Particular cross-sectional seal profile

A resilient sealing member for use in an expansion joint comprising a tubular body having an internal truss structure which includes a pair of intersecting crossbars extending between the sidewalls and bottom wall of the tubular body. The sealing member, being of the low pressure type, further includes...     

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...     

A closure or sealing strip for interposition between corrugated or otherwise sinuous sheathing panels for walls or roofs or other building surfaces and a supporting or other frame element, the sealing strip comprising a laminated body in which the opposite longitudinal edges of the laminations are adapted...     

A valve comprising a housing with an inlet and outlet and a chamber in between, a reciprocating gate mounted in a gate seat disposed within the chamber for opening and closing the valve, an upper bonnet for closing the chamber at one end and a lower bonnet for closing the chamber at the other end, the...     

A fire-resistant seal for gaps between a door or window and adjacent structure, comprises a tubular holder which contains a fire-resistant barrier material and has a lengthwise opening through which the material can exude when the holder is subjected to hot smoke or fire. To protect the material against...     

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 seal member for a noncompression-type faucet valve comprises a cylindrical member having an open top and an open bottom, both of which are partially closed by inwardly directing flanges. The member is further provided intermediate its length with an external outwardly directed circumferential ridge....     

The invention provides a washer having a deformable annular skirt extending from the underside of the washer. The skirt deforms to the shape of the surface to which the washer is secured by means of a fastening device having a shank passing through the washer. The resiliency of the skirt seals the cavity...     

The disclosure illustrates an oil seal assembly for a keyway which receives a pin for an interconnection between an accessory drive pulley and a shaft extending from a diesel engine accessory drive gear box. The oil seal consists of an L-shaped elastomeric seal with one leg of the L extending into the...     

A valve for controlling fluid flow comprising a valve casing having a passage therethrough, an obturator disposed in the passage, and a stem extending through the casing into the passage, said stem secured to the obturator for pivotal movement therewith. A sealing strip is disposed in a groove in the...     

A static seal is utilized to provide a fluid boundary in place of a dynamic eal during underwater storage. The static seal is formed by an O-ring disposed between a threaded collar and retainer. The collar is held in alignment with a shaft by means of slots so that the collar rotates with the shaft in...     

A sealing gasket for an automotive air filter comprising an annular member which includes a base portion and a seal portion. The base portion is of harder durometer than the seal portion whereby the seal portion can more readily adapt to the contour of a contact surface which it may engage so as to provide...     

A fitting for establishing a sealed connection with a boss which fitting includes a concentric depression about the innermost portion of its boss engaging surface, which retains a backup ring of special cross-section by means of an inwardly facing circumferential surface therein, the ring, being constructed...     

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...     

To form a seal between a roof and a pipe projecting through this roof, it is known to construct roof flashing structures having a flat plate which has a centralized opening and an upstanding tapered housing attached to the flat plate and extending around said opening. Such roof flashing structures can...     

An abutment type peripheral seal for sealing the gap between a pivoted member and the boundary of an aperture in a structure, for example between a rumble seat lid and the peripheral boundary of a trunk lid in which it is located. The member is pivotal between a tilted position where it passes through...     

A vibration and dust isolation system for use in isolating first and second spaced elements (20,22) which together form at least a part of the structure (14) to be sealed. A resilient strip (30) is interposed between the elements and a fastener (26) secures the elements in sandwiching relation to the...     

Disclosed is a dust seal used in a front engine - front drive vehicle, wherein the clutch housing portion of a trans-axle case is mounted to the rear end of an engine body through a rear end plate and the differential housing portion of the trans-axle case is arranged below the engine body with a space...     

A high pressure multi-purpose seal for use with pressure vessels and other equipment requiring demountable access fittings withstands pressures thousands of times above atmospheric pressure at both cryogenic and elevated temperatures. The cryogenic high pressure seal comprises a stack of indium, brass...     

A double toric sealing ring for providing a seal between a casing and a butterfly member of a butterfly valve is formed with two helical springs each forming a torus and disposed concentrically. The helical spring forming the outer torus has a coil diameter greater than that of the coils of the spring...     

A master cylinder for a vehicle braking system. The master cylinder including a housing defining a bore therewithin with a piston slidably mounted in said bore. The piston head and the housing bore define a pressure chamber in communication with at least one brake actuator. A conventional annular ring...     

