Abstract: A filler neck is equipped with a neck main body having a pipe shaped resin inner layer and resin outer layer, and a retainer made of metal mounted so as to cover the edge part of the neck main body. The resin inner layer and the resin outer layer are made of resin materials for which one layer has superior fuel permeability resistance to the other layer. The resin inner layer has a screw part for screwing into a screw part of a fuel cap on the inner wall of the resin inner layer. The retainer has a seal part for sealing between the gasket, and a round cylinder shaped outer circumference protector part. The lower end of the outer circumference protector part is on plane perpendicular to the center axis of the fuel path. The plane includes the screw part.

Abstract: A container for storing matter provides a container body having a resilient flange protruding outward therefrom to form a seal between the container body and a mating closure. The resilient flange is deflected by the inner surface of the mating closure to form a first releasable seal between the closure and the container body. The resilient flange includes an aspect ratio of length divided by thickness. A second releasable seal is formed in some embodiments between the upper edge of the side wall and the closure when the mating closure is positioned on the container body.

Abstract: The present invention relates to compositions (compounds) which can be used as seal material in vessel caps, even under pasteurization conditions and possibly sterilization conditions. More specifically, the invention relates to such compositions that are suitable for vessel caps that can be unscrewed, such as lug screw caps and in particular Press-on/Twist-off® caps, and that result in a reduced migration of undesirable substances.

Abstract: Apparatus and methods to permanently attach fuel delivery system components to fuel tanks are described herein. An example apparatus includes an insert material integrally formed with at least a portion of the fuel tank. The insert material includes a first layer material having a low permeation characteristic and a second layer material adjacent the first layer material having a relatively lower melting point than a melting point of the first layer material to enable permanent attachment of a coupling apparatus to a surface of the fuel tank by melting at least a portion of the second layer material.

Abstract: A closure for a container is described. The container has an opening through which contents of the container are dispensed and a holding member (255, 285, 295, 305, 315, 316, 317, 340, 350) for cooperating with the closure to retain the closure on the container. A sealing member (220) is configured to sealingly close the container opening. The sealing member includes a retention member (260, 275, 290, 300, 310, 325, 335, 345, 355) engageable with the holding member of the container to retain the sealing member in sealing engagement with the container. A cap member (225) has a top rim and a sidewall depending from the top rim. The sidewall includes an attachment member (160) for attachment to the container and an engagement member (245) that operatively couples the sealing member to the cap member upon placement of the cap member on the container. The cap member is rotatable relative to the container and relative to the sealing member.

Abstract: A container includes a body forming an interior and having a sidewall with a distal edge portion forming an opening to the interior. A liner is disposed over the opening and includes an inner portion and an outermost radial portion disposed radially outwardly of the distal edge portion. A lid including an interior surface and at least one tab projecting inward from the interior surface is disposed over the liner and engages the body. The liner is sized to be releasably rotatably secured within the lid while the lid is initially attached to the body so that the at least one tab remains generally rotationally fixed relative to the outermost radial portion while being assembled to the body. The at least one tab is arrange to press the outermost radial portion while the lid is being removed from the body so that the outermost radial portion maintains a bent orientation.

Abstract: A closure assembly for a container including an internally-threaded annular flange, an externally-threaded closure plug that is received by the annular flange, and an annular gasket positioned between the annular flange and the closure plug for establishing a sealed interface. The container includes a container end panel that is formed over and around a portion of the annular flange and provides an inner axial wall that is positioned between the annular flange and the annular gasket. The clearance between the closing plug and the inner axial wall relative to the size of the annular gasket determines the degree of radial compression of the annular gasket as the plug is threaded into the flange. A radial lip of the plug is designed to contact an upper surface of the container end panel that is formed over the flange as a visual indication when the required tightening torque of the plug within the flange has been reached.

