Having particular associated mounting or retaining feature

A captive spark plug gasket in which the means for maintaining the captive relation is in the form of an inwardly directed flange, the free edge of which is provided with a plurality of staked undulations to provide the equivalent of metal which is appreciably thicker than the original thickness of the...     

A seal for preventing passage of fluid through an opening in an electrolytic cell wall through which a conductor for carrying electricity to or from a cell electrode passes includes as elements thereof a portion of the cell wall opening which is tapered so as to be larger at the outer part of the wall...     

The disclosure relates to a rack and pinion assembly in which flexible bellows are provided at both ends of the assembly between the ends of the rack housing and the ends of the rack. The bore at each end of the housing is enlarged and the bellows at each end of the assembly is so connected to the end...     

A seal for maintaining closure between a hollow cylindrical member and an end member closing the cylindrical member, the seal accommodating radial movement of the cylindrical member and movement of the end member in the direction at right angles to such radial movement.

A laser interferometer is disclosed in which the measuring path is enclosed in an elongated hollow body which has a flexible slot along one side through which extends the entrainment means for the movable reflector enclosed within the hollow body. This hollow body is maintained under a vacuum, with the...     

A vibration isolation and sealing gasket for a cover mountable on a vibratable engine includes a pair of identical, oblong bead-shaped sealing portions, connected by a rectangular intermediate flange portion, sealingly positioned beneath the outer periphery of the cover. The intermediate portion has...     

A pneumatic gasket adapted to be used in an oven door construction in which the door is adapted to be sealed to an oven surface when the door is closed. The gasket is an elongate extensile elastomeric member with first and second sections. The second section is a hollow member which is sealed at its...     

A protective gasket for the chime of a container. The gasket includes an annular flexible strip adapted to conform to surfaces of the chime. Surfaces on the strip cooperate with the container surfaces to hold the strip in position on the chime. Projecting ribs on the strip are located to engage with...     

A valve core having a barrel particularly adapted for use with a fluorocarbon gasket in which the area of the barrel under the gasket is defined by three annular surfaces of successively smaller diameter connected by beveled transition areas. The stepped configuration of the barrel in combination with...     

Disclosed is an inverted cup-shaped cover of deformable material to be fitted over an open socket housing end of a pivotal ball joint assembly. The cover has a pair of opposite end openings, one of which is considerably smaller in diameter than the other and receives therethrough in sealed relationship...     

In a boot assembly for forming a dust seal between an axially movable guided member, such as a piston, and a guide member, such as a vehicle brake actuator housing, a seal which seals with the guide member is carried by a rigid carrier member and one part of the seal is movable relative to the carrier...     

A composite seal ring intended to be compressed between two surfaces which are to be applied against each other in a sealed manner, wherein the composite seal ring comprises firstly a metal seal ring comprising a core constituted by a spiral spring surrounded by a metal sheath which provides two peripheral...     

There is provided a joint between a pressure vessel lid and a pressure vessel. The vessel is intended for very high pressures and of the type comprising a thinwalled container which is supported by an external rigid support structure, such that the container provides the vessel tightness and the structure...     

A seal for an enclosure of electrical equipment includes a metal frame which is clamped between sealing surfaces on the enclosure base and the enclosure cover. A ring of elastomeric material is molded around the outer edge of this frame and raised beads thereon are compressed by the sealing surfaces...     

A test plug for sealing an internal passageway of a vessel preparatory to pressure testing the vessel with a fluid. The test plug is particularly designed for use with vessels that are installed below ground level, and is of the type that can be actuated from ground level to provide the desired sealing...     

A sealing washer for a socket head cap screw and the like characterized in that an elastomeric sealing ring within a rigid annular retainer has integral portions extending into radial channels in one side of the retainer. The sealing washer herein is further characterized in that the rigid annular retainer...     

A conventional carburetor has a manually compressible bulb associated therewith which displaces air into a priming fuel well thereby forcing a priming charge of fuel into the carburetor throat. The bulb, which is formed of rubber-like material, has a central dome portion joined to an annular flange....     

