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Patent Searching and Data


Matches 451 - 500 out of 7,054

Document Document Title
WO/2001/021240A1
A supply valve (28) for a pneumatically-operated gas demand apparatus (10) or an intermittent gas delivery device (110) disposed between a source of pressurized respiratory gas (14) and a patient. The valve includes first and second hous...  
WO/2001/018443A1
The invention relates to a device for reducing pressure pulsations caused in a hydraulic system, especially by a pump. Said device comprises a compensation volume (41) with a displaceable wall or membrane (39) that is located in said vol...  
WO/2001/014744A1
The invention relates to a membrane pump (104) comprising a working membrane (1) that delimits a delivery chamber (2), and comprising an additional membrane (3) that is arranged on the side of the working membrane (1) facing away from th...  
WO/2001/011253A1
A flexible boot which utilizes a thermoplastic elastomer resin as its base resin material and comprises a large bore part and a small bore part and, connecting the bore parts, a bellow part, characterized in that the thermoplastic elasto...  
WO/2001/009541A2
The invention relates to a method for tightly fixing a piece of flexible tubing consisting of an elastomer material to a connecting part, especially for fixing air bellows for pneumatic springs to a connecting part by means of a clamping...  
WO/2001/006143A1
The invention concerns a bellows (7) designed to be coupled by a front end region (30) to a first rotary member (8) and by a rear end region (34) to a second rotary member (6). The bellows rear end region (34) is provided, over at least ...  
WO/2001/006142A1
The invention concerns a rotary joint comprising first and second rotary members, a bellows (7) coupled by a front end region to the first rotary member and by a rear end region (33) to the second rotary member (6), and means for maintai...  
WO/2001/006153A1
The invention concerns an annular elastic sealing lining (7) comprising a coil spring in acting as a return spring (11) to press its contact surface (9) against the sealing surface (10) of an element to be sealed, in particular a cylindr...  
WO/2001/000963A1
A fabric reinforced, resilient brake diaphragm (37) for use in a fluid pressure operated braking system (11) is provided. The diaphragm (37) comprises an annular outer flange (39) for engaging the housing of the braking system, a bottom ...  
WO/2000/079155A1
Protective sleeve for power transfer joints, such as connections on cars and other vehicles, with a generally cylindrical main part (13), particularly with an undulated wall, with cylindrical end sections provided for being clamped aroun...  
WO/2000/079154A2
The invention relates to a structural alignment of membranes for the improved functional process during the compensation of compressing or stretching. The membrane is provided with a profile (2) whose apex line (8), in the progression th...  
WO/2000/065254A1
A method of installing a gaiter (10) around a joint defined between joint members of joints of vehicles, such as steering joints and constant velocity joints. The method provides a range of gaiters for use with a range of joints of diffe...  
WO/2000/048238A1
The invention concerns a multilayer structure with controlled internal stresses comprising successively: a first main layer (110a), at least a first stress-adapting layer (130) in contact with the first main layer, at least a second stre...  
WO/2000/028244A1
A protective gaiter (10) fits around a lubricated joint between joint members, the gaiter (10) comprising a generally cylindrical flexible tubular body having first and second end portions (14, 16) each having a respective annular fittin...  
WO/2000/028228A1
The invention concerns a protective sheath consisting of a conical sleeve with bellows (3) made of pliable elastomer comprising, at least at one of its ends incorporated clamping means made of elastomer, moulded in one single operation w...  
WO/2000/020772A1
The invention relates to an arrangement for covering a shaft-type mechanism and/or a joint-type connection of two shafts or a steering gear, comprising a bellows-type element (10). Said bellows-type element (10) has a collar-type essenti...  
WO/2000/020773A1
A bellows-type cover (10) into which a clamping member (40) is adapted to be securely integrated to form a pre-assembled unit; a groove-shaped recess near one end of the bellows-type cover between first (20) and second (22) retaining mea...  
WO/2000/012574A1
A fluorocarbon polymer which includes: repeating units derived from one or more perfluorinated ethers of the formula CF¿2?=CFO-(CF¿2?)¿m?-(O(CF¿2?)¿p?)¿n?-OR¿f??1¿ wherein R¿f??1¿ is a perfluorinated (C¿1?-C¿4?) alkyl group, ...  
WO/2000/008361A1
Split boots, wherein projected parts (16, 76) formed at the divided end parts (14, 74) of boots (1, 61) are connected temporarily and then connected by welding, fusion, or adhesion to recessed parts (17, 77) formed at the other divided e...  
WO/2000/004852A1
The invention relates to a worm-like operating mechanism (1) which can be both pivoted and stretched in all directions. It consists of at least three actuators (2) which each consist of a series of pockets or cushions positioned one behi...  
WO/1999/063203A1
The present invention provides a brake actuator assembly including a housing (30) having a generally radial annular flange portion (41) and a cover (32) having a generally radial annular flange portion generally co-axially aligned with t...  
WO/1999/034122A1
The invention relates to a bellows seal for pivot joints, wherein a first end of the bellows (3) is tightly and rigidly connected to the joint housing (1). The second end of the bellow (3) tightly and annularly surrounds a tappet (2) and...  
WO/1999/025997A1
The invention relates to an impregnation agent for bellows consisting of a thermoplastic or elastomer material for covering a joint space of a joint, said joint space being filled with lubricant, especially a highly flexible rotating joi...  
WO/1999/024729A1
The invention concerns a protective bellow for drive shaft articulated joint, consisting of a tapered bellow whereof the end with the small diameter (2) is expansible and has a saw-toothed section axially extended by folds (8) so as to e...  
WO/1999/014073A1
