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: This culture dish comprises an axisymmetric receptacle (1) having a bottom on which is disposed a layer (2) of a culture medium and a movable lid (5), covering the receptacle (1) and having an internal face from which emerges a spreader (9), and structures associated with the receptacle and lid making it possible to transfer the lid (5) from a depositing position in which the spreader (9) is distant from the layer (2) to a spreading position in which it touches the layer (2), and which the structures are arranged such that the transfer requires two movements, in different directions, with respect to the receptacle (1), to be imparted to the lid (5).

Abstract: An apparatus for sealing the central opening in a conventional closet flange extending perpendicular to a drain pipe. A generally disk-shaped sealing member is connected to the lower end of a threaded shaft screwed through an intermediate hub in a diametrically extending mounting body. A pair of L-shaped retaining arms are pivotally connected to corresponding ends of the mounting body. Heads on the lower ends of the retaining arms may be inserted through diametrically spaced key-shaped slots in the closet flange and engaged with the underside of the flange. A handle connected to the upper end of the shaft may be turned to screw the shaft downwardly. This firmly presses an elastomeric boot on a convex underside of the sealing member against an inner edge of the central opening in the closet flange. This seals the opening in the closet flange to permit pressure testing of the drain and its associates sewer system.

Abstract: The present invention relates to a container for liquid which is able to retain the liquid therein for drinking purposes at a temperature close to its original temperature for a period of time. The design of the top or lid makes it easy to insert, and the new single straight spring arm design utilize a thicker spring arm, will assure vertical tension it needs keep the liquid from spilling out, and it eliminates the need for a gasket to seal the top or lid. The improved exterior shape will make silkscreen process easier.

Abstract: A plug is adapted to be fixed by means of a hot melt adhesive into an opening in a plate. It comprises a molded plastics material body and a bead of hot melt adhesive deposited onto a peripheral surface of the body around a surface transverse to the peripheral surface. The body comprises at least one snap-fastener blade having an insertion ramp and a retaining lip such that the insertion ramp bears against the edge of the opening when the plug is placed on the latter, bends if pressure is then applied to the plug to press it into the opening, and expands thereafter with the lip facing a first side of the plate while the bead of adhesive faces a second side of the plate. The snap-fastener blade extends between an attachment end and a free end in a longitudinal direction parallel to the peripheral surface and to the transverse surface. The blade is therefore entirely on the second side of the plate when the plug is snap-fastened in place.

Abstract: A travel mug includes a container and a lid in combination. The container has a handle and an annular lip. The lid has an annulus capable of forming a seal with the top side of the annular lip. A cylindrical well in the lid has a vertical dividing wall so that the lid may be readily rotated by hand. Two retaining arms extend from the underside of the lid and engage the underside of the annular lip to pull it into tight abutment therewith. Diametrically opposed gaps in the lip act as passageways for the retaining arms. Diametrically opposed notches in the lid when aligned with the gaps allow a person to drink from the otherwise sealed container.

Abstract: A cap for closing a tubular opening, especially the opening of an oil filler tube, which cap comprises a first part or cover part 12, which can be attached to the tubular opening by a bayonet lock, and a second part provided as an inside part 13, which is freely rotatable on the cover part 12 and is attached to the cover part 12 by a snap fastener 22. On the inside part 13 is a gasket 14 which seals the tubular opening. Sliding contact surfaces 20, 21 are provided between the inside part and the outer cap, so that no shearing forces act on the inside part or on the gasket when the tubular opening is closed or opened, thereby substantially facilitating the closing and opening of the tubular opening.

Abstract: An improved paint cup lid assembly of the type having a paint feed tube which is attached by a nut to a hand held paint spray gun. The paint feed tube is secured to a lid. The lid assembly includes a yolk which releasably secures the lid to a paint cup. When the paint cup is detached from the lid assembly, the yolk may be moved to a position wherein a socket formed in the yolk engages the nut and the yolk is used as a wrench for loosening or tightening the nut.

