Abstract: A thermodynamic valve for retaining vapours and gases and relieving pressure and vacuum for use in the venting of tanks or reservoirs of combustible liquids (fluids), said valve comprising: upper diaphragm ring (3a) and lower diaphragm ring (3b) that act through the thermodynamic action of the positive and negative pressures inside positive pressure (4) and negative pressure (5) chambers fixed to one another, a cap (2) screwed on the body of positive pressure chamber (4) and having upwardly directed lateral openings and a rupture seal (1) fitted in the upper section of cap (2). A base (5.1) with an inner fire-break fabric (6) is positioned on the inner lower section of negative pressure chamber (5) and connected to the fuel tank venting pipe.

Abstract: A closure cap for an operating medium tank is provided with a closure device projecting into a fill socket of the operating medium tank. The closure device has a first cap element, a second cap element, and a sealing ring arranged between the first and second cap elements. A lifting assembly axially moves by an axial travel the first and second cap elements relative to each other for opening and closing the fill socket. The lifting assembly has a pressure member acting axially on one of the first and second cap elements. A grip member is provided that is rotatable about a hub and actuates the lifting assembly. A cover disk covering at least partially the fill socket relative to an exterior is connected fixedly to the pressure member of the lifting assembly. The cover disk rotates, together with the pressure member, about the hub.

Abstract: A motor assembly of the present disclosure improves a combined structure between an impeller and a rotor to more firmly combine them. Furthermore, the impeller is combined with a rotor shaft without deformation, so the durability of the respective components may be improved.

Abstract: A non-negative pressure radiator cap is provided and includes a pressure valve having a pressure member, disposed inside a body while having an aperture formed therein. The pressure member is pressed based on an increase in pressure of coolant to move coolant toward a reservoir tank. Additionally, a vacuum valve that includes a head part and a neck part moves vertically based on the pressure of the coolant to open or close the aperture. The neck part passes through the aperture from bottom to top. A sealing member is disposed between the pressure valve and the vacuum valve and has an insertion aperture that is formed at a position corresponding to the aperture of the pressure valve. A retainer is further inserted into the aperture and the insertion hole and a guide directs the vacuum valve to move vertically when the vacuum valve is opened or closed.

Abstract: Stackable drinkware includes a mouth having a mouth diameter and a maximum cavity diameter, wherein the mouth diameter is less than the maximum cavity diameter. The drinkware includes a vessel having a closed bottom and open top, and a chute including an open bottom and open top, wherein the open bottom of the chute is coupled to the open top of the vessel. A sealed vessel or chute pre-filled with fluid may be provided, which may be opened and coupled to a mateable chute or vessel, respectively.

Abstract: In a reciprocating sealing device sealing two members by mounting a packing to a mounting groove in one of two relatively reciprocating members, and bringing the packing into contact with the other member, the packing is provided with an annular base part, a stationary side lip, and a sliding side lip. A back ring having a lower hardness than the packing is interposed between the annular base part and a groove side surface of the mounting groove. The back ring forms a space region in relation to the other member. The annular base part is provided with a shape that the annular base part does not protrude out of an extension of a peripheral surface of the sliding side lip in a free state by forming a cross sectional shape of a heel part into a circular arc shape or a taper shape.

Abstract: A lockable pipe cover includes an inner cap and an outer cover which are selectively coupled together for axial rotation. When the cap is locked, the inner cap and the outer cover are free to rotate independently from one another thus rotation of the outer cover will not remove the cap from the pipe. In the unlocked position, the inner cap and the outer cover are coupled for rotation and thus rotation of the outer cover results in rotation of the inner cap.

Abstract: There is provided a sealing material for a thin plate member which eliminates the need to form seal grooves as in prior art when applied to a thin plate member such as a cell of a secondary battery such as a redox flow battery, a fuel cell and a lead storage battery, and which provides satisfactory sealing and can compactify and reduce in weight a device to be used and facilitate assembling with reduced cost as well as allowing more cells to be stacked resulting in improving fuel capacity. The annular sealing material for a thin plate member that provides sealing between thin plate members includes a lateral sealing body disposed on a lateral of the thin plate member, and a pair of sealing legs branching from the lateral sealing body in a fork shape and disposed on the front surface and the back surface of the thin plate member.