Abstract: A cap and gasket for a compressed gas cylinder arranged to operate with a gas cylinder having a neck with a top surface around a gas outlet and a side surface extending downwardly from the top surface. The cap may define an inner space to house the gasket and may be attached to the gas cylinder neck. The cap may restrain gasket movement, and define a volume in which the gasket can deform, when making a seal as a piercing element enters the inner space to contact the gas outlet.

Abstract: The pressure control valve comprises a negative pressure valve and a positive pressure valve. The negative pressure valve comprises a negative pressure valve body, a valve retaining member and an engagement mechanism. The engagement mechanism comprises a support concave portion formed on the negative pressure valve body and a support protrusion formed on the valve retaining member and inserted into the support concave portion, which is formed to reduce the elastic deformation transferred to a second seating portion, when a first seating portion is pressed by a first seal portion to undergo elastic deformation.

Abstract: A container that is re-useable and may be disassembled for cleaning and reassembled and resealed for use as a beverage or foodstuffs container. The container assembly for storing foodstuffs or liquids includes an annular upper body with a first end adapted to receive a cap, and a second open end which connects with an annular lower body including a first open attachment end and a second closed bottom of container end and a seal which is compressed when securing the upper and lower bodies together.

Abstract: A filler neck is equipped with a neck main body having a pipe shaped resin inner layer and resin outer layer, and a retainer made of metal mounted so as to cover the edge part of the neck main body. The resin inner layer and the resin outer layer are made of resin materials for which one layer has superior fuel permeability resistance to the other layer. The resin inner layer has a screw part for screwing into a screw part of a fuel cap on the inner wall of the resin inner layer. The retainer has a seal part for sealing between the gasket, and a round cylinder shaped outer circumference protector part. The lower end of the outer circumference protector part is on plane perpendicular to the center axis of the fuel path. The plane includes the screw part.

Abstract: Applicant has disclosed an improved method and apparatus for installing electrical junction boxes in embedded concrete construction applications. In the preferred embodiment, a first box (with at least one attached conduit) is embedded in the bottom of a concrete deck at pour, wherein the box has an open bottom covered during the pour. After pouring, the cover is removed to expose the open bottom, through a plane of the deck, without having to break through the concrete. A second box, with an open top, is lifted up and fastened (preferably, screwed) to the embedded first box to complete a preferred electrical junction box. The second box is designed to be exposed to accept surface mount or exposed wiring methods. There is a passage between the first and second boxes for accepting wire pulled through the conduit(s).

Abstract: An airtight compact that contains a volatile product until a time of use. The airtight compact includes a translucent and fragile pot partially encased by a base assembly, which has a rotatable lid assembly pivotably coupled to the base assembly. The rotatable lid assembly comprising a liner over-molded to an inner lid that directly seals to a rim of the fragile pot partially encased by the base. The fragile pot may be formed of a translucent glass, which is protected by the base and the rotatable lid assemblies.

Abstract: A liquid tank cap for a working machine engine is provided. The liquid tank cap opens and closes a filling opening of a tip end portion of a refilling pipe of a liquid tank. The liquid tank cap includes an upper wall that covers the filling opening, a fitting portion that engages with an inner surface of the filling opening and protrudes from the upper wall, and a peripheral wall that covers an outer circumference of the refilling pipe in a state where the liquid tank cap is attached to the filling opening.

Abstract: An externally threaded closure plug for tightly closing off the internally threaded opening in shipping and storage containers such as drums, pails and the like. The plug is formed as a cup having a bottom wall and threaded cylindrical sidewall terminating in a circumferentially enlarged rim. Immediately beneath the rim of the plug is a gasket seat defined by the undersurface of the plug rim, the plug sidewall and an annular gasket retaining lip lying in a plane parallel to the undersurface of the plug rim. In use, the plug is screwed into and out of a container wall opening, having an internally threaded portion and an unthreaded portion, the sealing gasket being compressed between the unthreaded opening portion and the plug gasket seat and lying in close proximity to the internal thread. The gasket seat acts to prevent interengagement of the sealing gasket and the opening internally threaded portion.

