Abstract: A resealable can end is provided including a neck member and hat member which can be sealed onto and removed from the neck member of the end, and is capable of containing product under pressure if desired. This end can be added, as by a conventional seam, to a metal container body to obtain resealing containment of partial contents retained in the container, and to provide an improved mouth construction (or pour opening) for better pouring and for comfortable direct drinking from the container. Also disclosed are improved methods of and apparatus for making such a resealable hat and neck type of container end.

Abstract: A container assembly includes a container member having an open end, and a lid threadably engagable with the container member for closing the open end of the container member. A locking member is provided on the lid which is engagable with a latch member located on an upper surface of the container member. The locking member is pivotable about a horizontal axis and prevents rotation of the lid with respect to the container member when the locking member is engaged with the latch member. A seal is provided between the lid and the container member. The seal is located between tapered wall members of the lid and the container member such that the seal is gradually compressed as the lid is threadably secured to the container member. The configuration of the lid and the container member, along with the seal, presents a torturous path for fluid movement, thus effectively sealing the container assembly.

Abstract: A fuel cap which is to be attached to a filler neck which is open for a fuel supply has a closure which is to be fitted to the filler neck and which is made of a resin, and a shell which covers an upper part of the closure and which is made of a resin. The shell is formed by an electrically conductive resin material which has a surface resistance of 10.sup.11 .OMEGA. or less, or has a volume resistance of 10.sup.11 .OMEGA..multidot.cm or less, and a discharge rib portion is integrally formed on the inner peripheral face of the shell. In a state where the fuel cap is attached to the filler neck, the distance between the discharge rib portion and the filler neck or the body of an automobile is 3 mm or less.

Abstract: A dispenser or shaker is used to store and dispense powdery or granular substances, and a sealing device for the shaker forms a seal against the escape of the substance between the lid and the shaker body. The lid can be placed around the mouth of the shaker body, and they can be rotated relative to one another to "lock" the lid onto the shaker body. The lid contains a number of dispensing holes through which the powdery or granular substance contained within the container body may be dispensed. The sealing device is located within the sealing lid, and provides a seal between the lid and the container body to prevent the powdery or granular substance from being ejected from the space between the sealing lid and the container body. The sealing device includes an inner and an outer ring made of materials that allow effective mounting of the device within the lid and formation of an effective seal, yet that provide for easy removal of the sealing device for cleaning.

Abstract: A fuel tank cap structure which enables a cover member to be readily attached to a casing body. The fuel tank cap includes the casing body and the cover member that is rotatable in one direction relative to the casing body via a ratchet mechanism when a torque of or above a predetermined level is applied to the cover member. The cover member has fitting projections that are held by an outer ring member of the casing body. The outer ring member has a plurality of slits, which cause the outer ring member to be elastically deformed when riding over the fitting projections, thereby facilitating the engagement of the fitting projections with the outer ring member.

Abstract: A cap assembly for sealing a spout of a container, the cap assembly comprising:a) a cap including:1) a top wall formed with a plurality of vertical holes; and2) a skirt that is suspended from the top wall so that the vertical holes in the top wall form respective shelves extending laterally near a boundary region between the top wall and the skirt; andb) a gasket that is mounted on an inner side of the top wall, the gasket having:1) a body adapted to seal the spout of the container; and2) a plurality of ears, the ears extending laterally outward from the body, spaced from each other along a circumference of the body, corresponding to the respective vertical holes in the top wall, and supported by the respective shelves.

Abstract: A fuel cap structure which enables part of a flange member to be readily broken when an external force is applied via a cover member in any direction. A fuel cap includes a casing body and a cover member attached to the flange member formed on the upper portion of the casing body. The flange member includes a joint member to join the upper portion of the casing body with an outer ring member, in which the cover member is fitted. The joint member has fragile portions including notches. Each fragile portion starts a break of the joint member when an external force is applied to the flange member via the cover member in a variety of directions.

