Abstract: The present application improves the shape of a curl part of a bottle can to secure high sealability even under high pressure in the can and during heat sterilization, makes bubbling-over occur less during cap opening, and suppresses misrecognition of reseal. A bottle can has a curl part provided at an opening end of a mouth part. The curl part includes an outer wall part extending downward from an upper end bent part. The outer wall part includes a first bent part shaping a locking part that extends continuously and downwardly from the upper end bent part and shapes an outwardly-protruding convex, and a second bent part that extends continuously and downwardly from the first bent part and shapes an inwardly-protruding convex.

Abstract: One embodiment of a cover for use in a fuel system component has a body and a seal molded around the body. The body has at least one first connecting feature that is complementary to at least one second connecting feature of the seal. The first connecting feature and the second connecting feature help hold the body and the seal together.

Abstract: A generally cylindrical base (104) has an upper cylindrical recess (106), a lower cylindrical recess (108) with a diameter less than the diameter of the base to form an annular bearing surface (110), and J-shaped locking notches (112). An elastomeric sealing member (122) is positioned within the upper recess in sealing contact with the bearing surface. A pin (144) extends through the sealing member with end ears (150) positionable in the J-shaped locking notches for locking and sealing.

Abstract: The present invention relates to a container for liquids, a method of filling it and the use of the container according to the invention for holding and storing radioactive substances. The container for a liquid comprises a cavity for holding the liquid, the cavity being bounded by walls (1) at the sides and at the bottom, an opening for filling the cavity with the liquid, a closure for closing off the cavity, the closure having a piercing region for inserting a cannula into the cavity, a bottom casing (20) which surrounds the walls of the cavity in the standing area, a top casing (10) which surrounds the pierceable closure with the exception of the piercing region, and a film (30) which extends from the top casing to the bottom casing and surrounds those areas of the walls of the cavity which are not already surrounded by the top casing or bottom casing.

Abstract: A vacuum processing apparatus that includes a vacuum vessel; an opening disposed in a wall of the vacuum vessel, through which a sample to be processed is taken in and out; a valve body disposed outside the wall for airtightly sealing the opening; and a drive unit driving the valve body to carry out a sealing or opening operation. The drive unit includes a first member coupled to an actuator that moves along a substantially linear first direction as a result of operation of the actuator, and a second member coupled to the first member that moves along a substantially linear second direction that intersects with the first direction. The valve body, coupled to the second member, seals the opening as a result of movement of the second member.

Abstract: Stackable lids for a container each include a top surface facing generally in a first direction and a bottom surface opposite the top surface and facing generally in a second direction. Pivotable wing portions extend from each side edge of the lid and each pivotable wing portion is joined to its respective side edge by a hinge. The wing portions are moveable between engaged and disengaged positions, and an inner surface of each wing includes a tab member configured for detent engagement with a rim of the container. The lid also includes corner portions extending between the side edges. Each corner portion includes a skirt portion extending generally in the second direction. Each corner portion also defines a recessed shoulder configured to receive the skirt portion of another when the lids are stacked.

Abstract: A grinder container (10) to be inserted in a coffee grinder comprises a lid (20) having a center inlet hole (26). The lid (20) rests on an opening rim (18) of the grinder container (10) with a peripheral lid rim (21). A peripheral web (30) projects into the interior of the grinder container (10) at a distance to the peripheral lid rim (21) and is opposite an inner wall (X) of the grinder container (10). In order to level out any dimensional tolerances regarding the height of grinder containers, the lid (20) consists of a deformation-resistant center lid part (24) which is produced of a rigid plastic material and comprises the center inlet hole (26) and of an elastically deformable lid part (22) which is produced of a soft rubber material, said lid part being connected to the center lid part (24) and comprising the peripheral web (30).

Abstract: A food container system and method of using same is provided for heating, storing or cooling food placed within a container. The container system facilitates heating of food without dehydration of the food, and it permits cooling of the food, such as, for example, cooling in a refrigerator or cooling at room temperature after removal from a heating oven or microwave, without vapor lock preventing or making difficult the removal of a lid from a container in which the food is heated or cooled. The system comprises, in one aspect, a ceramic lid and a ceramic container to receive the lid, and a seal having a channel there through and disposed intermediate the ceramic lid and the ceramic container. In one aspect, the seal may comprise a heat-resistant silicon material.