A sealing boot of elastic material for use in a cylinder and piston assembly of an automotive vehicle brake system is disclosed. The boot seats upon the piston and has a radially extending bellows terminating at an annular ring adopted for retention in an annular groove circumscribing the cylinder opening....     

Apparatus for providing thermal and pressure sealing in an elongated space of varying width between adjacent surfaces of first and second members mounted for at least limited lateral movement therebetween. The apparatus may comprise: a first elongated support member attached to one of the adjacent surfaces;...     

A sealing arrangement for providing a fluid tight seal between the rim of a skirt or like member and a second member is in the form of first and second resilient concentric rings for mounting on the rim. The first ring is a sealing ring which has an annular face intended for sealing engagement with the...     

A fluid-tight closure apparatus for providing a fluid-tight seal between the inner peripheral surface of the cylindrical bore in an enclosure receiving therein a high-pressure fluid and the outer peripheral surface of an end closure wall held in the cylindrical bore. The apparatus has a pressurizing...     

An improved joint for removably attaching first and second members together. The first member has a circular opening and a circular wall surrounding the opening and projecting axially outwardly from the opening. A double curved second member with a circular periphery has an annular flange with an inner...     

A vacuum booster device having a diaphragm the inner peripheral portion of which is rigidly clamped between the outer peripheral portion of a valve body and the central portion of a piston plate, wherein a rigid annular ring is attached to the diaphragm for preventing the radial outward movement of the...     

A seal is provided between an outlet mounting flange and a hopper mounting flange. The seal extends in-board of the inner hopper wall and includes a projection extending upwardly which engages the hopper wall. The seal further includes a tapered portion which extends inwardly and downwardly from the...     

A quick release seal retainer (10,11) adapted for connecting a seal segment (13) to a base (12) has a clamp member (31) positioned within a slot (29) formed between a projection (28) of a mounting block (26) and the base (12). A pair of studs (38) slidably extending through a pair of bores (37) in the...     

A sealing boot to be mounted on a constant velocity joint of a vehicle having a case with concave portions. The sealing boot comprises serrations on the inner peripheral surface to fit edges of the concave portions. The sealing boot is fastened by a fastening means to establish satisfactory sealing.

A sealing device that is self-centering on a cylindrical part about which it is to be disposed is disclosed. The device is comprised of a metal plate and an elastomeric sealing member that is bonded to an aperture provided in the plate. The sealing member has an annular sealing portion with a radially...     

A sealing device for use with a bleed screw of an hydraulic system comprises a one-piece moulding of rubber or plastics material. The sealing device comprises a sealing ring of frusto-conical outline, an end cap, and a flexible strip interconnecting the ring and the cap. In its position of use the sealing...     

A sealing element for a dividing gap (4) between two parts (2,3) which at least partly encloses a sealed space (1), comprises an elastic gasket element (5) fitted in the gap, and a connecting device (6) for connecting the two parts together. To achieve a reliable seal even where there are long gaps as...     

A dust boot for a universal joint covering two joint elements having largely curved corner portions in the outer peripheral surface thereof near their joint portion, comprises a resilient annular covering portion for covering the joint portion of the universal joint and two annular end portions which...     

An improved gasket for an air conditioner having at least two separate air conditioning units. The gasket is interposed between the sealing surfaces of the units and comprises a first section of a non-porous material and a second section of a porous foam material. The first section is oriented transverse...     

A gasket structure for application to a hopper car door edge comprises an elongated flexible gasket of compressible material having a relatively thick body with a continuous tangentially projecting rib and a plurality of narrow elongated spring clips extending transversely of the gasket and each having...     

An impacting apparatus (10) for fracturing material includes a housing (14) and a fracturing shank (12) which is mounted adjacent the housing (14) so as to reciprocate about a pivot axis (24). The fracturing shank (12) has an impact receiving portion (28) and a sealing portion (26). The sealing portion...     