Abstract: A closure assembly for a shipping and storage drum where the drum includes an internally threaded plastic outlet for receipt of the closure assembly includes a plastic closure having a generally cylindrical main body portion which is externally threaded and which constitutes the leading edge of threaded engagement into the outlet. Disposed at the upper end of the main body portion and integral therewith is an annular, peripheral flange the underside of which is shaped with an annular groove which is designed to receive an elastomeric gasket. The annular groove has an outwardly inclined outer wall and a generally cylindrical inner wall. The gasket is held in position as part of the closure by an interference fit between the inside surface of the gasket and the inner cylindrical wall of the groove. The plastic outlet of the shipping and storage drum includes a generally cylindrical raised rib and outward thereto and concentric therewith a generally cylindrical raised wall.

Abstract: A gasket for a crown cap to be used on a carbonated beverage, especially a twist-off crown or for a bottle which is to be pasteurized, is formed of a thermoplastic material, which is preferably free of polyvinyl chloride, and which contains a hydrogenated copolymer of styrene and a conjugated diene, or a functionalized derivative thereof. The material is resistant to heat, and provides a gasket with advantageous sealing properties.

Abstract: The combination of a reusable lid and a container, the lid being provided with external threads and the container being provided with internal threads adjacent its upper end for mating with said external threads. The lid is assembled to the container by engagement of the external and internal threads on the lid and container respectively. Preferably the lid has a sealing ring disposed adjacent to the underside of an outer peripheral ledge for engagement with a selected portion of the container, so as to tightly seal off the contents of the container. A latch element is formed on the lid for engagement with a cooperating catch element formed on the container. The latch element prevents removal of the lid from the container until the latching element is released from the catch element.

Abstract: An insulated container and cover construction comprises an outer container shell (24) terminating in an opening (26) having a surrounding edge (28), an inner container shell (30) nested within the outer container shell (24) and having an opening (32) surrounded by a continuous edge (34) in abutment with the surrounding edge (26). The inner container shell (30) is otherwise spaced inwardly and generally out of contact with the outer container shell (24). A cover mounting assembly 49, 52 is mounted on the outer container shell 24 adjacent the opening 26. A single seal ring (38) of elastomeric material has a first sealing surface (42) disposed at the interface of the shells 24, 30 and the cover mounting assembly 49, 52 to seal the same and a second inwardly facing sealing surface (48) overlies the opening (32) of the inner container shell (30).

Abstract: A threaded closure assembly includes a first member having an outer surface including a first outwardly directed thread, and an inner surface including a second inwardly directed thread. A unitary closure member for covering an access opening in the first member includes a first inwardly directed thread engageable with the first outwardly directed thread on the first member, and a second outwardly directed thread engageable with the second inwardly directed thread on the first member. A locking mechanism is provided between the closure member and the first member for permitting rotation of the closure member in a first direction, and preventing rotation of the closure member in a second opposite direction. A third set of threads may be provided between the first member and the closure member. The first member can be an open head container, with the closure member formed as a one-piece lid. The threads between the first member and the closure member are synchronized.

Abstract: The invention relates to a fuel tank presenting a tank body having a neck about an axis, the neck being extended by a region of section smaller than that of the neck, a plate, and a nut screwed onto the neck of the tank, an annular housing for a gasket being defined by a top edge of the neck, a bottom edge of the plate, an outer cylindrical plate of the annular region, and an inner cylindrical face of the nut, the gasket having a top edge, a bottom edge, an outer edge, and an inner edge, and the tank being made of plastics material. In section, the gasket has a profile that is elongate parallel to said axis.

Abstract: The invention relates to a monolayer or multilayer long-life packaging containing an anethole-based alcoholic or non-alcoholic drink, characterized in that the layer in contact with the said drink is formed of a methyl acrylate/acrylonitrile/butadiene terpolymer.The invention also relates to a process intended to limit the degradation of an anethole-based alcoholic or non-alcoholic drink, in particular one which is low in alcohol or alcohol-free, characterized in that the said drinks are stored in a monolayer or multilayer long-life packaging whose layer in contact with the said drinks consists of a methyl acrylate/acrylonitrile/butadiene terpolymer.

