outer tube including a solid-shaped male-shaft portion and a bottomed cylindrical female-tube portion integrally formed with the male shaft portion. A hole cover is externally fitted to the female-tube portion and closes a...
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JP7335150B2 |
To provide a constant velocity universal joint which unfailingly prevents pressure rise at its interior during assembly, and to provide an assembly method of the constant velocity universal joint.A constant velocity universal joint 7 inc...
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JP7333904B2 |
To suppress positional deviation of a fastening part in an axial direction of a rubber boot.A rubber boot 61 comprises a cylinder mounting part, a bellows 63, a fastening part 64, and a flange part 65. The cylinder mounting part and the ...
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JP2023118126A |
To prevent a situation in which grease in a constant velocity universal joint is leaked to the outside of the joint by a boot of the joint being bent and extended repeatedly.A seal structure 30 of a constant velocity universal joint 10 i...
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JP2023114252A |
To provide a boot that can be easily attached to an attaching portion of an attaching object.A boot 1 is formed in a cylindrical shape capable of expanding/contracting in an axis X direction, and can be attached to an attaching portion O...
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JP7324018B2 |
To provide a weld structure which can improve weld durability while preventing a weld crack when a valve body in a valve device is welded with a diaphragm.A diaphragm valve 10 is provided with: a valve body 13 which is provided in a valv...
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JP7322509B2 |
To provide a fitting device and fitting method that are able to prevent a bellows from being deformed beyond an elastic limit during fitting.While keeping an arm 124 rotated such that the center axis L1 of a first coupling end 53 is incl...
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JP2023532655A |
The invention relates to protective bellows for mechanical joints. A bellows (1) for covering a mechanical joint (A), comprising a cylindrical and corrugated side wall extending about a longitudinal axis (Z), the side wall comprising:- a...
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JP7314609B2 |
To provide a dust cover for allowing a seal lip to more easily contact the outer peripheral face of a steering shaft when fixing the seal lip via a support member to a body part.The dust cover includes a bush and a bellows, the bush incl...
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JP7314611B2 |
To provide a dust over which enables further reduction of manufacturing work hours.A dust cover includes: a bush attached to an outer peripheral surface of a steering shaft penetrating through a dash panel; an annular bellows disposed be...
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JP2023530958A |
A first space (20) to which hydraulic pressure is applied, a second space (24) surrounded by a shock absorber housing (14) and having a compressible medium therein, and It relates to a vehicle brake system/pressure damper (10) comprising...
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JP7308840B2 |
A rotating turbomachine provided with a fluid sealing device, comprising an extensible/dilatable bellows piston to make a sealing surface abut against a rotor disc, or against the head of the shaft, therefore confining the working fluid ...
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JP2023093103A |
To provide a bellows attachment structure which can reduce stress applied on a bellows by a simple constitution.In a bellows attachment structure of the present invention in which a cylindrical bellows is attached to a fixed member, the ...
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JP2023090629A |
To provide a diaphragm which is applied to a chemical control device and enables reduction of minute air bubbles contained in a chemical.A diaphragm (30) is applied to a chemical control device, which controls circulation of a chemical u...
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JP7300187B2 |
A diaphragm valve includes a valve body that defines a flow path through which fluid flows and an opening that opens to the outside in a middle of flow path; a flexible partition member that covers the opening and separates the flow path...
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JP7294042B2 |
To provide a structure to hold a pressure in an internal space constant and suppress the entry of foreign matters into the internal space.A valve device 7 includes a pair of elastic members 34a, 34b, the pair of elastic members 34a, 34b ...
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JP7294257B2 |
A cylinder boot (50, 70, 80) for an axle of an industrial vehicle includes a cylinder boot body (51), a rod-side fixing portion (52), a cylinder-side fixing portion (53), and a detection portion (54, 81). The cylinder boot (50, 70, 80) c...
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JP2023078952A |
To provide a protection cover for an axle spring which can cover an axle spring for a railway vehicle in a compact manner and makes deformation, damage, and falling etc. less likely to be caused by wind pressure.A protection cover 1 is a...
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JP2023077185A |
To provide a dust cover for a ball joint which is improved in contact of a large-diameter side lip part with a cover attachment part, and a ball joint having the same.A dust cover 14 comprises a cylindrical main body part 22 and a large-...
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JP7281324B2 |
To provide a joint boot capable of improving sealability between a thick portion and a case.In a joint boot made of a thermoplastic resin and including a large-diameter cylindrical portion to which a cylindrical case is inserted and whic...
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JP7281323B2 |
To provide a method for manufacturing a joint boot which can suppress lowering of dimensional accuracy of a second cylindrical part.A method for manufacturing a joint boot includes: an injection step of injecting a thermoplastic resin in...
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