Abstract: A closure system including a filler neck, a guide socket arranged inside the filler neck, a closure cap to be introduced between the filler neck and the guide socket and which is fastenable to the filler neck and an annular seal to be received in an annular groove of the closure cap and which is secured to an inner face of the filler neck. The annular seal is arranged between the filler neck and the guide socket such that a nozzle placed between the filler neck and the guide socket does not reach thereto.

Abstract: The object of the present invention is to provide an automotive filler cap with excellent low adhesion property. The present invention relates to an automotive filler cap configured to be attached to a filler opening of an automobile, the automotive filler cap including a gasket configured to seal the filler opening by being pressed against the filler opening, the gasket being made of a composition that contains a fluororubber and a fluororesin, the fluororesin being precipitated on the surface of the gasket, the fluororesin comprising a copolymer that contains a polymerized unit based on tetrafluoroethylene and a polymerized unit based on hexafluoropropylene.

Abstract: A closure that includes a top panel and a skirt extending downwardly from a peripheral edge of the top panel is provided. The skirt terminates in a plurality of spaced thread engagement flanges for engaging the thread of the neck of a container. The closure includes a polymer-filled channel which connects the top panel to the skirt. When engaged with the threaded neck of a container, the neck is forced into the channel and engaged by the polymer so that the channel and polymer provide lateral rigidity to the neck. This rigidity prevents the neck from deflecting from the forces resulting between the threads and thread engagement lugs when the forces therebetween are increased to the level required to adequately seal the closure to the container.

Abstract: A filler neck cap is adapted to mate with and close a filler neck.

Abstract: A capless refueling system is provided which utilizes snap-in attachment of a multi-stage valve assembly within a fuel pipe. The valve assembly includes a lower body portion and a cover independent from the lower body portion. The lower body portion and the cover are configured to be lockingly adjoined to one another. The cover is adapted to be adjoined to the fuel pipe. The system is sealed at a position above the primary shutoff valve thereby eliminating the need for a spring pin support bracket.

Abstract: A fuel cap for a filler neck on a fuel tank includes a cap body having threads for engaging the filler neck when the fuel cap is installed on the filler neck and a cap handle rotatably mounted on the cap body. A clutch acts between the cap handle and the cap body to permit the cap handle to rotate freely on the cap body when the clutch is disengaged. When the clutch is engaged, rotation of the cap handle will rotate the cap body so that the user can remove the fuel cap from the filler neck to refuel the vehicle. A pressure-sensing diaphragm disengages the clutch when the pressure differential between the fuel vapor pressure and the atmospheric pressure exceeds a predetermined threshold and engages the clutch when the pressure differential between the fuel vapor pressure and the atmospheric pressure is less than the predetermined threshold.

Abstract: Disclosed herein is a detachable coupling apparatus for a midsection of a separable bottle. The apparatus is configured such that upper and lower locking portions of a bottle are detachably coupled to each other by rotating upper and lower bodies in opposite directions, the upper and lower locking portions being inclined in a coupling direction. The present invention ensures the easy coupling for the midsection of the bottle in a single operation, and prevents unexpected separation of the bottle particularly when in the coupled state, thus continuously maintaining excellent watertight performance and stability.

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 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 seal member for a dispensing cartridge includes a flat circular seal disk, a frustoconical wall extending outwardly away from the seal disk, and a ring at an open end of the frustoconical wall. The seal member is assembled with a cap having an end wall and a cylindrical skirt wall. The skirt wall has an internal diameter and the ring has a slightly smaller outer diameter. The ring abuts the end wall. A central opening extends through the end wall with a diameter no larger than a ring inner diameter. The dispensing cartridge has a cylindrical mouth wall with inner and outer diameters. The skirt wall has an internal diameter sized to receive the mouth wall outer diameter and the diameter of the seal disk is larger than the mouth wall inner diameter. The ring outer diameter is at least equal to the mouth wall outer diameter.