Abstract: A vacuum storage container having a container body, a check valve and a lid with an outer rim surrounding a diaphragm. A vacuum pump is engagable with the check valve to remove air from the interior of the container to create a vacuum in the container. The diaphragm is pushed inward by atmospheric forces upon removal of the air until the diaphragm touches and conforms to at least upper exposed surfaces of the contents of the container. The storage container aids in preventing degradation of the contents of the container by maintaining the contents free from the degrading effects of air and by substantially immobilizing the contents during movement of the container to protect the contents from breakage and bruising.

Abstract: Exemplary embodiments include a seal between an open body end of a container body and an edge of a lid. The lid is pressable into the open end of the body in a sealing manner. The components may be made from a light gauge sheet metal. The lid can be removable affixed to the body. The seal is configured to securely attach to the body to provide a safe seal of the container to be capable of withstanding impacts, such as from a shock or fall. Accordingly, the embodiments are applicable to containers which contain hazardous materials.

Abstract: A recloseable paperboard container (10) is disclosed that includes: a body (12) defining an internal volume (18) and an opening (20) into the internal volume, a connector member (14) connected to the body, and a lid (16) releasably engaged with the connector member to form a seal between the connector member and the lid. The connector member may include a flange (44) extending about the opening of the body and releasably engaging with the lid.

Abstract: A preservation container cover includes a flexible film to contact with the rim of the container, an upper sealing ring, and a lower sealing ring affixing a periphery portion of the flexible film. The upper sealing ring has a ring slot extending along the periphery portion of the flexible film. The lower sealing ring comprises a ring plug along the periphery portion of the flexible film. The ring slot and the ring plug form a clamp structure to affix the flexible film. The present invention is convenient to use, adaptable to various containers of different types and sizes, and won't cause waste of natural resources and environment problems.

Abstract: Exemplary embodiments provide a container that is collapsible. When collapsed, the space taken up by the container is less than its original size. The container may be expanded from the collapsed state. When expanded, the container may be used to transport and/or store various items, such as food and liquid goods. The container may be expanded to one or more intermediate states that are less than the fully expanded state. The container may consist of a number of sections and may be available in various sizes. The container may have a lid and a handle. According to exemplary embodiments, the container may operate as a cooler and may have insulative properties.

Abstract: A food storage and nutrition management system including a primary container having which defines a volume for storing a plurality of secondary containers smaller than the primary container. The secondary containers store food items and include a bottom side and an upper rim and are sized and configured such that when placed in the primary container, the upper rims of the secondary containers are substantially co-planar. A container lid sealing closes the primary container and includes a resilient gasket on its underside. Lids are also provided for the secondary containers when used outside the primary container. The gasket is configured to engage the upper rims of the secondary containers regardless of the configuration in which the secondary containers are placed in the primary container. The gasket partially compresses at the upper rims of the secondary containers to form a substantially air tight seal between each of the secondary containers.

Abstract: The invention provides a highly reliable plasma processing apparatus having stable sealing performance. The vacuum processing apparatus comprises a vacuum vessel having its inside decompressed; an opening disposed in a wall of the vacuum vessel for communicating the inside with the outside thereof and through which a sample to be processed is taken in and out; a valve body 701 disposed outside the wall for airtightly sealing or opening the opening; and a drive unit for driving the valve body to carry out the sealing or opening operation, the drive unit comprising a first member 705 coupled to an actuator 702 that moves along a substantially linear first direction as a result of operation of the actuator, a second member 706 coupled to the first member 705 that moves along a substantially linear second direction that intersects with the first direction, and the valve body 701 coupled to the second member that seals the opening as a result of the movement of the second member.

Abstract: A roller of a tracked vehicle includes a lubricating oil reservoir having an open end closed by a sealing body having an outer face and an opposed inner face facing the reservoir, and which is transparent to provide visual access into the reservoir through the open end for lubricating oil level and quality monitoring purposes. A depression with a raised rim is formed in the outer face of the sealing body, and a port is formed in the sealing body, which extends through the sealing body at the depression from the outer face to the inner face of the sealing body. A removable plug is applied to and closes the port, and is positioned in the depression and extends outwardly from the outer face of the sealing body no further than the raised rim isolating the plug from shearing forces across the outer face of the sealing body.