Abstract: Barbecue grills, particularly small-size portable grills adapted for picnics, stadium parking lot cooking and the like. The portable grill comprises a hemispherical cooking bowl and a hemispherical hood removably supported upon the top rim of the cooking bowl. A pair of locking brackets is inserted within the cooking bowl rim, so as to engage the hood such, that the hood and cooking bowl are locked together during carrying.

Abstract: A carbonated beverage container having a cap which remains connected to the body of the container during the venting. Interlocking tabs are provided, two sets on the cap and one set on the container body, in a manner which allows the cap to be sufficiently opened to vent the internal pressure of the container. One set of tabs maintain the cap in a sealed relation with the container body while the second set of tabs prevents the cap further rotating during venting. Once the internal pressure has been sufficiently released, the second set of tabs can be disengaged and the cap removed from the container body. The cap is fully engaged and disengaged less than one full rotation of the cap relative to the container body.

Abstract: A drink mug with open top, closed bottom, and a body portion between the top and bottom, an inwardly projecting ring in the body portion, spaced vertical passages in the ring, spaced notches in the body portion below the ring, a lid for resting on the ring, and latch members carried on the lid and projecting downward therefrom with the latch members passing through the vertical passages as the lid is positioned on the ring, and with the latch members positioned in the notches when the lid is rotated on the ring latching the lid in place on the ring. In the preferred embodiment flexible fingers connecting the latch members to the lid, with two vertical passages opposite each other, and two notches opposite each other and at 90.degree. to the vertical passages.

Abstract: A cover, especially for an oil tank, has a locking device with flexible arm carrying locking elements flexibly slidable against a bayonet curved track ridge of a tank opening or tank neck for closure of the tank. The locking device cover is capable of being rotated to close the tank opening without manual downward pressure. A bayonet curved track ridge has spring pressure of the flexible arms eliminating need for manual pressure. The construction is a single integral member made from a plate of spring steel, or made from plastic, of suitable flexibility. It has a bed plate with prongs formed from the edges of an aperture through the bed plate for gripping a pin carried by the cover to secure the locking device to the cover. The flexible arms extend in curved contour from the bed plate and have outer free ends on which the locking elements are located which slidably engage the bayonet track ridge in the tank opening or neck for limited rotation up to a stop for locking the cover to a tank.

Abstract: Improvements relating to fire hydrant closures are disclosed in which a cap-shaped cover for the outflow port from a fire hydrant, and a tool for locking and unlocking the cap on the hydrant, is provided. The cap includes a septum-like strong plate which is freely rotatable with the cap, but which is fixed against axial movement relative to the cap. Such septum-like plate, including means for mating engagement with corresponding means at the outflow spigot. The plate further includes means constructed to become engaged by the tool; the tool having a grip portion and a mating portion with a corresponding portion provided on the cap.

Abstract: A trash can wherein the open top of the container is surrounded by a ring-shaped rim having two inwardly extending prongs forming part of a bayonet mount. The lid of the can has a top portion and a depending annular skirt which can be inserted into the rim preparatory to activation of the bayonet mount which further comprises two inverted L-shaped slots in the external surface of the skirt. The lower ends of the slots are open to permit entry of prongs in response to placing of the lid onto the rim, and the lid is then turned relative to the container in order to cause the prongs to enter the substantially horizontal portions of the respective slots. The bayonet mount ensures that the lid cannot be separated from the container by dogs, bears, raccoons and/or other animals. In addition, the bayonet mount can maintain the top portion of the lid in substantial sealing engagement with the rim to prevent the escape of odors and/or flowable substances.

Abstract: A closure cap for an automotive fuel tank displays informational indicia on one or more flags which are caused to project from the periphery of the cap when the cap is twisted for removal from the tank filler tube. The cap is constructed with two coaxially mounted plate members which are rotatably moveable relative each other by the act of twisting the cap off or on the filler cap. The relative movement of the two plates is utilized to propel the flags back and forth between one position in which the flags are disposed substantially entirely within the periphery of the cap and another position in which the flags extend substantially beyond the periphery of the cap.