Abstract: The top (2) of a sheet metal container (1) for the transportation and storage of liquids has a central fill opening (3) which is edged by a neck (5) which is perpendicular to the top surface (4) of the container. A plastic or metal ring (6) with an external thread (7) is pressed down against the top surface (4) by the upper edge (8) of the neck (5). The neck is swaged outwardly. The threaded ring (6) is protected against rotation by form-fit connections on the neck (5). A plastic screw cap (11) into which a disc-shaped insert (12) of special steel is pressed, is screwed onto the threaded ring (6). Between the outside edge (13) of the cap insert (12) and a ring projection (14) of the latter, an annular groove (15) for holding a gasket (16) is molded into the insert, and by this gasket (16) the screw cap (11) is sealed against the upper edge (8) of the neck (5).

Abstract: In a coke drum an outlet arrangement is provided which allows removal of the coke from the drum without endangering the health or safety of workers heading or unheading the coke drum. Instead of using a manually removable bottom flange for the drum, a semiautomatic bottom flange removal system is provided. A spool is attached to the conventional, pre-existing, about 6 feet in diameter drum stationary bottom flange. The spool includes a tapered clamping surface. A new style removable bottom flange also includes a tapered clamping surface. The tapered clamping surfaces cooperate with clamp ring sectors movable by externally mounted hydraulic cylinders into contact with the spool and the flange, and other hydraulic cylinders mounted directly on the ring sectors move male locking surfaces into locking engagement with cooperating female locking surfaces formed on adjacent clamp ring sectors.

Abstract: A bung is provided for sealing an opening in a pressure vessel. The bung includes an annular body portion and a flange extending radially outwardly for one end of the body. In one embodiment the flange includes an inner inclined surface adjacent the annular body portion. In an alternate embodiment, the vessel includes an inclined or angled engagement surface adjacent the vessel opening. A gasket is provided between the flange of the bung and the engagement surface adjacent the vessel opening. The inclined surface of the bung and/or the vessel urges the gasket radially inwardly upon the bung being threaded into the pressure vessel opening.

Abstract: A filler neck closure cap includes a closure body, a handle coupled to an axially outer flange of the closure body, and an O-ring sealing gasket carried on an axially inner end of the closure body. The cap further includes closure retainer apparatus appended to a middle portion of the closure body to lie in fixed immovable relation to the middle portion. The closure retainer apparatus is configured to engage the filler neck to block removal of the closure body from the filler neck upon installation of the cap in the filler neck.

Abstract: A cap is provided for use in the filler neck of a tank. The cap includes a handle, an o-ring sealing gasket, and a closure body including an upper body portion coupled to the handle and a lower body portion rotatably coupled to the upper body portion for rotation about an axis of rotation. The o-ring sealing gasket is mounted on the lower body portion for movement therewith.

Abstract: A twist-off can end assembly includes a cylindrical can body having an open end with a rolled flange extending around an exterior surface of the can body at the open end and a shoulder portion joining the open end with side walls of the cylindrical can. A collar surrounds the exterior surface of the can adjacent the open end, the collar including a can mating finish of an inner surface thereof and a closure engaging finish on an outer surface thereof. The collar is seated against the exterior surface of the open end between the rolled flange and the shoulder portion of the can body. A cylindrical closure is provided having a dependent peripheral skirt for operatively engaging the closure engaging finish of the collar. A lid member is secured to the open end of the cylindrical can body by a lid engaging portion of the cylindrical closure.

Abstract: A water bottle for use in a humidifier is disclosed. The water bottle includes a bottom wall, a top wall and a circumferentially extending side wall extending between the bottom wall and top wall. A selective water dispenser, generally in the form of a water bottle dispensing cap, is mounted over a water dispensing opening formed in one of the walls of the water bottle. An air seal is provided for a water filling opening that is formed in one of the walls of the water bottle. The air seal, independent of a water seal, utilizes negative pressure differential in the water bottle that is generated during the dispensing of the water through the water dispensing opening to provide a vacuum air seal for the water filling opening independent of the pressure that may be required to complete the water seal for the water filling opening.