A sealing, trimming or finishing strip has a metal carrier advantageously made up of U-shaped side-by-side metal elements interconnected by integral connecting links. The carrier is completely embedded in flexible material, such as rubber or plastics material, which defines inner gripping and sealing...     

A pneumatic servo booster includes a shell housing consisting of front and rear shells, a valve body incorporating therein a valve mechanism and sealingly extending through and being slidably supported by the rear shell, and a reinforcing plate provided on the inner surface of the rear shell. The inner...     

A seat ring for a rotary valve assembly comprising a radially inner seal section for sealing engagement with a valve element, a radially outer retaining section for mounting the seat ring in a valve body, and an intermediate spacer section interconnecting the sealing and retaining sections. The spacer...     

A dual operating mode seal assembly (10) wherein a frictional force maintains a seal ring (50) in a static sealing mode during either movements of a member (16) being sealed to eliminate frictional and abrasive wear to the seal ring (50) and member (16). A load ring (52) provides a shear force upon deflection...     

A low heat transfer fitting to close an opening in a fire-rated barrier includes a cover plate, a pressure plate, a radially expandible annular gripping ring between the cover plate and the pressure plate, and adjustable fasteners between the two plates to urge them toward each other to expand the ring....     

A sealing device for a joint, such as a tripod joint including flanges to be joined to each other, has a sealing member having an endless shape and provided with a plurality of projections and an end cover having its periphery held between the flanges and adapted to hold the sealing member in association...     

A seal structure for an air cushion vessel includes an inflatable bag secured to the hull and a transversely stiffened lobe portion maintained therebeneath. The stiffened lobe portion consists of a membrane with an array of spaced, transverse stiffener members connected thereto. The colinear stiffener...     

A heat and vibration resistant seal construction for a valve assembly having a core member constructed of a dense, resilient material which retains its spring-like properties at elevated service temperatures. The core is surrounded by an intermediate wrap member of braided, ceramic fiber forming a co-extensive...     

A sealing boot of elastomeric material for hermetically enclosing an annular opening between a support member and a movable member axially reciprocable on the support member, the sealing boot including a tubular bellows which is integrally formed at one end thereof with a first cylindrical sealing sleeve...     

A sealing arrangement between a pair of aligned openings each of which is defined by a frame member and that includes a boot having a pair of opposed arm members adapted to be located in the openings with each arm member being sealingly maintained therein by a molding member which serves to press the...     

In a sterilizing oven filtered air is circulated by a circulator situated within the oven and driven by an electric motor through a shaft, said motor being situated outside the oven. Since the air within the sterilizing oven must have a very low content of particles compared to common atmospheric air,...     

A simulated structural gasket for supporting a panel, such as a glass window panel, within an opening defined by a window frame. The simulated gasket includes two elongated members which may be extruded aluminum, extending along and engaging opposite sides of a building frame flange which surrounds the...     

A novel ridge ventilation apparatus for a roof provided with ridge tiles at a ridge, comprises at least one air duct provided above a rafter, and at least one ventilator provided in lieu of several ridge tiles and is shaped substantially identical to that of the ridge tiles, and ends of the top frame...     

A coupling between two shafts surrounded by a coupling guard seal assembly to prevent the leakage of fluid from out of the coupling. The coupling guard includes two coaxial closed overlapping surfaces otherwise described as inner and outer cylinders. The inner surface is formed with a groove which contains...     

A rupturable pressure relief assembly of small unitary construction is provided comprised of a hollow housing which includes an annular supporting shoulder within the interior thereof, a circular rupture disk positioned within the housing on the annular supporting shoulder and an annular supporting member...     

A gasket retention for heat exchanger plates includes a projection on the gasket which passes through an aperture in the plate with an interference fit. According to the present invention the apertures (2) are made so as to provide two alternative positions for the gasket projections (3), namely a tight...     

A sealing and trimming strip arrangement in two parts which are locked together by means of a key carried by one part which fits into a channel defined in the other part. The latter part is secured to a flanged joint running around a vehicle door opening by means of double-sided adhesive strip and carries...     