Abstract: A plastic disposable canister for use with a conventional paint spray gun. The canister is a cylinder having a closed bottom, an open top, and two diametrically opposed external stiffening ribs extending the height of the canister. The canister includes two diametrically opposed cover engaging members formed from the upper portions of the stiffening ribs for engagement with the most commonly available paint sprayers.

Abstract: The disclosure relates to a refuse bin comprising an open topped container for refuse, a shallow base having means to mount the refuse holder on the base and a one-piece removable cover for enclosing the refuse holder, the cover having a lower periphery which engages with the base to support the cover on the base around the refuse holder and an upper part extending above the upper end of the refuse holder and being formed with a port or ports disposed above the upper end of the refuse holder through which refuse may be passed into the holder within the cover and having an integral upper end wall closing the upper end of the cover.

Abstract: A plastics can 15 has a screw closure comprising a screw cap 34. In the closed position, a flat surface 44 of the screw cap 34 lies in one common horizontal plane with the upper edge of two edge handles 28, 29. When several such cans are stacked one upon another, as the result of the additional support on the flat surface 44, greater stability is achieved. Such cans can, therefore, be stacked with less danger. Of particular importance for cans of more than 10 liter capacity (FIG. 1).

Abstract: A removable, molded plastic cover for closing a fill opening in a container wall, which cover includes a center panel having a peripheral rim and a plurality of lock tabs extending radially outward therefrom and spaced from each other to define grooves for receiving portions of the container wall adjacent the fill opening to close the opening.

Abstract: A lid closure assembly for a bin having a top wall and a circular passage through the top wall, the lid assembly comprising a generally circular lid member having a central portion and cylindrical rim portion with an outer diameter less than that of the passage, an outwardly open annular retaining groove in the rim portion having an O-ring seal disposed in the groove, and coacting means on the lid member and on the top wall of the bin for retaining the lid within the passage when the cylindrical rim portion of the lid member extends downwardly into the passage compressing the O-ring to maintain a seal.

Abstract: A radiator overflow container for receiving liquid at pressures above atmospheric, including a plastic body portion and a cylindrical or tubular metallic orifice. The metallic orifice has first and second axial ends, and inner and outer surfaces which define an opening which extends between the first and second axial ends. The metallic orifice has the first axial end embedded in the plastic body portion with a plastic-to-metal interface which includes an annular plastic portion which extends into the opening to define an annular, plastic sealing surface. A radiator cap, engageable with the second axial end of the metallic orifice, includes a depending portion which extends into sealing engagement with the annular, plastic sealing surface, to place the plastic-to-metal interface outside the higher-than-atmospheric pressure operating enviroment of the radiator overflow container.

Abstract: A cake holder uses an advantageous arrangement whereby flanges from the cover may be secured into slots in the base. The cover and base are each integral pieces of plastic. Resilience of the flanges on the cover causes them to press against a surface of handles which project out from the base so as to prevent the cover from becoming accidentally separated from the base.

Abstract: An access door for an air conditioning duct or the like has a circular frame intended to be rotated into a circular opening in the duct wall. The frame has an inwardly extending circular shoulder against which abuts a removable circular door held in place by latch means engaging within a circular groove formed in the frame.

Abstract: A coupling for a fire hydrant-fire hose connection includes a first coupling member attached to the fire hydrant and a second coupling member attached to the fire hose wherein both the first and second coupling use a Storz connector. A butterfly valve is mounted within the first coupling to prevent access to the interior of the hydrant and a readily removable cover is placed over the first coupling member to shield the member when the hydrant is not in use.

Abstract: A housing assembly for a tandem brake booster comprises a front shell, a rear shell coupled at its outer peripheral rim within an annular stepped flange of the front shell, and a partition wall member assembled within the front shell to subdivide the interior of the coupled shells into two chambers and having an annular radial flange interposed between an annular shoulder of the stepped flange and the outer peripheral rim of the rear shell. The annular stepped flange is formed with a plurality of circumferentially spaced radial projections engaged with the outer peripheral rim of the rear shell. The outer peripheral rim of the rear shell and the annular radial flange of the partition wall member each are formed with a plurality of circumferentially spaced radial recesses which are arranged to permit removal of the rear shell and the partition wall member from the front shell when opposed to the corresponding radial projections of the front shell.