Abstract: A fluid dispense head is removably joined to a bottle, such as a wine bottle, or similar container, by having a hollow cylinder extend into the bottle and on one end sealed to a neck of the bottle with an annular gasket and on an opposite end joined to the dispense head. A nut on opposite end of the hollow cylinder limits entry of the cylinder into the bottle. When the nut is turned relative to the cylinder, the gasket seal is broken and the dispense head can be removed from the bottle. A set of annular gaskets of different diameters may be provided for bottles of different neck sizes.

Abstract: A cap is provided with a guarantee seal. The guarantee seal has guarantee portions which have an engagement portion and a connecting portion. The seal further has bridges for connecting adjacent guarantee portions to one another and a safety portion that makes the engagement portion integral with the handling portion. The safety portion is structurally suitable for keeping the engagement portion constrained in the broken seal configuration, for preventing the forming of dangerous spikes.

Abstract: A spray gun and a detachable liquid reservoir releasably attached to the spray gun by engagement of mateable, non-threaded formations provided on the spray gun and the reservoir. The spray gun has an integral connector boss with a socket for reception of a connector tube of the reservoir. The boss has an external flange at the distal end and the reservoir has hook members separate from the connector tube. The hook members are co-operable with the flange when the connector tube is received in the socket to secure releasably the reservoir to the spray gun. In another arrangement, the connector tube is an interference friction-fit in the socket to secure releasably the reservoir to the spray gun. In yet another arrangement, the connector tube has bayonet lugs co-operable with bayonet grooves in the wall of the socket when the connector tube is received in the socket to secure releasably the reservoir to the spray gun.

Abstract: The invention relates to a polymer compound for a sealing insert for a container closure, in particular for fat-containing filling materials, which has a composition such that the migration of constituents of the compound into the filling material is reduced, characterised in that the Shore A hardness of the polymer compound is between 45 and 95 and in the compressive deformation test analogous to ASTM D395-97 Method B at 70 DEG C the polymer compound exhibits a compression set of 30-90%.

Abstract: A method, an apparatus and/or a system of laser marking of an interior cavity of a securing means of a substance container is disclosed. In one embodiment, a solid-state laser marking system to mark a securing means of a substance container includes a semiconductor laser to emit a pumping laser beam. The solid-state laser marking system also includes a resonator to create the laser beam that is then focused through a lens to mark the securing means of the substance container having a maximum diameter of 5 cm. Further, the solid-state laser marking system includes a solid-state laser crystal doped with a rare-earth element, to produce a laser beam in response to being pumped by the pumping laser beam and a laser resonator. The laser resonator is configured to focus the laser beam of a spot size of less than 150 microns and a beam quality of M2 less than 1.3.

Abstract: A turn signal control system for use with a right turn signal and a left turn signal of a motor vehicle and a vehicle navigation system is provided. The turn signal system includes a processor configured to be operably coupled to the vehicle navigation system. The processor is configured to receive map data and route data from the vehicle navigation system. The processor is configured to determine a turn zone of the vehicle based on a set of criteria. A turn signal controller is operably coupled to the processor and configured to activate one of the right and left turn signals when the vehicle is in the turn zone. A method of controlling a right and left turn signal is also provided.

Abstract: A plastic closure is disclosed which is configured for enhanced performance and reduced closure weight. Notably, the closure includes a compound, internal helical thread formation including an upper retention portion which provides desired closure hoop strength and sealing performance, and a lower guide portion which is configured for light weight while functioning to guide the closure onto an associated container during application. The closure can further include a stepped top wall portion having a relatively thick outer region, and a relatively thin central region. A tamper-evident band of the closure can be configured to include a deformable free edge portion for enhanced tamper-resistance.