A bead seal ring for use in the retreading of radial tires by use of a bead sealing ring unit that provides positive mechanical pressure for sealing the curing envelope between the bead sealing ring unit and the bead area of the tire by a radial force. In its relaxed or initial condition, the bead sealing...     

A plurality of concentric sealing rings on the face of a static sealing surface provides a positive seal when used with Teflon film or like materials that have a tendency to cold flow under pressure into recesses created by the concentric sealing rings.

This invention relates to a vehicle window structure. The vehicle window structure includes a window glass, a body member, a window molding, a retainer for the window molding and a seal member between the window glass and body member. The window molding is in contact with the window glass and the body...     

A diaphragm-clamping arrangement, in which a spring washer having a frusto-conical shape is employed between the outer periphery of the diaphragm and one of the plate members between which the diaphragm is secured. In the free state of the spring washer, the spring washer height is greater than the space...     

A centrifugal pump especially adaptable for pumping radioactive water at elevated temperatures and pressures and having a relatively flexible seal between its case and its cover plate. The seal comprises a plurality of nested, metal, half-toroidal and relatively thin members welded to spaced metal rings...     

A sealing washer comprising an apertured metal backing member, a sealing member of resilient material abutting one face of the backing member forming a laminate therewith, and a shoulder of resilient material abutting the opposite face of the backing member and integral with the sealing member by a connecting...     

A puncturable seal assembly is formed with a tubular shell adapted to be retained in an aperture in a housing of a vehicle engine. A generally radially inwardly extending flange is formed at one end of the tubular shell to define an opening which is closed by a sealing membrane. The sealing membrane...     

A gate valve having a metal-to-metal seal between the gate (26) and the seat carrier (20) and a metal-to-metal seal between the seat carrier (20) and the valve body (10) with the seat carrier and valve body having complementary spaced frustoconical surfaces (18,22).

A two-stage elastomeric refrigerant seal has a seal body with a primary seal section adapted for low compression and a secondary seal section adapted for high compression. The seal body is secured to a retainer in an arrangement such that the secondary seal provides pressure assisted sealing on the seal...     

A protective boot assembly 10 includes a flexible body 12 having at least one corrugation 16 positioned traversely to a longitudinal axis 14 of the body, whereby a coupling member for a pair of angularly disposed rotatable shafts encased therein may be continuously protected from foreign elements. The...     

An axially displaceable armored sealing apparatus for push button switches and the like. The apparatus includes a sealed nut unit connected to an anvil for actuating the plunger of a switch by means of a flexible elastomeric member forming a cavity for the plunger of the switch. The anvil is connected...     

A simple, yet fluid tight seal for a cryogenic enclosure. The seal between two portions of the enclosure becomes tighter as the temperature is lowered because both portions contract against a third member which does not contract with temperature to the same degree. Further, this contraction is elastic...     

In a high temperature seal between a closure member and a rim with interengaging hard metal rings, the ring on the rim rests on a conical shoulder and the underside of the ring is complimentary shaped, so that as the shoulder expands circumferentially the ring slides down the conical surface and remains...     

A bellows for protecting knuckle joints structured so that a narrower end can be connected to a shaft and a wider end can be connected to a universal joint. Additionally, intermediate sections have graduated diameters such that connections can be made with various size shafts and various size universal...     

A valve seal having a profiled ring of a rubber elastic material, and an externally threaded supporting ring which is disposed about and vulcanized to the ring. The external portion of the supporting ring projects outwardly beyond the external surface of the profiled ring.

A diverter valve includes a valve body formed with a pair of openings. Inlet ends of a pair of discharge tubes are respectively carried by and extend through these openings. An elongated elastomeric strp then may be wound about each tube extended end to form a gasket. This wound strip is held in place...     

A pressure fluid reservoir is made from two housing components, that are brought together with an outer and inner thread arrangement with end stops formed by adjacent ends of the two housing components. The first housing component of the pressure fluid reservoir includes two segments and the second housing...     