Abstract: A closure cap for the filler neck of a reservoir, in particular, one for fuel or motor oil for e.g. motor vehicles, comprising a grip and a rotating lifting device whose first part (sealing part) facing the grip is provided with a sealing ring and whose other part (tightening part), which faces away from the grip and which is provided with detent lugs serving to engage under a closure cap of the filler neck, can be turned relative to the filler neck when the closure cap undergoes a turning motion. The other part (tightening part) can, when the grip undergoes a turning motion, be axially displaced relative to the first part (sealing part) of the rotating lifting device against the force of a spring.

Abstract: A fuel cap is disclosed that contains a flexible hemispherical closure member which is substantially compressible and resilient with a form approximating half of a sphere. The circular face of the hemispherical sealing member is coupled to the underside of the fuel cap. Sealing of the fuel tank is obtained where the flexible member contacts the inner surface of the filler neck. The flexible sealing member includes a section of rigid tubing aligned coaxially to the axis of the fuel cap to serve as a vent tube for safety. The vent tube penetrates the flexible sealing member, and the upper portion of the vent tube penetrates the top portion of the cap. Inset into the cap top portion and covering the end of the tube section is a meltout plug. The cap may alternately include a compression washer mounted to the end of the vent tubing, for use with filler necks where the inside circumference contains a ridge.

Abstract: A cap device that closes a tank opening engages with an opening engagement element formed in a periphery of a tank opening. The cap device includes a handle mechanism that is rotationally mounted on a closer. The handle mechanism rotates the closer to close and open the tank opening. A torque mechanism is located between the handle mechanism and the closer and selectively transmits torque in the closing direction and the opening direction to the closer. The torque mechanism is constructed to prevent an engagement sound from being produced when the tank is being opened.

Abstract: An improved fuel cap and filler tube assembly for a fuel tank is provided. A spring-biased resilient and compressible closure member in the fuel cap seats inside an inlet opening of the filler tube when the fuel cap is secured to the filler tube. The filler tube includes an anti-siphon elbow.

Abstract: The present invention provides a fuel cap having a high operability while maintaining the air-tightness thereof at a necessary and sufficient level. The closure includes a closure body having a head portion, a trunk portion and an annular trunk surface having stopper projections; a seal ring; a sleeve; a coiled spring; and an engagement member having engagement projections. The fuel cap is formed by assembling the seal ring around the annular surface of the trunk portion of the closure body and the sleeve with the trunk portion in the mentioned order, interposing the coiled spring between the sleeve and engagement member, and connecting the engagement member to the trunk portion of the closure body.

Abstract: A cap structure for a radiator used in vehicle is disclosed. The cap includes a main cap body, a connector shaft, and a leak-seal seat. The main cap body includes a metallic cap body and a heat-isolation covering body joined together using screw as a body. The connector shaft is screwed onto the leak-seal seat, and the connector shaft passes through the through hole of a metallic sleeve mounted on the heat-isolation covering body. The side of the protruded rim of the connector shaft urges the end face of the sleeve and a spring is used to mount the connector shaft onto the main cap body. The heat-isolation covering body with a thickness is mounted onto the metallic cap body and two screws are used to lock the metallic cap body onto the heat-isolation covering body to form a unit, and the end side of the covering body is provided with slip-proof teeth and the metallic sleeve is mounted onto the center circular hole.

Abstract: A fuel tank fueling device for feeding fuel through the fuel passage of an inlet pipe into a tank main body is provided. The fueling device is easier to manipulate when the fuel cap is opened and closed, and also has better fuel tank sealing properties against the outside air. The fueling device includes a handle provided on a casing main body, operated to open and close the fuel passage; a sealing component interposed between the casing main body and the seat surface of the fuel inlet pipe; a spring disposed so as to urge the sealing component against the seat surface; and a cam mechanism whereby the operating force of the handle in the closing direction is converted via the spring into the sealing force of the sealing component pressing against the seat surface.