Abstract: An externally threaded closure plug for tightly closing off the internally threaded opening in shipping and storage containers such as drums, pails and the like. The plug is formed as a cup having a bottom wall and threaded cylindrical sidewall terminating in a circumferentially enlarged rim. Immediately beneath the rim of the plug is a gasket seat defined by the undersurface of the plug rim, the plug sidewall and an annular gasket retaining lip lying in a plane parallel to the undersurface of the plug rim. In use, the plug is screwed into and out of a container wall opening, having an internally threaded portion and an unthreaded portion, the sealing gasket being compressed between the unthreaded opening portion and the plug gasket seat and lying in close proximity to the internal thread. The gasket seat acts to prevent interengagement of the sealing gasket and the opening internally threaded portion.

Abstract: The invention relates to a method of assembling a cap (20) of a closure device (9) with an open end (6, 7) of a housing container (5) for forming a container system (1) for body fluids, tissue parts or tissue cultures, whereby a relative rotating or pivoting movement is effected between the cap (20) and the housing container (5) about a common longitudinal axis (14). In order to generate the relative movement, a pressing force (F) is applied to at least one of the components to be assembled directed more or less in the direction of the longitudinal axis (14). The invention further relates to a cap (20) for forming the closure device (9), a housing container (5) and a container system (1) obtained as a result, comprising at least the cap (20), a sealing device (21) device retained in it and the housing container (5).

Abstract: A cap may include a threaded inner body and an outer cover. A ratchet mechanism may be operatively positioned between the inner body and the outer cover to directly transmit rotation from the outer cover to the inner body in the cap-unthreading direction and to transmit no more than a predetermined amount of torque from the outer cover to the inner body in the cap-threading direction. A gauge assembly may include a float, an indicator dial, and a pointer. The float is supportable at a level of fluid within the container, and the pointer is movable in response to movement of the float with the level of fluid in the container. The pointer cooperates with the indicator dial to indicate the level of fluid in the container. A translucent crystal may be positioned over the indicator dial and the pointer. The crystal may be fixed relative to the inner body.

Abstract: The invention concerns a plastic cap (1) and a container (4) using same. The plastic cap (1) comprises an oxygen-tight liner (8) to be joined to an opening end surface (6) of a spout (5) on the container (4). The cap (1) has a circumferential skirt (2) with an internal annular bead (3) adapted for snap connection with a corresponding annular groove (7) in the spout (5). The liner (8) has on the side facing the cap (1) a first plastic layer (81), which is arranged to be permanently joined, when injection-molding the cap (1), to the plastic material of the cap (1), and on the side facing the container (4) a second plastic layer (82), which is arranged to be temporarily hermetically sealed to said opening end surface (6).

Abstract: The beverage can sealer and holder functions as a unit. The beverage can sealer is the screw cap for the holder of the beverage can and has a circular ridge which, when screwed onto the beverage can holder, compresses a peripheral circular zone on the top surface of a beverage can to seal it airtight. A resealable drink spout is incorporated into the beverage can sealer. The drink spout is opened when it is pulled up and closed when pressed down. This art allows people to enjoy canned beverage while engaging in activities and maintains the pressure within the opened can when the unfinished beverage is stored.

Abstract: An apparatus for opening/closing a reservoir, capable of communicating the inside the reservoir with outside air and preventing oil stored in the reservoir from leaking to the outside, the apparatus including a cap coupled to an oil injection port of the reservoir storing oil and provided with an air passage connecting an entry positioned in a center of an inner surface of the cap to an exit positioned at an inner surface of an outer side in a radial direction of the cap to communicate with outside air, and a gasket provided between the inner surface of the cap and the oil injection port and provided in a center thereof with an air-passing hole to communicate the air passage with an inside the reservoir, wherein the air passage is connected in a way to pass through a position, which is spaced apart from the entry to the exit in a coaxial manner with respect to the entry, at least one time.