This is a sealing means to form a tight seal between two members opposed to each other, one of which has a flat contact surface formed for contacting one end of a frustoconical metal gasket. The other member is provided with a groove opening toward the contact surface, hold the metal gasket on the other...     

An axle assembly having an axle shaft rotatably mounted within a housing and operably connected to a driving device at one end thereof, the axle shaft having an annular head formed on its end opposite the driving device, fastening element to fasten the head to a hub, the hub being rotatably mounted on...     

An oven door seal of elastomeric material having metal hooks at the ends for mounting it on the door, which hooks are permanently fastened to flanges on the elastomeric material by a crimping operation.

A mast collar system for securement to a surface at the location where the mast extends down through the surface includes a rigid collar which loosely encircles the mast. Positioned in the gap between the mast and the collar is a resilient ring. An annular groove extends down into the ring and a spline...     

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...     

A sealing device comprising a door or gasket of rigid material curved in one direction and straight in another, as in the form of a portion of a cylinder, and having convex and concave surfaces. Either or both such surfaces has a circumferentially continuous groove across the straight and curved portions...     

A valve has a metal-to-metal seal system between the flow bores of the valve body housing and each of the valve seat hubs. Each seal system includes an elastic dished metal ring gasket and a retainer ring. Each metal gasket is softer than each of the seat hub and the valve housing, is of rectangular...     

A metallic sealing device for a valve including a fluid passage therein and an inner valve positioned in said fluid passage, which comprises an annular groove having nearly T-shape in section formed around the fluid passage by the valve body and a metallic seat holder fixed thereto and a metallic seat...     

A control valve has a gland seal comprising a sealing member formed of a flexible polymeric material, preferably PTFE. The sealing member comprises a tubular portion located around the valve spindle and a radially extending flange encircling the tubular portion, the sealing member being supported within...     

A hydrodynamic shaft seal for use under both static and dynamic conditions features a sealing face having one static sealing surface at the non-liquid side of the seal and a dynamic sealing surface having a plurality of angular vanes forming chambers open to the liquid at the liquid side of the seal....     

A butterfly valve having a split sealing ring in a groove in the interior of the passageway therethrough, the sealing ring having mating ends of a tongue and groove construction or the like.

A pressure vessel seal for sealing a pressure vessel joint of a pressure vessel to prevent fluid migration between an interior wall and an interior surface of the pressure vessel joint including an annular seal ring, coatings with the annular seal ring for engaging the pressure vessel for effecting a...     

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 flanged joint 20 having a seal ring 38 is disclosed. The flanged joint includes two cylindrical case structures 24,26. The seal ring is disposed in a groove 40 formed between two outwardly convergent sidewalls 32,34. The seal ring has a wedge-shaped cross section 48 and may operate with a higher coefficient...     

An improved flanged sealing ring for valves, and the like, and comprising a rigid annular core member, a resilient covering surrounding the core member, and outwardly extending flange provided on the outer periphery of the resilient covering whereby the cross sectional configuration of the sealing ring...     

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 flexible double toric sealing ring comprising two toric sealing ring structures 2, 3 which ensure, respectively, a static seal and a dynamic seal. A counter ring is mounted radially on the second sealing ring structure and floats with it to allow self centering of the arrangement with respect to the...     

An elastomeric seal member for sealing roadway and structural expansion joints. The seal member is of generally rectangular configuration and includes top, bottom, and side walls, the side walls being linear and the top and bottom walls including means to cause deflection thereof to occur in a downward...     

A manhole cover gasket seal to seal a manhole cover in the opening of a manhole frame, the seal including a flat circular ring, an annular flange secured to the inner diameter of the ring and having a diameter substantially equal to the diameter in the opening of the manhole frame and a bead formed around...     

A torsionally flexible annular seal in the form of a metallic, resilient sealing ring for a pair of concentric, hollow annular bodies having high pressure and temperature fluid flowing therethrough and having different thermal expansion rates and/or temperatures. The sealing ring comprises a central...     

The device comprises a main valve-seat of sheet metal having an anchoring flange attached to the valve body and a closure structure which is adapted to cooperate with the valve disk by means of an outer wall forming a curled shell, said closure structure being applied against the convex surface of an...     