Abstract: A fuel cap and filler neck fitment for receiving the fuel cap. The fuel cap includes an outer member and an inner closure assembly with seal. The cap and fitment both include lugs which interengage when the cap is moved into a closing position to pressurize the seal determined by an improved overriding ratchet arrangement. During removal of the cap, the outer member moves against a spring action for a predetermined arc before the inner closure assembly is moved to disengage the seal. When the seal is disengaged, the spring action takes up the relative motion. Once removed, the cap is retained by an improved tether assembly. The outer member is connected to the inner annular assembly by an improved structural arrangement which allows the outer member to separate under crash impact.

Abstract: A closure assembly for attachment to a vessel having an opening ring of a vessel and a closing cover cooperating with the ring and including a large diameter base end attached to the vessel and a small diameter ring end to receive a removable cover thereover. The cover end includes a plurality of spaced inwardly protruding locking lugs having a lower surface slightly inclined and the cover includes a perimeter ring flange, having a first downwardly depending skirt spaced closely adjacent and inwardly from the ring locking lugs and a second downwardly depending skirt spaced outwardly therefrom. The first skirt has outwardly protruding locking lugs spaced downwardly from the ring flange and having a slightly inclined upper surface to wedgingly mate with respective lower surfaces of the ring locking lugs. The cover has an interior surface between the first and second skirts and a D-ring seal located between the flanges on the interior surface for contacting and being compressed by the small diameter ring end.

Abstract: A molded cap is disclosed having a sealing ring groove just below the cap handle in order to seal crank case gases in an internal combustion engine. The cap includes two spiral grooves for engaging a respective protrusion formed on the inner annular surface of an oil fill snout which receives the cap. A recess is formed at the end of each spiral groove for receiving a respective protrusion to lock the cap into the oil fill snout. The oil fill snout has a draft angle to provide an outside vertical force component on the cap and sealing ring. The vertical force locks the protrusions into the respective recesses and provides a positive sealing force to the sealing ring when the cap is twisted into the snout and into the closed position. The two spiral grooves increase the resistance to back out and create symmetric force components. At the entrance of each groove, a lead-in angle is used to free the cap from the cover by continuing to turn the cap in a counter-clockwise motion.

Abstract: A closure assembly for a shipping and storage drum where the drum includes an internally threaded plastic outlet for receipt of the closure assembly includes a plastic closure having a generally cylindrical main body portion which is externally threaded and which constitutes the leading edge of threaded engagement into the outlet. Disposed at the upper end of the main body portion and integral therewith is an annular, peripheral flange the underside of which is shaped with an annular groove which is designed to receive an elastomeric gasket. The annular groove has an outwardly inclined outer wall and a generally cylindrical inner wall. The gasket is held in position as part of the closure by an interference fit between the inside surface of the gasket and the inner cylindrical wall of the groove. The plastic outlet of the shipping and storage drum includes a generally cylindrical raised rib and outward thereto and concentric therewith a generally cylindrical raised wall.

Abstract: A venting container prevents the incursion of contaminants and water during the breathing of the contents and has a central body received in a collar in the top wall of the container and adapted to accommodate a filter element. The central body is secured to a cover which is provided with break-away means signalling improper opening of the container and with a protective cap turned toward the interior thereof.

Abstract: A container for storing hazardous waste material, particularly radioactive waste material, consists of a cylindrical body and lid of precipitation hardened C17510 beryllium-copper alloy, and a channel formed between the mated lid and body for receiving weld filler material of C17200 copper-beryllium alloy. The weld filler material has a precipitation hardening temperature lower than the aging kinetic temperature of the material of the body and lid, whereby the weld filler material is post weld heat treated for obtaining a weld having substantially the same physical, thermal, and electrical characteristics as the material of the body and lid. A mechanical seal assembly is located between an interior shoulder of the body and the bottom of the lid for providing a vacuum seal.

Abstract: A reusable collapsible container includes a bottom wall and a relatively flexible, peripheral side wall extending upwardly from the bottom wall, the side wall movable between axially extended and collapsed positions. The side wall includes lower and upper relatively thicker portions and an intermediate relatively thinner portion, and the upper portion joins with an annular rim adapted to receive a removable cap. The intermediate side wall portion is tapered radially inwardly and downwardly, and the lower side wall portion is tapered radially outwardly and downwardly substantially to the bottom wall, such that in a collapsed position, the lower side wall portion is partially telescoped within the upper side wall portion, with the intermediate portion reverse folded therebetween.