A liquid-filled rubber cartridge spring is composed of an outer tube and a window tube which are mounted statically at rest one inside the other and together define a gap which is sealed at both ends by rings of elastic material adhesively bonded to the window tube and/or to the outer tube. The rings...     

A plug for sealing the internally threaded circular cylindrical stud holes in the flange of a nuclear reactor vessel during refueling comprises a circular cylindrical body of dense wear resistant polymer, a circular reaction plate axially spaced from one end face of the plug, an annular grommet of elastomer...     

A sail boat mast deck sealing assembly to provide a watertight seal between the mast and the boat deck is described. The assembly comprises a rigid flange member or collar formed in the same shape as the mast which is usually non-circular. The flange member has a triangular groove between the inner portion...     

A shear pin coupling between two members has shear pins accommodated in a holder which is releasably mounted on a coupling member. The pins extend through holes in a supporting flange ring which is a component of the member. Resilient packing is positioned between the ring and the holder to prevent penetration...     

An improved filter apparatus including a securing mechanism to hold a flexible filter media such as a filter bag in position. The securing mechanism includes a receiving member having an internal bore adapted to receive a portion of the filter media. A retaining ring having an externally projecting contact...     

A seal arrangement for connecting two seals in a fluid-tight and mechanically robust connection without vulcanization or adhesive bonding. The seal connector is provided with a sleeve-shaped receiver on one end of one seal for receiving an end of the other seal. The two seals are further releasably connected...     

A metal gasket for sealing a three-component joint structure in which first and second joint members are disposed in confronting relation so as to align their respective holes with each other and in which an outer peripheral portion of a third joint member is fitted in a recess in the confronting surface...     

A mechanical plug device for sealing pipeline access ports having a small threaded inner surface. The mechanical plug device has opposing inner and outer circular plate members. The rigid plate members each have interiorly tapered circumferential shoulders of generally the same predetermined slope. The...     

A vehicle body pillar has a cavity therein through which air flow creating undesirable noise and in which moisture and fluids such as water are not to be collected. An expandable sealant plug is inserted therein and retained in place. The sealant material forming the plug is later expandable under controlled...     

The present invention relates to a piston cap for a disc brake, comprising a brake motor consisting of a piston (24) sliding in a cylinder (26), this cap being composed of a flexible material ensuring sealing between the piston (24) and the cylinder (26) by way of a bead (32) located on its inner periphery...     

A rack boot which is installed at the steering rack portion of an automobile comprises a small-diameter ring portion, a large-diameter ring portion, and a bellows portion interposed between the small-diameter portion and the large-diameter portion. An angle to an axial line of the boot of a slanted wall...     

An assembly (10) for molding a two-tone, thin-walled plastic shell (12) for parts such as automobile door panels, control and instrument panels and the like includes a charge box (24) for supplying dry thermoplastic material to separate casting surfaces (30, 32) on a heated mold (22) selectively connected...     

A convoluted boot made of a thin-walled thermoplastic elastomer with at least one collar region which, on its inside, has an internal annular bead engaging a flat annular groove of a universal joint with a rectangular or trapezoidal cross-section, where at least the one collar region, on its outside,...     

A sealing arrangement is provided with overpressure relief. In the preferred embodiment, the sealing arrangement includes a sealing member that is positioned between two housing portions or the like and that is acted upon by the pressure within the housing. A force-responsive retaining arrangement maintains...     

A bracket for fixing to a prescribed member a flexible tube, such as the protective boot installed in an automobile suspension device, includes a stationary ring fixed on the prescribed member. A spacer ring is fitted to the stationary ring and provided with resilient supporting arms, and a fastening...     

A seal ring for maintaining the radial position of an orifice plate in a carrier plate having a circular bore extending therethrough, the seal ring including a body having an inner periphery containing an annular recessed groove for receiving the outer periphery of the orifice plate and an outer periphery...     