Abstract: A storage cover for a storage case is provided. The storage cover for the storage case for opening and closing an opening formed on one side of a storage case to take in and out stored goods includes a plate-shaped cover unit for covering the upper part of the opening and a flexible rim extended along the edge of the cover unit in the direction of the thickness of the cover unit, made of an elastic material to be elastically extended, and pulled back toward the upper part of the cover unit when the opening is opened and pulled back toward the lower part of the cover unit when the opening is closed to surround the external circumference of the opening. Therefore, opening and closing operations are simply performed so that the storage cover can be conveniently used and that airtight coupling force can be maintained in spite of the repeated opening and closing operations.

Abstract: An end cap adapted to releasably secure to a tube having a first open end to form a shipping container. The end cap includes a base, a sidewall surrounding and extending from the base, at least one movable projection biased to extend beyond the outer side of the sidewall, and a deformable sealing element extending from a perimeter of the base and/or from the outer side of the sidewall. When the end cap is secured to the tube, an inner side of tube surrounds the outer side of the sidewall of the end cap, the movable projection extends into a mounting opening formed in the tube proximal to the first open end, and the sealing element is deformed against the inner side of the tube to form a circumferential seal between the end cap and the tube such that the end cap completely plugs a passageway through the tube.

Abstract: The present invention is directed to a seal system for sealing a storage tank such as a liquid or air storage tank. In accordance with the preferred embodiment, the seal system includes a radial valve body that is disposed within a circular spring energizer, together which are disposed within a boss member. The spring energizer and the boss member are separated by a non-bonded liner. Various radial seal members are placed within the inner surface of the boss member to ensure the seal, and the seal system is installable to the top portion of a liner of a storage tank.

Abstract: The attaching-and-detaching operation of a lid unit is automated using an existing attaching-and-detaching device. A lid unit for closing a container body of a thin-plate supporting container for use in storing semiconductor wafers therein is provided. A simplified attaching-and-detaching mechanism allows the lid unit to be attached and detached by easy locking and unlocking with respect to the container body. The simplified attaching-and-detaching mechanism includes a locking member engageable with a second receiving device of the container body, and a guiding member disposed at the extremity of the locking member, which guiding member reaches the second receiving device and guides the locking member into the second receiving device in a state in which the main body fits lightly in the container body. The guiding member includes a reaching portion that first reaches the second receiving device, and a guiding portion that guides the locking member to the second receiving device.

Abstract: A storage cover for a storage case is provided. The storage cover for the storage case for opening and closing an opening formed on one side of a storage case to take in and out stored goods includes a plate-shaped cover unit for covering the upper part of the opening and a flexible rim extended along the edge of the cover unit in the direction of the thickness of the cover unit, made of an elastic material to be elastically extended, and pulled back toward the upper part of the cover unit when the opening is opened and pulled back toward the lower part of the cover unit when the opening is closed to surround the external circumference of the opening. Therefore, opening and closing operations are simply performed so that the storage cover can be conveniently used and that airtight coupling force can be maintained in spite of the repeated opening and closing operations.

Abstract: The present invention provides a vacuum thermal insulating valve that may be used at high temperature in gas supply systems or gas exhaust systems, and also may be made substantially small and compact in size owing to its excellent thermal insulating performance. With a vacuum thermal insulating valve comprising a valve equipped with a valve body and an actuator, and a vacuum thermal insulating box that houses the valve, the afore-mentioned vacuum thermal insulating box S is formed by a square-shaped lower vacuum jacket S5 having a cylinder-shaped vacuum thermal insulating pipe receiving part J on a side and with its upper face made open, and the square-shaped upper vacuum jackets S4, which is hermetically fitted to the lower vacuum jacket S5 and with its lower face made open.

Abstract: A vacuum sealing device comprises a lid having a rigid rim with a lower opening for receiving a dish, an impermeable elastic membrane peripherally affixed to the rigid rim for sealing the dish, and a valve-less air evacuator formed between the elastic membrane and the dish rim. The valve-less evacuator allows air to flow out of the dish when the lid is being pressed and becomes closed when the lid is released to cause said lid to rebound to form a vacuum in the dish. The rigid rim prevents lid deformation when the lid is pressed, thus enabling the vacuum formation. To facilitate lid removal, the device has a valve-less vacuum releaser comprising a finger-receiving chamber and a section of the elastic membrane located above the chamber and connected to the rigid rim for releasing the vacuum in the dish. To prevent vacuum loss during storage in freezer or fridge, the elastic membrane is sufficiently thinned prior to being affixed to the rigid rim.