Abstract: A liquid container having a lid which can be selectively rotated to a secured position and to a visually distinct unsecured position, comprising a container body having a flange forming an upper opening and notches adjacent thereto, a lid adapted to engage the flange to close the opening, the lid having upper and lower tabs which can be alternatively received by the notches, the upper tabs underlying the flange to secure the lid to the container when the lid is in a first rotational position and which engage the flange to support the the lid in a visually distinct position when the lid is unsecured in a second rotational position.

Abstract: The present invention relates to a container for liquid which is able to retain the liquid therein for drinking purposes at a temperature close to its original temperature for a period of time, will assure that the liquid will not spill out if the container is tipped, and facilitates easy drinking of the liquid from the container. The container further includes an interiorly recessed shelf possessing at least one gap within the shelf wall and which accommodates a sealing member or top which contains a protruding tongue which can be inserted through the gap and rotated below the shelf to fasten the sealing member in place. Then the top can function as a sealing member to retain the liquid in place and assure that the liquid will not spill if the container is accidentally tipped. The top will further serve to entirely seal the container to thereby retain the liquid therein at close to its original temperature for a period of time.

Abstract: A fastening method of a casing etc., wherein a slit having an inclined surface extending substantially in a circumferential direction and coming up to a first flange side with an approach from a central portion to either side of the circumferential direction, is formed on a cylindrical part at an outer peripheral end of a second casing member, a part of the cylindrical part having said inclined surface is pressed in a casing inner side after fitting the second flange in the cylindrical part, thereby pressing the second flange on a first flange side by means of the inclined surface.

Abstract: This bowling ball carrying container resembles a large can of a sportsman's favorite brand of beverage, such as soda or beer. Primarily, it consists of a main body imprinted with a brand name of soda or beverage, and the bottom wall includes a curved recess for fitting the contour of a bowling ball received in the container. The main body further includes a lid, having a pair of locking mechanisms for retaining it in place, so as to enable the user to carry the container, and room is provided in the container for the bowler's shoes and other equipment.

Abstract: An end cap for a windshield wiper motor housing includes a cylindrical shell and an end cap, the end cap being retained on the shell without fasteners. This is achieved by placing the end cap within the shell in a prestressed condition and forming supporting elements on one side of the end cap and holding elements on the other side of the end cap. The supporting and holding elements are axially spaced from each other by an amount less than the thickness of the material of the rim of the end cap so that the rim of the end cap in the finished configuration has a corrugated contom. The forces exerted on the holding and supporting elements by the elasticity of the end cap material effectively prevent the end cap from turning relative to the shell and makes the shell more shock resistant.

Abstract: A one-piece closure cap formed of a plastics material and being adapted to close an opening in a receptacle or container and to be releasably locked in the closed position through a bayonet-type connection. The cap has a cylindrical body section which fits within the opening and an enlarged head section at one end of the body section. Locking lugs formed integral with the body section extend radially outwards therefrom and each is connected to the body section through a resilient strap-like portion partially separated from the body section by two slots extending circumferentially of the body section and being spaced apart in the axial direction of that section. Each lug is formed integral with the respective strap-like portion so as to be located between the ends thereof and is movable relative to the body section in the axial direction of that section.

Abstract: A pail consists of an open-top body and a lid applicable to the open-top to close it and be reliably secured thereon. The open-top is defined by an annular seating, and a circumferential array of cantilever locking lugs on the body adjacent but spaced from the seating, project radially beyond the seating. The lid has a depending skirt which encircles the seating, when applied, and extends downwardly below said lugs. A series of circumferentially extending locking apertures, equal in number and spacing to the lugs, are formed in the skirt, each having one enlarged end to freely admit one of the lugs and its other end formed as a stricture to take hold of an admitted lug upon fractional rotation of the lid following application to the open-top. A resilient sealing ring is housed in a groove in the lid so that when the lid is applied to the open-top, the ring is compressed between the lid and the body seating.