Abstract: A fluid treatment unit and a sealing structure which is preferably for the fluid treatment unit are provided. The sealing structure includes: a cylinder with an opening formed at one end thereof, the cylinder comprising an inner wall surface and an outer wall surface, and an outer thread being provided on the outer wall surface; a sealing cover which is capable of hermetically cooperating with the inner wall surface of the cylinder to seal the opening; a support cover which is capable of being connected with the cylinder by thread engagement; when the support cover and the cylinder are relatively rotated in order to achieve a threaded connection of the support cover and the cylinder, the support cover is capable of supporting the sealing cover and impelling it to move in parallel so as to allow the sealing cover to reach a position at which it seals the opening.

Abstract: The invention relates to a screw cap (10) capable of being screwed onto the neck (44) of a container body (40), the screw cap comprising a substantially cylindrical screw section (17) comprising a screw thread (16) on its inner face, at least one tamper evidence member (18) for indicating an initial opening of the screw cap (10), and a desiccant chamber (24) located radially inwardly to the screw section, wherein the screw section (17) is radially resilient.

Abstract: The invention concerns a closure for a cylindrical can (10) The closure includes a flexible member (11) of the easy-open type secured across the open end of the can (10). A rigid, screw cap (22) is screwed over the thus sealed end of the can. An annular, resilient member (24) depending downwardly from the underside of the end wall of the cap (22), engages the membrane (11) in the vicinity of the end flange (18) of the can body (10) thereby strengthening the seal between the membrane (11) and the flange (18). This advantageously permits cooking of the contents of the can with the flexible membrane (11) in situ, thereby giving rise to a can having an easy-open end, the contents of which can are cooked and sterilized using conventional processing lines.

Abstract: A can end for a container has a metallic main portion and a polymeric separable cap. The metallic main portion is positioned about a longitudinal axis and has a curl defining a radially outer perimeter of the can end. A center panel is joined to the curl. A dispensing aperture is in the center panel, and a plurality of projections extend radially inwardly into the dispensing aperture. The polymeric separable cap is in the dispensing aperture and has a plurality of angled channels. The channels have an entry portion opposite a terminal end and a vent region therebetween.

Abstract: A drainable container system for a vehicle includes a container defining an interior cavity configured for storing a fluid, and a drain hole configured for draining the fluid from the interior cavity. The drainable container system further includes a drain plug configured for plugging the drain hole, and a weld nut attachable to the container and configured for receiving the drain plug. The weld nut includes a coupling portion matable with the drain plug and having a longitudinal axis, and a flange portion extending from the coupling portion and disposed substantially perpendicular to the longitudinal axis. The flange portion defines at least one channel therein configured for conducting the fluid to the drain hole.

Abstract: A fuel filler system for an automotive vehicle includes a filler pipe connected with a fuel tank and an interceptor mounted about an open end of the filler pipe, with the interceptor and filler pipe defining a generally annular contaminant collector having a drain extending from the collector. A filler cap closes both the open end of the filler pipe and the open end of the interceptor, so as to prevent ambient contamination from entering either the contaminant collector or the filler pipe. Removal of the filler cap from the filler pipe first causes venting of the fuel tank into the collector before a sealing condition between the filler cap and the interceptor is released.

Abstract: A two-part closure for use in conjunction with a liner. An upper part of the closure is substantially plate like and clips or snaps onto the lower part of the closure. The lowest part of the closure has sidewalls with interior threads or a snap-on rib, as desired. The upper portion of the lower part is open, with crossing ribs positioned a spaced distance above the sealing lip for the lower part.

Abstract: A composite closure having a double-wall configuration facilitates convenient use by consumers, and permits in-shell formation of a sealing liner. The closure includes an outer closure cap having inner and outer annular skirt portions arranged in concentric relationship with each other. The closure includes a sealing liner formed in the closure cap at the inside surface of the top wall portion of the closure cap. A method of compression-molding the sealing liner is disclosed.