Abstract: The reservoir cap for a hydraulic fluid reservoir includes a cap plate and an integral stick, a gasket, a cup and a spring. The gasket is telescopically received on the stick and contacts a cap gasket surface on the cap plate. The cup has two radially extending ears with ramp contact surfaces and a central bore. The central bore has two spaced apart flat cup bore surfaces and cup projections that extend radially into the central bore. A coiled compression spring has one end in contact with the cup and another end in a spring retainer groove on the stick. The cup is mounted in a preliminary position on shelves on the stick. Rotation of the stick relative to the cup moves the cup off the shelves and the spring moves the cup to a working position.

Abstract: The reservoir cap for a hydraulic fluid reservoir includes a cap plate and an integral stick, a gasket, a cup and a spring. The gasket is telescopically received on the stick and contacts a cap gasket surface on the cap plate. The cup has two radially extending ears with ramp contact surfaces and a central bore. The central bore has two spaced apart flat cup bore surfaces and cup projections that extend radially into the central bore. A coiled compression spring has one end in contact with the cup and another end in a spring retainer groove on the stick. The cup is mounted in a preliminary position on shelves on the stick. Rotation of the stick relative to the cup moves the cup off the shelves and the spring moves the cup to a working position.

Abstract: A plug and sealing system for medical bayonet connectors and drug infusion ports of the type having an interior self-sealing element. A male plug removably installed in the female collar portion of the connector, before or after penetration of the self-sealing element by a puncturing needle, has a shank portion the fits the inner surfaces of the collar portion side wall to provide a substantial sealing relation therebetween to prevent contamination of the interior surfaces of the collar portion from environmental contaminants. The plug has a bottom end that is resiliently engaged on an outer face of the self-sealing element, and a pair of lugs that are resiliently biased against a top wall of diametrically opposed apertures in the side wall of the collar portion to maintain the bottom end in a firm sealing relation with the self-sealing element to prevent leakage and spreading of aerosols and vapor.

Abstract: In order to make available a tank cap with a sealing plug (13, 15; 18, 21) and a filler opening (10) in the fuel tank, which allows a simplified production and a more flexible use, it is proposed that the filler opening (10) is configured in such a way that the filler opening (10) allows the fixing of a sealing plug (13, 15; 18, 21) by means of two fixing systems or more.

Abstract: A fuel tank closure system (10) includes a filler neck (12) and a fuel cap (14) engageable with filler neck (12). Fuel cap (14) includes a closure (16), a seal (18) coupled to closure (16) to engage filler neck (12), and a spring (20). Closure (16) includes a handle (24) and a lug (34) engageable with filler neck (12). Handle (24) is adapted to move lug (34) between an engaged position securing closure (16) in an axially and a disengaged position permitting closure (16) to move between axially inner and outer positions. Spring (20) moves closure (16) relative to filler neck (12) to the axially outer position while lug (34) is in the disengaged position.

Abstract: A fuel supply apparatus having excellent operatability in opening and closing a fuel tank cap and enhanced scaling properties of the fuel tank from outside air is disclosed. The fuel supply apparatus for the fuel tank includes a casing main body detachably attached to the inlet pipe; a handle mounted on the casing main body to open and close a fuel path; a sealing member interposed between the casing main body and an inner wall of the inlet pipe; and a cam unit that presses the sealing member and expands a diameter of the sealing member with an operating force of the handle in a closing direction, so as to seal the casing main body against the inlet pipe.

Abstract: A fuel cap has an upper housing and a lower housing, each configured to be inserted into the filler neck of a vehicle fuel system. The upper housing and lower housing are cooperatively configured to allow both rotational and axial relative movement with respect to one another. A seal coupled to the lower housing sealingly engages the filler neck when the fuel cap is in a tightened position. A spring mount is coupled to the lower housing and engages a spring that is positioned to bias the lower housing axially toward the upper housing to assist in loosening contact of the seal and filler neck during removal of the fuel cap. The fuel cap further has a drive axially spacing the upper housing from the lower housing as the upper housing rotates relative to the lower housing. A cam and cam follower connection between the upper and lower housing provides the drive.