Abstract: A cap is disclosed for closing an aperture having a camming surface extending axially inwardly about its periphery. The cap includes a first body portion having a diameter larger than the aperture and a second body portion having an outer diameter smaller than the aperture. A gasket is disposed adjacent the first body portion. A first slot extends diametrally through the second body portion. Second and third chordal slots extend partially through the second body portion and are parallel to the first diametral slot. The first, second, and third slots define first and second parallel lever arms. Each lever arm includes a portion extending radially beyond the outer diameter of the second body portion to engage the camming surface of the aperture.

Abstract: A stopper (11) is disclosed for fixing to the end of an inlet tube (10) to a heat exchanger circuit such as a radiator for an internal combustion engine or an associated expansion chamber. The stopper comprises a body (12) housing a set of rated overpressure and underpressure valves (27 to 33) and a cylindrical skirt (15) having bayonet-fixing means (20) for fixing to the end of the inlet tube. The set of valves is mounted on a plate (21) located inside the stopper housing and so arranged as to enable direct communication independently of the set of valves between the inside and the outside of the heat exchanger circuit when the stopper is in an intermediate position between its position for fully closing the inlet tube and its open position, the communication being prevented when the stopper is in the fully closed position.

Abstract: The portable modular food container has exchangeable units useful for preservation and transportation of food stuffs. Each unit is formed to connect to a lower unit and contains an inner cover which is pressed down by the unit above.

Abstract: A garbage pail and lid arrangement in which the lid is threaded into engagement with the pail and a cable is employed to secure the lid to the pail. A swivelly mounted eye bolt on the lid through which the cable passes permits the lid to be rotated freely. A special handle on the side of the pail opposite its center of gravity when filled permits the pail and lid to be carried conveniently by one hand.

Abstract: A releasable closure device adapted to provide sealing engagement between abutting surfaces by means of a rotatable locking ring comprising a plurality of locking lugs adapted to frictionally engage recessed locking channels disposed in said surfaces.

Abstract: An easily and conveniently portable barbecue grill in which the bowl has an outwardly and upwardly extending flange around its perimeter and the lid has an outwardly extending flange around its perimeter, which flanges cooperate to produce a secure attachment between the lid and the bowl when the lid is placed on the bowl in a certain way. In the preferred embodiment, the bowl flange has two or more indentations equally spaced around its perimeter to form a number of inwardly facing reentrant portions on that flange, and the lid flange has at least one gap in its perimeter.

Abstract: A container, and more specifically a medical suction container, that comprises a canister, a lid and a liner that together form an air tight seal. Opposed wedge-shaped camming blocks mounted on the lid and the canister force the lid and liner into a sealing mating relationship thereby forming the seal. The canister and liner have similar sealing assemblies that consist of upwardly extending portions that form aligned notches. The lid with a sealing protrusion is mated with a notch of the liner, which in turn forces the liner into the notch of the canister. A locking lip on the liner engages a lip on the sealing protrusion thereby locking the lid to the liner.

Abstract: Photographic developing tanks are described of improved and simplified construction. In particular, the tank has a cylindrical base, the top of which can be closed off in light-tight fashion by a wide funnel member extending right across it. The funnel member fits into the base by a modified latching bayonet fitting constituted by cooperating formations on the inside of the walls of the base member near their top and on the outside of the funnel member.

Abstract: A pressure cooker is disclosed having a safety interlock including a resilient gasket interposed between flat sealing surfaces of a receptacle and a cover, and configured to form a seal against the surfaces when they are spaced by a first distance, and to prevent formation of the seal when the surfaces are spaced by a second, smaller distance. The receptacle and cover are provided with interlocking lugs which are engageable in two different conditions to determine the first and second distances respectively. The gasket comprises an annular body having inwardly directed, axially diverging leg portions terminating in lip portions to seal against the sealing surfaces, and has faces with peripherally spaced bosses engageable by the sealing surfaces when at the second distance to decrease the divergence of the leg portions and so prevent seal formation. Y-shaped, V-shaped, and W-shaped cross sections for the gasket are shown.