Abstract: A container and associated cap assembly includes a container body having an open upper end defined by an annular rim, the rim having a substantially horizontal uppermost edge surface and a radially outwardly and downwardly extending bevelled surface. The cap has a top wall, a radially outer depending skirt portion and a radially inner depending skirt portion. The skirt portions are connected radially by an internal cap surface which includes a first substantially horizontal surface portion extending radially away from the radially inner skirt; a second downwardly and outwardly inclined sealing surface portion, and a third radiused surface portion connected to the radially outer skirt. The second downwardly and outwardly inclined sealing surface is sealingly engageable with the bevelled surface of the annular rim such that the substantially horizontal uppermost edge surface is axially spaced from the cap top wall upon full threaded engagement between said cap and said container body.

Abstract: A vent-valve assembly is provided for use in a filler neck fuel cap. The vent-valve assembly includes a valve housing, a vacuum-relief valve subassembly which is spring-biased within the housing to channel ambient air and fuel vapor through the valve housing, and a pressure-relief valve subassembly which rides upon the vacuum-relief valve subassembly. The vacuum-relief valve subassembly includes a vacuum-relief spring and a vacuum-relief valve. The vacuum-relief valve has a valve member which rests upon the vacuum-relief spring and guide legs which depend from the valve member around the vacuum-relief spring. Flanges or feet extend out from the guide legs and engage the valve housing when the pressure-relief valve subassembly is removed from the housing. Thus, the valve housing and vacuum-relief valve cooperate to form an easy-to-assemble, self-contained, vent-valve assembly.

Abstract: A quick-on cap includes a closure body for engaging a filler neck and a handle for rotating closure body. Cap also includes a control mechanism for initially providing a lost-motion driving connection between closure body and handle during cap removal and always providing a direct-drive driving connection during cap installation.

Abstract: A filler neck cap is provided for closing a threaded filler neck of a tank. The cap includes a housing having threads for engaging the filler neck, a seal for sealingly engaging the filler neck upon rotation of the housing in a first direction, and a handle for rotating the housing relative to the filler neck. The handle includes a top wall and an appendage directly appended to the underside of the top wall and cantilevered downwardly therefrom at a point spaced apart from the axis of rotation of the handle. The cap further includes a delayed actuation mechanism for providing a lost-motion driving connection between the handle and the housing. The delayed actuation mechanism includes an annular ring engaging the housing and a driven lug appended to the annular ring. The driven lug engages a terminal portion of the appendage during rotation of the handle about its axis of rotation to provide the driving connection between the handle and the housing.

Abstract: A reusable collapsible container includes a bottom wall and a relatively flexible, peripheral side wall extending upwardly from the bottom wall, the side wall movable between axially extended and collapsed positions. The side wall includes lower and upper relatively thicker portions and an intermediate relatively thinner portion, and the upper portion joins with an annular rim adapted to receive a removable cap. The intermediate side wall portion is tapered radially inwardly and downwardly, and the lower side wall portion is tapered radially outwardly and downwardly substantially to the bottom wall, such that in a collapsed position, the lower side wall portion is partially telescoped within the upper side wall portion, with the intermediate portion reverse folded therebetween.

Abstract: A cap assembly closing off the filler tube of a cylindrical fuel tank. The filler tube has an annular shoulder defining an inlet opening for the tube. An annular elastomer seal seats within a groove indented downwardly in this shoulder. A spring-biased closure member in a fuel cap seats against this seal. A dust seal is provided in the cap assembly. Roll pins provide a snap acting closure system in the cap assembly.