A water flow control valve has a ceramic shutter plate which is slidable relative to a pressure member having a flat face against which the shutter plate slides. The pressure member is urged against the shutter plate by a tubular resilient sealing element which is subjected to axial compression to produce...     

A cylinder-head cover gasket being inserted to the sealing groove with a wedge shaped space defined by two plates of a cylinder-head cover has a upper projecting portion, which is engaged with the wedge shaped space of the sealing groove. The whole space of the groove is filled with the gasket, so that...     

A seating assembly for use in a rotary valve comprising a metallic seat ring having a radially inner metallic sealing section and a polymeric seat ring having a polymeric sealing section for sealing engagement with a valve element, each of said rings having a radially outer retaining section for mounting...     

A vane-type hydraulically powered rotary actuator having a shaft provided with a radially extending vane. The shaft is rotatably carried inside a generally cylindrical actuator chamber formed in the housing of the rotary actuator. The vane includes a pair of end walls which move adjacent the actuator...     

An improved fitting is disclosed for receiving and sealing an aerosol cannister. This fitting employs an annular sealing ring on the fitting to seal against one or more peripheral surfaces of the recess defined by the valve assembly of the aerosol cannister.

A panel edge gasket including a rigid elongated member defining a panel edge receiving channel and having flexible fingers attached along opposing inner faces of the panel legs which flex downwardly into the channel and outwardly into relief recesses in the channel legs as a panel edge is moved into...     

A spirit level which includes a frame having a hole therein. At least one liquid-containing leveling vial is located in the hole and is preferably mounted in a vial holder having a central opening therethrough. The vial and, where used, the vial holder are fixed to the frame. Extending substantially...     

A liquid filled pressure transducer which utilizes a self activating lip seal type valve to create a sealed cavity within the transducer to prevent the flow of liquid from behind the pressure diaphragm and thereby prevent distortion of the diaphragm under overload conditions. A mechanical stop prevents...     

Longitudinally multi-tubular elastomeric glands, and in certain embodiments elastomeric gland and mount systems, are provided for the gland or system to be combined with relatively movable bodies to close off a movement tolerance space between the bodies, the gland being characterized longitudinally...     

A hot beverage dispensing machine is disclosed for dispensing a beverage from a concentrate. The dispensing machine includes a beverage concentrate container disposed in an inverted orientation within a refrigerated compartment. A first valve is associated with the container, the first valve permitting...     

A low temperature static seal assembly consisting of an elastomeric seal element combined in a gland having a reduced wall dimension at the high pressure side which provides a path for enhanced communication between the seal element and the viscous fluid. O-ring, lathe-cut and molded in place seals can...     

A packing which includes a plurality of seal portions integrally formed on an annular elastic sheet. The seal portions are spaced about the circumference of the sheet and project from one side surface of the sheet. Each seal portion has a through hole extending entirely through the sheet parallel to...     

An orifice seal is shown of the type adapted to be inserted into an orifice meter tube for determining fluid velocity within the tube. The orifice seal includes a resilient seal ring which is adapted to be received about a circumferential region of the orifice plate. The seal ring has circumferential...     

An improved manhole seal for sealing a manhole lid to the frame. The frame has an upwardly facing ledge and an annular surface bordering the outer extremity of the ledge. The lid encloses the manhole and has a lower surface seated directly on the ledge and an outer peripheral surface abutting the annular...     

A ball joint (9) for mutually rotatably interconnecting two members (12, 5), the ball joint (9) including a ball shaft (35) attached to one member (12) out of the aforesaid two members, the ball shaft (35) having at one end thereof a ball (34) rotatably accommodated in a housing (31) attached to the...     

An air suspension assembly provided with an air chamber below a car body surrounding a shock absorber and which includes a housing for forming the air chamber having a support connected with a piston rod of the shock absorber, a spacer disposed between the housing and the car body and a mechanism for...     

A seal, especially a flat, gasket-type seal for placement between two structural machine parts. The seal has an elastomeric sealing member which is associated with a carrier member. The structural parts which are to be sealed off are adapted to be pressed against surfaces of the carrier member. The carrier...     