Abstract: In an air management valve assembly for an automotive engine exhaust air injection system, the pressure relief valve corner has a plurality of cantilevered fingers which releasably lock the valve cover to the valve body.

Abstract: A tamper proof water-tight well cap has been developed to seal the outflow pipe of wells or tanks. The well cap includes a first member coaxially fitting over the outflow pipe having a plurality of peripherally arranged threaded bolt collars to receive and hold bolts. An annular collar member having a plurality of hollow bosses to accommodate bolts is arrayed on the outside circumferential surface of the annular collar member and the collar member has a plurality of radially inwardly extending tabs arranged about its inner circumferential surface. An annular compressible sealing member connects the first base member and the annular collar member to prevent any leakage of liquids into the well or tank. A plurality of bolts fitting through the openings in the bosses on the collar member are threaded into the bolt collars on the base member to hold both parts together.

Abstract: An improved lock for a filler cap having a cover adapted to be received within the tank opening with a retaining member connected at the lower face of the cover for cooperating with the wall of the opening to fasten the cap within the opening; the lock is mounted in the cover and extends downwardly toward the retaining member and the retaining member has cooperating means engagable with the lock when the retaining member is in the fastened position. The lock and the cooperating means prevent movement of the retaining member from the fastened position.

Abstract: A tank closure mechanism, especially for a fuel tank of an automotive vehicle, with a locking tube pertaining to the cap proper and including a pressure plate and a gasket. The locking tube is rotatable by rotating the cap housing during locking operation of the cap by a latch of a lock cylinder but remains stationary after an unlocking during a rotation of the cap housing. A clamping ring exerting a tightening clamp is rotatable together with the locking tube. A compression spring of a bayonet catch presses against the clamping ring with the spring being supported on the cap and the pressure plate. The locking tube and pressure plate are fashioned so as to be bi-partite and the pressure plate extends over the locking tube with a sliding fit or the like.

Abstract: The combination of a circular container and cover having their rim and flange, respectively, formed to provide multiple, equally spaced locking means. The container and cover have a plurality of spaced notches and handles, respectively, formed on their outer side walls, said notches and handles providing means for handling and manipulating the container and cover for relative rotational movement therebetween to effectuate said locking means.

Abstract: A container assembly comprises an open top container and a cover adapted to be aligned and releasably locked on top of the lower container. The lower container has outwardly extending opposed grooves in its inner side walls and the cover has a locking member mounted in its central opening and movable between unlocked and locked positions for releasably locking the cover in aligned position on top of the lower container. The locking member has a pair of opposed outwardly extending flanges cooperating with the bottom container opposed grooves for locking the cover and the lower container upon rotation of the locking member. A handle is mounted on the locking member above the cover for rotating the locking member between its unlocked and locked positions.

Abstract: A master cylinder reservoir includes a reservoir cap fixed in an open portion of the reservoir. The master cylinder reservoir comprises a cam portion formed on the periphery of the reservoir in the direction meeting at right angles with the axial center of the reservoir, a nail means formed on the reservoir cap and having tip end bended inside, a guide means formed on the upper end of the cam portion, and a gloove-hole formed between the cam means, and the stop means to thereby receive the tip end of the nail means therein, whereby the movement of the reservoir cap in the circumferential direction and the upper and lower directions will be prevented.

Abstract: A housing for an aquarium filter. The housing is pressure-resistant and is provided with a removable cover. The cover, or a ring (a thrust ring) surrounding the cover, is rotatable relative to the lower part of the housing, and an axial movement is attainable by rotation by way of inclined surfaces for attaining a sealing pressure.

Abstract: A blow-moulded hollow body has an insert anchored in a wall of the hollow body by wall portions which penetrate openings in a projecting portion of the insert from both sides during the blow-moulding process and which are welded together at these openings. A wall portion of the hollow body is afterwards cut away to form an access opening and the insert is adapted to receive a closure cap for this opening. In another embodiment, the insert has a carrying handle attached thereto.