A washer system comprising: an annular washer having a central opening and an annular packing member which is coaxially arranged with the annular washer, at least a portion of the annular packing member being arranged within the central opening of the annular washer; at least a portion of the outer surface...     

The seal is provided at a joint between two ducts, which are traversed by hot gases. It has a seat for the seal and an elastic compensator strip, which spans the gap between the two ducts. A woven wire cloth is provided under the compensator strip. A metal foil is provided over the woven wire cloth and...     

A bellows made of thermoplastic elastomer material comprises clamping sections at opposite ends of the bellows, where at least one of the clamping sections consists of elastomeric material which is permanently bonded to the thermoplastic elastomer material.

There is disclosed a ram type blowout preventer wherein the outer ends of guideways radiating from the bore of the body to receive the rams are closed by bonnets bolted to the body and sealed with respect to the body by a seal assembly received in a recess in the inner face of the bonnet for sealing...     

Apparatus for sealing a joint between an inclined base surface having a leak path and a mating end surface of a hollow body surrounding the leak path. Compression gasket means receive an asymmetric preload force applied through the hollow body from an environmental pressure preloading element having...     

A filtration system for use in a settling tank includes a star shaped filter having equally spaced radial panels with the filter septums forming the downwardly extending sidewalls of each panel or compartment. The framework of the filter allows radial removal of the filter septums for cleaning and maintenance....     

A stroking constant velocity universal joint has a seal boot produced from a thermoplastic elastomer. The seal boot has a large diameter skirt at one end that attaches the seal boot to the universal joint housing and a small diameter ring at an opposite end that attaches the seal boot to a drive shaft...     

An electronic device enclosure is provided having a top and a bottom, preferably each made of a polycarbonate plastic material and having respective lower and upper edges which are the same shape, and an elastomeric cover which fits over the top and wraps around the lower edge thereof so as to seal the...     

A door seal device comprising a hollow main seal and a sub-seal which elastically contact the door opening end edge of a vehicle body for sealing a space between the body and a door, wherein both the main seal and the sub-seal are arranged side by side along and respectively attached to a door sash at...     

A boot assembly used with a Joint assembly has an elastomeric boot and an annularly shaped retainer ring. The elastomeric boot is approximately cup shaped and has an axis with a cavity therealong. A substantially coaxial first aperture at a base portion of the boot opens to the cavity. The retainer ring...     

A fluid-tight connection of capillary channels in components which are detachable from each other is established with the use of a sealing element. In order to compensate for slight deviations between the channel axes during the coupling of the components without creating any dead spaces, the sealing...     

An expansion joint sealing element, consisting of an arrow-shaped elastomer strip (1), defined by a triangular head (2) and a rear insertion section (3) with an angled end (4), while its lateral walls (5) are externally corrugated (6), an arrangement that is repeated on the external surface of the base...     

Annular groove portions are formed in each of facing surfaces of a sealing portion of a processing vessel that is kept in an atmosphere of a prescribed gas or an atmosphere at a reduced pressure, and a thin annular plate is arranged in such a manner that it is sucked against the entire periphery of the...     

In a boat attachment structure, an inner circumferential groove is formed at an open end of a cylinder bore of a caliper. A deep bottom section and a shallow bottom section are provided on the bottom of the inner circumferential groove, and therefore a step is formed between them. A dust boot having...     

A ball joint assembly (10) includes a housing (12) having a socket chamber (14) in which a ball end portion (18) of a movable stud member (16) is disposed. A shank portion (22) of the movable stud member (16) extends from the housing (12). An improved boot seal assembly (40) includes a flexible seal...     

An elastic seal member includes a watertight seal around the outside of a rubber cushion between the inner and outer cylinder portions and a cover member for covering the outer face of the elastic seal member with a space therebetween so that the elastic seal member is not exposed to water pressure during...     

A waterproof tap for a connector is provided comprising a housing part, a waterproof tap, and a waterproof tap cover. The housing part includes a plurality of wire insertion holes and a waterproof tap storage portion arranged in a manner to surround the wire insertion holes. The waterproof tap is a flat...