Patents for F16J 3 - Diaphragms; Bellows; Bellows pistons (2,957)
01/1991
01/31/1991DE3925076A1 Membrane for vehicle brake cylinders - has elastomer supports in area of mechanical strain to avoid excessive wear
01/29/1991US4988113 Sealed protective boot for movable shafts
01/16/1991CN1048584A Fluid cell arrangement for compressed air motors
01/09/1991EP0406478A1 Power cell arrangement for pressurized-air motors
01/05/1991CA2018077A1 Fluid cell arrangement for compressed air motors
12/1990
12/26/1990CN2068171U Integral sylphon bellows
12/19/1990EP0403163A1 Protective gaiters for joints
12/11/1990US4976193 Bellows with a minimized compression size
12/05/1990EP0400424A1 Biaxially corrugated flexible sheet material
11/1990
11/27/1990CA1276924C Device for anchoring a hose system to a rigid shoulder by means of a fragmented reinforcement
11/14/1990EP0396755A1 Coned disk spring
11/06/1990US4967609 Flexible boot
10/1990
10/31/1990EP0395278A1 Mechanical face seals
10/25/1990DE3913264A1 Vehicle brake booster system - has flexible seal consisting of double roller membrane
10/24/1990CA2015030A1 Mechanical face seals
10/10/1990EP0391320A1 Accumulator
10/09/1990US4961480 Pin guiding and/or damping sleeve for floating-caliper spot-type disc brakes
10/02/1990US4960038 Diaphragm device
09/1990
09/27/1990DE4007862A1 Bellows material - is an uncut double pile weave
09/27/1990DE3909444A1 Device for dust sealing
09/18/1990US4957469 Convoluted boot seal with anti-abrasion side wall ribs
09/04/1990US4954194 Method for making an airspring and sleeve
08/1990
08/29/1990EP0300174B1 Flexible tube with parallel, annular corrugations and axial support
08/28/1990US4951554 Low stress diaphragm
08/21/1990US4950499 Impacting, coating, atomization, sputtering, vaporizing, sealing
08/21/1990CA1272921A1 Parenteral solution diaphragm pump
08/07/1990US4946303 For sealing a universal joint
08/07/1990CA1272385A1 Bellows for motor vehicle
08/01/1990CN2059950U Metallic corrugated pipe
07/1990
07/25/1990EP0378552A1 Spring for compression and tension, mainly in axial direction
07/25/1990CN2059698U Metal corrugated sheet type expander
07/10/1990US4940399 Piston cap and boot seal for a medication infusion system
07/04/1990EP0375873A2 Interval fastening of bellows
07/03/1990US4939321 Pressure switch with laminated diaphragm
05/1990
05/22/1990US4927678 Protective bellows particularly for a motor vehicle front wheel drive
05/22/1990US4927393 Fixing structure for bellows of marine propulsion device
05/22/1990US4926979 Disk brake of a pin type
05/08/1990US4923432 For use with a universal joint
05/02/1990EP0366505A2 Piston hood
05/01/1990US4921368 Fastening of a sealing bellows to the joint housing of a ball joint
04/1990
04/11/1990CN1041137A Clamping arrangement for diaphragm piston assembly
04/10/1990US4915018 Diaphragm piston assembly
03/1990
03/27/1990US4911206 Supported flexible thin-walled tube structure
03/21/1990EP0359253A2 Constant volume protective boot
02/1990
02/20/1990US4902545 Boot for automobile
02/20/1990CA1266067A1 Boot for plunging mechanical joint
02/07/1990EP0353413A1 Ply bellow
02/01/1990DE3825558A1 Bellows
01/1990
01/30/1990CA1265177A1 Pressure control device and method of making the same
01/10/1990EP0350381A1 Sealing for the space between two transparent, parallel, independent panels
01/04/1990DE3919299A1 Corrugated diaphragm
01/02/1990US4890822 Car suspension system
12/1989
12/27/1989EP0347555A1 Single-acting working cylinder for a brake power adjuster
12/20/1989EP0347061A1 Flexible boot
12/19/1989US4887516 Clamping arrangement for diaphragm piston assembly
12/12/1989US4885983 Self-retaining diaphragm seal
11/1989
11/30/1989WO1989011601A1 Coned disk spring
11/09/1989DE3814695A1 Cup packing with an inserted metallic support ring
11/08/1989EP0340490A2 Bellows
11/07/1989US4878389 Bellows for protecting knuckle joints
11/02/1989EP0339397A2 Protective boot for universal joints
10/1989
10/31/1989US4877258 Fold bellows for rotating vehicle drive joint
10/24/1989US4875692 Conically-shaped corrugated seal
10/04/1989EP0335095A2 Sealing collar
09/1989
09/20/1989EP0333305A2 Parenteral solution pump assembly
09/12/1989US4864918 Thermoplastic diaphragm
08/1989
08/22/1989US4858439 Device for varying a stroke
08/16/1989CN2042913U Omega-expansion joint with bearing ring
08/15/1989US4857253 Method of manufacturing a fluid actuator for brakes and clutches
08/15/1989US4856795 Multiple durometer shield for ball joint
08/15/1989US4856757 Flexible membrane for heavy duty application apparatus
08/09/1989EP0327347A2 Bellows or gaiter seal for a rack and pinion steering mechanism
08/01/1989US4852891 Plastic boots and method of manufacturing the same
07/1989
07/25/1989US4851066 Snap-secured bladder for air-distribution terminal
07/18/1989CA1257579A1 Clamping arrangement for diaphragm-type piston
07/05/1989EP0322421A1 Material handling device
07/05/1989EP0244409B1 Flexible actuator
07/04/1989US4844486 Oil and grease)proof for enclosing joints
06/1989
06/29/1989DE3741897A1 Actuator
06/14/1989EP0319679A2 Fixing of a sealing bellow on a case of a ball-joint
06/07/1989EP0319381A1 Protection bellows, especially for the front wheel drive of an automotive vehicle
06/07/1989EP0319276A1 Piston cap and boot seal for a medication infusion system
06/06/1989US4837068 Metal coating on polymer sheet
05/1989
05/23/1989US4832317 Fluid pressure devices
05/23/1989US4832161 Pin guiding and/or damping sleeve for floating-caliper spot-type disc brakes
05/17/1989EP0316121A2 Diaphragm device
04/1989
04/26/1989EP0312702A2 Conically shaped corrugated seal
04/26/1989EP0122260B1 High pressure bellows capsule and method of making same
04/25/1989US4824338 Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together
04/19/1989EP0312486A2 Air terminal
04/19/1989EP0312184A2 Improved bellows mechanical seal with inactive diaphragms
04/18/1989US4822255 Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements
03/1989
03/21/1989US4813913 Protective boot assembly
03/15/1989EP0306732A2 Air spring having internal sealing band and method of installing same
03/14/1989US4811575 Sound insulated bellows-type air terminal valve
03/08/1989EP0306221A2 Flexible boot for universal joints
03/07/1989US4809589 Corrugated diaphragm for a pressure sensor
03/02/1989DE3727871A1 Sealing sleeve
02/1989
02/23/1989WO1989001577A1 Spring for compression and tension, mainly in axial direction
02/21/1989US4805921 Mechanical shaft joint boot
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