A seal for an enclosure of electrical equipment which is clamped between sealing surfaces on the enclosure base and the enclosure cover. The seal includes a cavity of a preferred hour-glass configuration and resiliently retains a resilient seal member of a preferred triangular configuration. The outer...     

An obturator ring for location between a sliding wedge-type breech block and a base ring in the barrel of a cannon to provide a seal and allow satisfactory closing movement of the obturator ring. The ring comprises an angle section with a radial flank having a disc lining on the external side facing...     

A joint for connecting a driving means to a driven means for reciprocating movement wherein a confined deformable, non-compressible material is in contact with a surface area of the driving means and with a surface area of the driven means and when a force is applied to the driving means to move the...     

A beverage dispensing apparatus for dispensing premixed carbonated beverages from a single beverage dispensing head, the premixed beverages being supplied to a dispenser head by conduits connected to individual premixed beverage sources. The dispenser head consists of a handle having an upper surface...     

A metal gasket of the invention comprises at least one metal plate including at least one fluid hole, a main bead extending around and adjacent to the fluid hole, and at least one auxiliary bead situated at an area away from a tightening device of the gasket. The auxiliary bead diverges from a part of...     

A hollow metallic sealing ring comprised in radial cross-section of pair of outwardly convex limbs contiguous with a loop formation having at least one straight sided loop, the limbs, from their junctions with the ends of the loop formation being of increasing radius towards their free ends which are...     

A hollow metallic sealing ring which in radial cross-section is of serpentine shape with a pair of divergent limbs connected by at least one contiguous single loop with substantially straight sides. The transition curve between the sides of the loop and the divergent limbs is of constant radius and the...     

Leakage under pressure of fluid through the interface of a filter and a filter head or cover casting during removal of the filter is avoided by the use of a stepped gasket at the interface of the filter and the cover casting. The stepped gasket has both axially facing and radially facing sealing surfaces...     

A plate heat exchanger comprising aligned flat heat transfer plates and patterned profiled turbulence plates interposed as spacers between the heat transfer plates. All plates have openings or ports at each of the four corners, some of which are sealed at their periphery so as to direct fluid flow through...     

A synchronous machine having a rotor with a plurality of salient poles which are supported by a rotor rim. The rotor rim is arranged by means of a hollow annular device in mechanical connection with a rotor hub, cooling gas flowing into the annular device relatively close to the hub and leaving at the...     

A valve housing assembly includes a valve body member that has an exterior threaded section which can engage an interior threaded section of a cap member. The cap member and valve body member have opposing shoulders. An abutment ring made from a semi-rigid material of talc filled propylene is interposed...     

A gasket for use on ventilation louvers of buildings. The gasket fits snugly over the sidewall of the ventilation louver and has a circumferential radially inwardly facing concave side surface terminating in a narrow lip which presses against the louver sidewall. The gasket also has a circumferential...     

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 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 tamper-resistant three-phase padmounted transformer is provided including a tank having electrical connections mounted on one wall thereof, and a cabinet fixedly attached to the tank forming a cabinet-to-tank interface therebetween. An elongated P-shaped gasket is positioned at the interface so as...     

An elastomeric sealing device for sealing a fluid opening of passageway at the interface of two mateable parts comprises a bi-lobed elastomeric seal integrally molded on a relatively rigid retainer. The retainer is generally planar in construction with a peripheral load bearing portion that is clamped...     

A seal device for sealing between a surface such as a roof and an elongate member such as a pipe projecting through that surface. A one-piece mounting plate has a planar base portion with an access aperture therethrough, and is composed of metallic, non-resilient, manually deformable material. The base...     

A tool chuck assembly comprising a collet having a bore for supporting a tool, a collet holder having a portion circumscribing the collet, a tension nut cooperatively associated with the collet holder to mount and dismount a tool means defining a coolant channel in the collet holder, a sealing element...     

An improved molded gasket for effectively sealing the baffle plate to a radiator core in a multi-pass radiator system. The gasket includes an elongated, generally tubular shaped center section provided with generally flattened end sections. The center section is provided with a slot or groove running...     

An elastomeric seal for joining together a casing part which mates within a recess in a second casing part and which locates both casing parts with respect to each other and forms a liquid tight seal therebetween. Preferably the seal is of a "J" or "L" shaped profile.

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...     