Abstract: A one quarter turn fuel cap assembly is provided with a fuel cap and a sleeve. The assembly is closed by rotation of the cap through a one quarter turn. Following rotation, a cam permits a spring disposed in the fuel cap to expand and engage a seal against a rim of the sleeve to close the assembly without rotating the seal relative to the ring.

Abstract: A vacuum pack food container is closed by releasable and reclosable sheet metal closure having a center portion defining an annular recess around an upwardly projecting integral vacuum release button with an undercut wall partially surrounded by a score line smaller than the button. The sealant material is confined within the button and has an outwardly projecting flange releasably bonded to the closure under the score line. Depressing the button peels the sealant flange from the closure to define a vacuum release passage which closes and seals when the pressure on the button is released. A peripheral skirt portion on the closure has inwardly projecting bosses which cooperate with cam surfaces on the bottom of a curled rim portion of a sheet metal container to provide a twist-on twist-off closure.

Abstract: An elastic arm part is provided on an outer periphery of a cylinder part of a cap, and a projection is formed in an outer periphery of an opening part. When the cap is loosened, the arm part engages the projection and is elastically deformed and after releasing the engagement of the arm part and the projection, an engagement between a first screw part and a second screw part is released. Even if an engaging distance between a first screw part and a second screw part is short, the cap is prevented from rapidly opening, and it is possible to lengthen a time a fuel steam is slowly discharged from the opening part.

Abstract: A tank closing device for a container includes a filler neck at the container and a closing member received in the filler neck. A closing cap is securable at the filler neck by a bayonet fitting. A sealing element is arranged at the closing member. A spring rests at the closing cap and biases the sealing element against the filler neck. The closing cap has a top face and a gripping member projecting upwardly from the top face. The bayonet fitting includes at least three socket elements at a circumferential surface of the closure cap or the filler neck and includes at least three dogs cooperating with the at least three socket elements and arranged on an opposing circumferential surface of the closing cap or the filler neck. The socket elements or the dogs or both the socket elements and the dogs are unevenly distributed over the circumferential surface, respectively.

Abstract: A cap (50) that is engageable with a tank filler neck (52) includes a closure (56), handle (54), and an annular gasket (76) on an axially inner end of closure (56) in spaced-apart relation to handle (54) and closure retainer apparatus (70) mounted on closure (56). Closure (56) includes an upper housing (62) carrying closure retainer apparatus (70) and a lower housing (66) rotatably coupled to upper housing (62) and carrying annular gasket (76) and an anti-rotation lug (68) positioned to engage filler neck (52) during cap installation. A delayed actuator mechanism (58) rotatably couples handle (54) to upper housing (62) to provide a lost-motion driving connection in a cap-removal direction (166) and a direct-drive connection in the cap-installation direction (164). Annular gasket (76) includes an annular outer seal (122), a hoop-shaped base (120), and a thin annular multi-directional membrane (124) interconnecting hoop-shaped base (120) and the surrounding annular outer seal (122).

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 vacuum pack food container is closed by releasable and reclosable sheet metal closure having a center portion defining an annular recess around an upwardly projecting integral vacuum release button with an undercut wall partially surrounded by a score line smaller than the button. The sealant material is confined within the button and has an outwardly projecting flange releasably bonded to the closure under the score line. Depressing the button peels the sealant flange from the closure to define a vacuum release passage which closes and seals when the pressure on the button is released. A peripheral skirt portion on the closure has inwardly projecting bosses which cooperate with cam surfaces on the bottom of a curled rim portion of a sheet metal container to provide a twist-on twist-off closure.

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 fuel cap is provided for use in the filler neck of a tank. The fuel cap includes a filler neck closure member, a handle engaged to drive the filler neck closure member, and a torsion spring coupled to the handle and to the filler neck closure member.

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: An open top container having a drum and a lid wherein the lid engages the drum for sealing the contents thereof using clamps which secure the lid and drum into an engaged relationship. The lid and drum utilize a cammed engagement member so that as the clamps are activated the cammed surface provides a tightening of the lid to the drum.