Abstract: One aspect of the invention provides a lid comprising: a base defining a first orifice; and a sealing member rotatably coupled to the base, the sealing member configured to seal the first orifice when placed in a sealing position. The base and the sealing member include one or more detents configured to releasably hold the sealing member in the sealing position. Still another aspect of the invention provides a container including a mug and a lid configured for releasable coupling with the mug. The lid includes a base defining a first orifice and a sealing member rotatably coupled to the base. The sealing member is configured to seal the first orifice when placed in a sealing position. The base and the sealing member include one or more detents configured to releasably hold the sealing member in the sealing position.

Abstract: A container lid with a latch handle is taught that incorporates a drinking lip, having a flared brim, configured to interface with a liquid container. A lip sealing ring is disposed on the drinking lip creating a watertight fit between the lip and the container. A lid body, having lid male threads, is configured to interface with container lid female threads, and the lid body includes a bottom cover which forms a dead air space for insulation purposes within the lid. The lid body incorporates a vertical arched handle with a snap-in hinged spring loaded latch for quick release attachment of the container lid and container securely to an object. A lid sealing ring is disposed on the lid body forming a watertight fit between the lid body and the container drinking lip.

Abstract: A fluid containment and dispensing system includes a sealed, variable-volume containment device having a movable plunger slidably mounted within a barrel, and a sealing head having a seal insert retained thereon. A seal arrangement includes a self-resealing cross-slit opening, an internal sealing ring for engaging a corresponding coupling of a compatible device, and a raised peripheral seal ring for sealing engagement with a closure lid.

Abstract: A torque-limiting cap (100) for an air conditioning service port (14) includes an inner body assembly (122) having a retaining body (116) configured for engagement on the service port, and an outer body assembly (134) annularly disposed around the inner body assembly. The outer body assembly (134) has a first ratchet portion (140) configured for engagement with a second ratchet portion (146) that is disposed on the inner body assembly (122). When the outer body assembly (134) is torqued, the outer body assembly transmits the torque to the inner body assembly (122) from the first ratchet portion (140) to the second ratchet portion (146) to threadably engage the retaining body (116) onto the service port (14). When there is a preset amount of torque resistance, the first ratchet portion (140) slips with respect to the second ratchet portion (146) such that no additional torque is transmitted to the inner body assembly (122) from the outer body assembly (134).

Abstract: A tank cap includes: a synthetic-resin cap body (20) mounted on a fuel supply port cylinder (18) of a conductive fuel tank, (T); a conductive cap shell (22) coupled to an upper part of the cap body (20); and a gasket (23) provided in the cap body (20) and in close contact with a sealing surface (18a) of the fuel supply port cylinder (18). The cap body (20) and the cap shell (22) are linked to be mutually rotatable. A ratchet mechanism (35) is mounted between the cap shell (22) and the cap body (20). An elastic contact piece (38) elastically and slidably contacting an inner peripheral surface of a cylindrical peripheral wall (22a) of the cap shell (22) is integrally projectingly provided on an outer periphery of the gasket (23). Thus, it is possible to cause static electricity carried by an operator to escape to a fuel tank through the gasket.

Abstract: A container cap and seal assembly comprises a container base, a cap and a seal engagable with the container base. The seal is held on the cap when the cap is initially installed on the base. When the cap is subsequently opened, the seal disengages from the cap and remains on the base. The seal may then be manually removed and re-installed on the base as desired. The container assembly may be used to contain pastes, liquids and other flowable materials.

Abstract: A fluid reservoir assembly having a pan defining a drain opening and a plug disposed therein is disclosed. The pan includes a pair of ramps disposed on an inner surface thereof adjacent the drain opening. The plug includes a pair of wings in engagement with the ramps. The ramps increase in height relative to the inner surface of the pan along a first direction of rotation about the central axis. The plug is drawn into sealing engagement with an outer surface of the pan by rotating the plug in the first direction of rotation about the central axis thereby moving the wings up the ramps. The pan includes at least one stop to prevent over-rotation of the plug. The ramps define a recess to secure the wings in a closed position.