Abstract: A sealed container includes a base jar for containing a substance and a removable lid for closing and sealing the base jar. The base jar includes a bottom wall, a side enclosure extending upwardly from the bottom wall having an upper portion with a screw thread, and an upper wall extending inwardly and upwardly from the upper portion of the side enclosure having a circular brim which defines a wide mouth opening for the base jar. The removable lid includes a top wall and an encircling member extending downwardly therefrom with a screw thread which matingly engages with the screw thread of the upper wall of the base jar. For sealing with the base jar, the removable lid also includes a circular projection extending downwardly from the lid which engages and seals with the circular brim.

Abstract: A plastic blow molded containr and lid combination wherein the double-walled lid is screwed to the top of the container and a parallel pair of horizontal recesses are provided on opposite sides of the container wall for receiving forks of a forklift for lifting and otherwise manipulating the container with a conventional forklift. The bottom of the container is also provided with forklift access recesses for lifting and manipulating the container from the bottom with a conventional forklift. The underside of the lid is provided with a protrusion for engaging the upper end of a salvage drum within the container to confine the drum between the top and bottom of the container. An override lid lock mechanism is provided to prevent the lid from accidentally unthreading itself. In addition, central portions of the bottom of the container are recessed upwardly with respect to perimeter portions of the container bottom so that the container in an empty condition will stably rest on a surface without easily tipping.

Abstract: A closure for the filler pipe of a tank, comprises a gasket mounted in a gasket housing and arranged to engage with a flange on an end of a filler pipe, a cap stem coupled to the gasket housing for relative angular movement about the axis of the filler pipe and having a central portion adapted to project into the filler pipe. A clamp ring carries a pair of clamping lugs adapted to pass through cut-outs in the flange and, after angular movement, to engage under the flange. A spring acts between the stem and the clamp ring to urge the clamping lugs into engagement with the flange. A cam acts between the clamp ring and the gasket housing to hold the clamping lugs out of engagement with the flange until the clamp ring is at a predetermined orientation relative to the gasket housing. A locking ring couples the stem to the clamp ring.

Abstract: An over-pack container for an industrial drum has a body portion with an outwardly extending flange thereon that has a flat outer surface of a polygonal shape and an inwardly extending upper lip that terminates as a downwardly depending leg with threads on the inner surface thereof. A hollow lid has a circular member with threads on the outer wall which engage with the threads of the leg of the body portions, and an outwardly extending portion having a lower sealing surface that engages the lip of the body portion, with upwardly spaced projections about the periphery of the lid.

Abstract: A vent filter assembly may be disposed in a wall of a sealed waste container containing radioactive waste or the like and utilized for venting gases. The vent filter includes a housing coupled to the container. The housing includes a first opening communicating with an interior of the container and a second opening communicating with an exterior of the container. The housing defines a gas flow path between the first and second openings. A filter is coupled to the housing and disposed across the gas flow path such that gas flowing between the openings flows through the filter. The filter includes a porous metal hydrophobic filter medium. The components of the assembly may be fabricated from materials that are durable and resistant to deterioration due to elements stored within the container, as well as environmental elements. Further, the components may be fabricated from the same or similar materials or materials which are compatible with one another.

Abstract: The present invention provides a hatch apparatus comprising: (a) a non-metallic base having a base flange which is connectable to a container flange by bolting and (b) a non-metallic lid which is threadedly connectable to the non-metallic base. The inventive hatch apparatus can also include a pressure relief device associatable with the non-metallic lid. In one embodiment, the non-metallic lid comprises a single lid member. In a second embodiment, the non-metallic lid comprises two lid members. The inventive hatch apparatus is highly corrosion resistant and convenient to use.

Abstract: To permit a container and a cap to remate with each other during resealing without fouling by solid debris such as small particles without exceptional preparations to withstand the deteriorating effects of corrosive materials and solvents and to consistently and quickly form a gas-tight seal, the container has a flat angled surface and the cap has cooperating edge that engages the flat surface in a closed line when the cap is fully inserted with a solid closed surface within the line, the closed line having a width perpendicular to its length within a range of 0.5 millimeters to 1.5 millimeters. The cap is closed by screw threads or the like that force the cooperating surfaces together with a pressure of at least 100 psi at an angle of between 75 degrees and 105 degrees.