Abstract: A twist-on/twist-off resealable assembly for a can-end, such as a metal can used in the beverage industry includes a first set of knuckles formed on the can body near its top opening. A plurality of cooperating fingers on the inside of the can lid engage the knuckles so that the lid is tightened by its progressive downward motion as the lid is rotated. The lid also includes a weakened or frangible portion for forming a straw opening. A second set of knuckles are located below the top set of knuckles for engagement by fingers extending from a pilfer-proof ring. The twist-off can lid may be made from the same metal as the can body or alternatively from a transparent plastic material or a combination of metal and plastic.

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: In a safety lock for a container connection (3), at least two cams (9, 10) are arranged at the contacting surfaces of the container connection part (4) and lock part (5) and cooperate with a radially open groove (7) extending in the circumferential direction and with at least two axially parallel grooves (6 and 8) at the counterpart (5 or 4) in the manner of a bayonet catch. In order to obtain a safety lock system having a plurality of safe combination pairs which are absolutely safeguarded against interchanging, it is suggested that the combination pairs having a plurality of cams (9 and 10) and axially parallel grooves (6 and 8) at the container connection part (4) and at the lock part (5) have different circumferential (angular) distances (X1) from one another in the circumferential direction in a plurality of container connections of the same type.

Abstract: A closure for a fuel tank filler pipe comprises a body carrying a seal at one end for engagement with an outer end of the filler pipe, an outer cover, and a latch member at the other end of the body coupled to the cover and having latching projections for engagement with complementary formations on the filler pipe. A spring biases the latch member towards the outer cover so as to urge the seal into engagement with the end of the filler pipe when the latching projections on the latch member are in engagement with the complementary formations on the filler pipe. The connection between the latch member and the outer cover allows a predetermined range of angular movement of the outer cover relative to the latch member in the unlocking direction before unlocking commences.

Abstract: A fuel tank assembly is provided. The fuel tank assembly includes a plastic fuel tank having a wall defining an outer surface and an interior volume for storing fuel therein. A portion of the fuel tank wall further defines a generally cylindrical opening therethrough. The fuel tank assembly also includes an instrument having a generally cylindrical piece extending through the opening in the fuel tank wall such that the instrument communicates with the interior volume of the fuel tank. A retainer assembly is attached to the outer surface of the fuel tank wall for releasably securing the instrument to the fuel tank. The retainer assembly includes a plastic ring-like member having a generally cylindrical inner wall disposed around the generally cylindrical piece of the instrument, the inner wall defining a circumferentially extending sealing surface. The retainer assembly also includes a reinforcing member carried within the ring-like member adjacent to and generally concentric with the sealing surface.

Abstract: A closure for a container has a lid combining positively interengaging latches with a biasing feature which urges the lid upward with respect to the container in order to more firmly effect latching. A series of projections formed along the interior upper periphery of the container register with latching slots formed along the outer surface of a skirt which depends from the lid, which is dimensioned to fit closely within the opening of the container. An annular flange extends from the outermost periphery of the lid to overlap a portion of the skirt. The outer upper periphery of the container is tapered outwardly to force the flange to flex when the lid is placed on the container thus imparting an upward force to the lid and, thereby, to the lug-and-latch combinations when the lid is turned to register the lugs with the latches. A handle assembly is attachable to the exterior of the container.

Abstract: A quick-on cap (10) is provided for engaging a filler neck (22). The cap (10) includes a closure for closing the mouth of the filler neck (22) and a gripping mechanism for gripping the filler neck (22) to establish a fuel vapor seal between the closure and the filler neck (22). The closure includes a core (18) and a sleeve (14) that is movable relative to the core (18). The sleeve (14) carries a sealing ring (34) that is configured to seal against the filler neck (22). The gripping mechanism is coupled to the core (18) and sleeve (14) and grips the filler neck (22) to compress the sealing ring (34) between the sleeve (14) and the filler neck (22) in response to movement of the core (18) relative to the sleeve (14) in a cap-installation direction. The closure also includes a handle cover (12) coupled to the core (18) to make it easy for a user to move the core (18) relative to the sleeve (14) in the cap-installation direction an amount sufficient to actuate the gripping mechanism.