Abstract: A water bottle adapter (6) fits securely onto a water bottle (1) which is used to isolate the water within the bottle from a common water supply. The adapter (6) is fastened to a mating device by means of a threaded neck (7). The neck (7) includes two longitudinal tensioning ribs (37) that promote a retaining function between the neck (7) and any device that has been affixed to the neck (7). A pressure relief valve (13) having a valve stem (14) is formed within the lid (8) of the adapter (6) to permit the escape of air from the bottle (1) when in use. A series of ribs (19) is formed within a bore containing the valve stem (14) to dampen noise produced by the operation of the valve (13).

Abstract: A storage container device that is sealed to provide a controlled atmosphere to protect stored items from moisture and/or oxygen. Such a storage container device includes a storage container and a lid, where the lid is sized to be secured to the storage container, either through compression fit, threaded attachment, or a combination thereof. The lid further includes a valve that can be secured to a vacuum pump to evacuate the fluid contents of the container. Additionally, the valve may be used to introduce an inert gas, such as argon or nitrogen, into the container to preserve its contents. A plurality of storage container devices may be stackable, and a spacer may be used to facilitate stacking if the location of a valve would otherwise impede stacking.

Abstract: The present invention relates to a closure arrangement on a tank (1) of a hand-held working tool driven by a power unit, said tank containing an operating fluid of the hand-held working tool. The closure arrangement comprises a filler neck (10), defining an opening (2) in the tank (1) for filling of operating fluid, and a closure cap (20), for closing of the opening (2). The closure cap (20) is arranged to be brought from an opened position, wherein the closure cap (20) is separated from the filler neck (10), towards a closed position, wherein the closure cap (20) is tightened to the filler neck (10). The filler neck (10) has a first closure element (12) and the closure cap (20) has a second closure element (22), which first closure element (12) and second closure element (22) are arranged to interact with each other, in such a way that the user receives an indication when the closure cap (20) reaches the closed position.

Abstract: A seal shipping system includes a seal having an outer diameter surface and an inner sealing lip. A sleeve member having a cylindrical body and a radially extending flange extending from the cylindrical body engages the inner sealing lip. An annular collar surrounds the radially extending flange of the sleeve member and frictionally engages the outer diameter surface of the seal.

Abstract: A closure assembly for a container including an internally-threaded annular flange, an externally-threaded closure plug that is received by the annular flange, and an annular gasket positioned between the annular flange and the closure plug for establishing a sealed interface. The container includes a container end panel that is formed over and around a portion of the annular flange and provides an inner axial wall that is positioned between the annular flange and the annular gasket. The clearance between the closing plug and the inner axial wall relative to the size of the annular gasket determines the degree of radial compression of the annular gasket as the plug is threaded into the flange. A radial lip of the plug is designed to contact an upper surface of the container end panel that is formed over the flange as a visual indication when the required tightening torque of the plug within the flange has been reached.

Abstract: A closure assembly for a container including an internally-threaded annular flange, an externally-threaded closure plug that is received by the annular flange, and an annular gasket positioned between the annular flange and the closure plug for establishing a sealed interface. The container includes a container end panel that is formed over and around a portion of the annular flange and provides an inner axial wall that is positioned between the annular flange and the annular gasket. The clearance between the closing plug and the inner axial wall relative to the size of the annular gasket determines the degree of radial compression of the annular gasket as the plug is threaded into the flange. A radial lip of the plug is designed to contact an upper surface of the container end panel that is formed over the flange as a visual indication when the required tightening torque of the plug within the flange has been reached.

Abstract: A plastic gas cap having a cap element with a plastic skirt having an inner skirt diameter and including ring retaining tabs extending inwardly from the inner skirt, a plug element having a flange at one end sized and shaped to fit within the plastic skirt and past the ring retaining tabs; and a plastic retaining ring having an outer ring diameter and being secured between the flange and the tabs to secure the plug element in the cap element by an interference fit within the inner skirt diameter which reinforces said plastic skirt and makes it more rigid.