The invention relates to a bellow (10) for an automobile seat frame which has alternating folding peaks (16, 28, 20) and folding troughs (22). In order to prevent an unwanted sagging of the bellow (10), at least one middle folding peak (...  
WO/1999/000617A1
The invention relates to an elastic sealing element in the form of a bellow. Said sealing element can be used to seal the contact area between at least two components which can move in relation to each other. The inventive device has low...  
WO/1998/055782A1
The invention relates to a diaphragm which has multidirectional compression compensation so that it functions more efficiently. Said diaphragm has a profile (5) which is oriented in neither a radial nor a peripheral direction, especially...  
WO/1998/055781A1
The invention relates to a diaphragm consisting of a rigid, slightly extendible material, comprising an outer edge which can be braced and a centre which can be moved in relation to said edge. A profile with a wavy, folded or grooved str...  
WO/1998/053227A1
The invention relates to a protective cover for swiveling parts consisting of a convoluted rubber gaiter (2) with a longitudinal slit (5), the edges of which can be connected via a female and a male connection section. Said gaiter has en...  
WO/1998/038435A1
The invention relates to rolled bellows to seal a pivot joint, comprising a first collar with a larger diameter for fixing onto an outer pivot joint portion, a second collar with a smaller diameter for fixing onto the shaft of the inner ...  
WO/1998/027370A1
Disclosed is a tight plastic part, especially a plastic casing, presenting an aperture for ventilation (11) to enable air exchange between the part inside and its environment (13), as well as a gas permeable membrane (14) covering the ap...  
WO/1997/049543A1
Non-planar thermoplastic article having a flexible portion suitable for use in an aggressive chemical environment, where the flexible portion is an irradiated thermoplastic consisting of polyethylene, ethylene methyl acrylate, ethylene e...  
WO/1997/046618A1
The invention relates to a copolyether ester composition for products that show particularly good aging behaviour when exposed to dynamic deformation at elevated temperatures and in contact with greases. The copolyether ester composition...  
WO/1997/044601A1
An improved seal or boot (26) for inhibiting contaminants from interfering with operation of a mechanism (10) having two flexibly interconnected components which axially extend from opposite ends of the seal (26). The seal is formed as a...  
WO1997018408A3  
WO/1997/026473A1
A protective gaiter fits around a lubricated joint such as a vehicle constant velocity joint. The gaiter is in the form of a generally conical rubber tube (10) having stepped configurations at its wider end so that it can be cut down to ...  
WO/1997/018408A2
A sandwich bellows construction including three ply members has been provided. In a preferred embodiment of the invention, the outer plies (22, 26) are metal, while the inner ply (30) is an elastomer. In one preferred embodiment of the i...  
WO/1997/006349A1
An improved spring brake actuator includes a dome (42) extending into the service chamber (36) from the center housing (32). The spring chamber push rod (22) is formed with a plate (40) having a cross section corresponding to the dome (4...  
WO/1996/036823A1
The invention relates to a hydraulic clamping device for a traction mechanism having a spring-loaded piston (8) movable in a cylinder (6) in which an exchange of volume between a high-pressure chamber (9) in the cylinder (6) and a partia...  
WO/1996/035895A1
A protective bellows (4), such as for protecting the transmission of a motor vehicle, comprises bellows turns (5) extending between large and small diameter fixing collars (6, 8). The large diameter fixing collar (6) is secured around th...  
WO/1996/027095A1
A gas valve comprising a valve body which is capable of butting against a valve seat so as to close the gas valve. The valve body comprises a membrane which is fixed in the valve housing at its outside edge, in such a manner that a contr...  
WO/1996/027096A1
A housing for a gas valve or the like, said housing comprising a first housing portion, which is connected to a second housing portion with the interposition of a flexible sealing element, whereby each housing portion is provided with a ...  
WO/1996/023143A1
A flexible protective sleeve for rotary joints and hinges, consisting of a flexible tapering sleeve with a bellows in which the region (A) for fastening the larger diameter end comprises at least one ring-shaped crease (8) with sloping s...  
WO/1996/015395A1
A protective bellows (24) covers over the end of, and protects the mechanism within, the casing (6) of a universal or articulated joint (5). The universal joint (5) is of normal construction, itscasing (6) being drivingly connected to an...  
WO/1995/009998A1
A boot assembly (30) for mounting a pipe (20) in an opening (28) of a sump wall (24). The boot assembly (30) having a flexible boot member having a sleeve section (36) embracing the pipe (20) mounted in the sump wall (24), an annular rin...  
WO/1995/006205A1
This invention provides a conductive strand embedded in a diaphragm in which the strand undergoes changes in electrical properties upon being subjected to stress. A change in electrical conductivity is recorded by an electrical monitorin...  
WO/1995/000381A1
The elastic membrane described is designed as a flat, three-dimensional object. It has prominences and recesses. This makes it possible for the membrane to flex substantially free of stress, in particularly free of tensile stress, in all...  
WO/1994/029594A1
A flexible pump diaphragm (1) for pumping fluids is described in which the diaphragm (1) has a number of ribs (13) or troughs (13) located radially across its circumferential flexure portion.  
WO/1994/029593A1
A flexible pump diaphragm (1) for pumping fluids is described in which the diaphragm (1) has a number of ribs (13) or throughs (13) located radially across its circumferential flexure portion.  
WO/1994/025773A1
A protecting cap (6) for a disk brake cylinder (1) has a ring-shaped bellows (7), a fastening bead (8) engaged in a ring-shaped groove (9) of the piston (3) of the brake cylinder (1) at a first end of the bellows (7 ) and a stiffening in...  

Matches 451 - 500 out of 7,054