The O-ring seal at the tip end of a particular model of fuel injector is replaced by an adapter grommet which provides an axial seal. This makes the fuel injector interchangeable with another model of fuel injector that is specifically designed for an axial seal. The adapter grommet comprises a radially...     

A valve apparatus comprises a valve body having a fluid passage therein including a valve seat. A valve member, having a head and stem, is movable in the body between valve open and valve closed positions determined by the proximity of its head to the valve seat. The valve member is engageable in sealing...     

A closure cap snap-fitted to the lower end of a dispenser body is threaded to the neck of a container of fluid to be dispensed and resists back-off or loosening from the container by resisting rotation of the body about the central axis of the container. Cooperating slip-resistant surfaces are provided...     

The tool gripping and releasing devices carried by the indexing turret head of a radial component insertion machine are air operated and sealed connections are selectively established between stationary and rotating air transfer rings. Supplied pressurized air leaves the stationary air transfer plate...     

To prevent overheating of the gaps between shroud segments circumferentially arranged about a high pressure turbine rotor, an improved seal is provided to block radial leakage flow of hot working gas through the gaps, as well as to restrict axial flow of working gas in the gaps. The seal includes a corrugated,...     

A beverage tap includes a probe with a cylindrical upper section and a reduced-diameter cylindrical lower section. In order to seal the probe with respect to a Sankey-type keg fitting, an elastomeric seal includes a tubular body attached to the upper section of the probe and formed with a downwardly...     

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 sealing and shielding structure of the present invention comprises an elastic sealing member and an electromagnetic shideling member provided in a cavity formed at least in one of a first member and a second member both of which have conductive abutting faces. The elastic sealing member is, for example,...     

A housing for a door lock device has an irregular outer perimeter with inside and outside curved corners. A sub housing for the door lock device has a similarly configured outer perimeter coupled to the perimeter of the housing. An O-ring is inserted in a groove in the housing perimeter for sealing the...     

An improved shaft damper bearing utilizing spaced apart piston ring seals to seal off an annular squeeze film space between the rings, includes diagonal surface cross-section ring grooves in the bearing housing with diagonal cross-section rings in the housing grooves adapted to engage a bearing support...     

The present invention is a seal for an open end of an end cap which is adapted to be at least partially disposed in a cavity of a member. The seal includes an axial portion adapted to extend axially along an axial flange forming the open end of the end cap. The seal also includes at least one relief...     

An extremely thin, conically shaped sealing member is interposed between the cooling element of a cryocooler and a dewar to permit the flow of cryogenic gases in one direction toward the cold end of the cooling element where the gas liquifies and is precluded from passing past the sealing member in an...     

An elastomer seal is described which is useful for forming a sealed, flat mounting surface on a curved housing. The elastomer seal has a flat sealing face opposite a curved sealing surface. An angled transition surface is adjacent to the curved sealing surface forming a bevel. The bevel assists the seal...     

A spring loaded seal is placed between three continuous groove walls between mating parts adjacent to a pressure transmitter isolator. The seal includes a resin ring with two ring walls conformable to two of the groove walls. A third ring wall has a continuous slot extending into the ring. A coil spring...     

A sanitary sight indicator for viewing the contents of a production process is provided. The sanitary sight indicator includes a body, an optical unit, and a sanitary connection between the body and the optical unit. The body includes a process-interfacing portion which is adapted to interface with the...     

A clutch adjusting ring defines an operative position for members which are movable to force a drive disc into a driven disc. The adjusting ring is threadably adjustable within the interior of a clutch cover to accommodate wear on the discs. A seal is provided between the clutch cover and adjusting ring...     

A ring seal for sealing a piston of a master cylinder is provided. The ring seal is fitted within a generally rectangular groove of the piston, the groove having front and rear walls joined by a floor. The ring seal prevents fluid communication from a first chamber to a second chamber during high pressure...     

A dispenser for use with a pressurizable fluid container. The dispenser comprises a head removably connectable with the container. The head includes an inlet, an outlet, a valve seat, a cavity and a chamber for fluid communication between the inlet and outlet. The valve seat is located between the inlet...     

A novel gas passage shifting device used primarily for a surface area measuring apparatus for particulate materials is disclosed. The device is characterized by having a base member provided with a recess which receives a tubular body so as to gas-tightly connect it to the gas passage by a simple operation.