Abstract: A fuel closure assembly is especially useful in multi-layer fuel tanks. An opening in a fuel tank wall having an externally threaded nipple forms a planar sealing surface. An seal is centered about a radial surface of the nipple. A plate closes the opening and is retained in position by a threaded ring.

Abstract: A container (10) of the type having side walls and top and bottom ends, the top end (2) including an access hole 4 surrounded by an upstanding neck (5) adapted to receive a suitable closure, wherein the neck is integrally formed from the material of the top end. There is also provided a closure (12) comprising a cap having a top (13) and a skirt (15) extending downwardly therefrom, the skirt having an internal thread (12a) to engage the external thread of the neck, wherein the top (13a) of the cap is formed in a concave shape, the opposite surface (13b) being convex and extending downwardly towards the interior of the cap.

Abstract: Bottle gaskets are provided from a thermoplastic composition comprising a homogeneous blend of butyl rubber with other thermoplastic polymer. The gaskets provide an effective seal at a moderate pressure but permit venting at a higher pressure. They can be made by inserting molten heated thermoplastic material into the bottle cap and moulding it in the cap and cooling it to form the gasket.

Abstract: A container with a plug is described, with at least one plug hole, sealable n a liquid-tight manner by means of the plug. The container with plug is characterized by the plug hole surrounded by a collar made from the material of the container, the collar having at least one locking element to secure the plug, and having a sealing surface provided thereon, between which surface and the plug a sealing element for sealing the plug hole tightly is insertable.

Abstract: An insert for a nursing bottle is disclosed. It is placed between the bottle and the nipple. The insert has a channel that communicates with the air passage holes in the nipple. The channel itself has air passage holes that are sized to allow air into the bottle but prevent the liquid in the bottle from exiting. This arrangement prevents the creation of a vacumn in the bottle when the liquid exits through the nipple.

Abstract: The present invention is directed to a cap assembly for screwing into an opening of a reservoir for storing a fluid therein. Around the cap, formed is a sealing groove in which a sealing member is disposed. The sealing member has a sealing portion which extends toward the inner periphery of the opening, and a pair of contacting portions which extend axially toward each inner side of the sealing groove in spaced relationship with each inner side of the sealing groove by a predetermined clearance respectively. The sealing member is formed around the periphery thereof with grooves for allowing the sealing portion and contacting portions to be deflected in response to a sliding motion of the sealing member when the cap assembly is screwed into the opening.

Abstract: A reservoir tank includes a tank body storing an amount of operating fluid and having an inlet, a cap detachably mounted on the inlet of the tank body, a deflector secured to the cap so as to be located in the inlet and having a first passage which is in fluid communication with the atmosphere and a second passage which is in fluid communication with an inner space of the tank body, a diaphragm located between the cap and the deflector and having a slit valve which is set to be opened by a pressure difference thereacross, and an interruption body located between the deflector and the diaphragm so as to oppose to the second passage of the deflector and having a passage which enabling the fluid communication between the second passage of the deflector and the slit.

Abstract: A cap with valve includes a cap body 1, a flange portion 5, and a gasket 11. The cap body 1 has an external threaded portion 2 for threadedly engaging a fuel supply inlet. The flange portion 5 extends outwardly in the radial direction from an upper portion of the cap body 1. The annular gasket 11 has a substantially circular cross-section, and is disposed on a sealing surface of the flange portion 5. This gasket 11 has a projecting portion 15A in contact with flange portion 5 and this projecting portion extends along the entire circumference of the toroidal gasket 11. The projecting portion 15 A absorbs surface irregularities on flange portion 5 thus eliminating the need for additional manufacturing steps, such as grinding, thereby reducing the manufacturing cost of the cap with valve.

Abstract: A container system for beer formed of a bottle body, a cap and sealing gasket formed of a blend of butyl rubber and one or more thermoplastic polymers. Preferably, the butyl rubber is present in an amount of from about 20 to about 60% by weight of the composition and the one or more thermoplastic polymers are present in an amount from about 40% to about 80% by weight of the composition. The system provides good sealing properties and prevents oxygen, and chlorinated substances such as chlorinated phenols or anisoles, that may be present in the packaging, from entering the bottle.