Abstract: A glass bell jar for the protection of food such as desserts, pies and the like, which is designed to be rested on a dish, also made of glass, so as to cover the food contained in the dish, includes a U-shaped structural section, made of a soft plastic material such as polypropylene or the like, fitted along the edge of the bell jar to cushion the impact between the dish and the bell jar when the latter is rested on the dish, to prevent direct contact between the two glass parts, and to guarantee better airtightness. The risk is avoided, that one or both parts from crack, with the danger that shards of glass could contaminate the food contained in it. Health risks are thus avoided, and the unpleasant sound caused by the impact between two glass parts is eliminated.

Abstract: A closure for the open mouth of an airtight container. The closure has a resiliently flexible diaphragm which has a peripheral edge (37) which can sealing engage against an inside wall surface of the open mouth. The diaphragm (13) is engaged with the second cover section (12) of a cover. A pair of toggles (24) are pivotally mounted on axles (22) of second cover section (12). The levers (30) of the toggles (24) extend through an opening (44) in the first or outer cover section (11) when the first and second cover sections (11,12) are snap-locked together. By moving the levers (30) toward one another the respective feet (27) of the toggle (24) engage with area (35) of the diaphragm (13) to deform the diaphragm and thereby break a sealing effect between the peripheral edge of the diaphragm and the inside wall surface of the open mouth.

Abstract: The invention relates to a cooling device, which comprises a cooling fan and a heatsink. The heatsink is directly attached to the heating element to absorb its heat and the cooling fan is disposed on top of the heatsink to dissipate the heat. The heatsink includes a central heat dissipation body and a plurality of fins extending from the periphery of the central heat dissipation body. The central heat dissipation body has a fully-sealed hollow chamber filled with a cooling liquid and disposed an agitator. The agitator is disposed a magnetic element, and where the magnetic element corresponds to the rotor of the cooling fan must have a magnetically-attracting and mutually-dragging device in operation. By way of the magnetic attraction between the rotor of the cooling fan and the agitator, a better heat dissipation effect is secured, the chamber remains a fully-sealed room, and the cooling liquid overflow issue can be ruled out accordingly.

Abstract: This invention relates to a vapor or liquid phase reagent dispensing apparatus comprising: a vessel which comprises a removable top wall member, a sidewall member and a bottom wall member configured to form an internal vessel compartment to hold a source chemical up to a fill level and to additionally define an inner gas volume above the fill level; said sidewall member having a protuberance that extends into the internal vessel compartment adjacent to the top wall member; said top wall member and said sidewall member having opposing flat surfaces, wherein the opposing flat surfaces are optionally in contact with one another; fastening means for securing said top wall member to said sidewall member through the opposing flat surfaces that are optionally in contact with one another; said top wall member and said protuberance having opposing flat surfaces, wherein the opposing flat surfaces are not in contact with one another and at least a portion of the opposing flat surfaces are hardened; and a metal seal

Abstract: A fit-holding groove is formed by notching the outer periphery of a door element to be fitted to close a container body. A sealing element interposed between the container body and door element is composed of an endless portion to be fitted into the fit-holding groove, a protruding part projected from the peripheral corner of the endless portion, obliquely and outwardly with respect to the open front of the container body, forming a substantially acute angle between itself and the contact surface of the open front of the container body and a pair of fitting ribs projectively formed on the obverse surface of the endless portion so as to be fitted in contact with the compartmentalized inner wall of the fit-holding portion.

Abstract: A closure and container combination where the closure has flanges that define a channel capable of receiving a portion of the neck of a container and forming a surface seal therewith.

Abstract: A vacuum sealing device comprises a lid having a rigid rim with a lower opening for receiving a dish, an impermeable elastic membrane peripherally affixed to the rigid rim for sealing the dish, and a valve-less air evacuator formed between the elastic membrane and the dish rim. The valve-less evacuator allows air to flow out of the dish when the lid is being pressed and becomes closed when the lid is released to cause said lid to rebound to form a vacuum in the dish. The rigid rim prevents lid deformation when the lid is pressed, thus enabling the vacuum formation. To facilitate lid removal, the device has a valve-less vacuum releaser comprising a finger-receiving chamber and a section of the elastic membrane located above the chamber and connected to the rigid rim for releasing the vacuum in the dish. To prevent vacuum loss during storage in freezer or fridge, the elastic membrane is sufficiently thinned prior to being affixed to the rigid rim.

Abstract: A cover mounting structure of a waterproof box 1 which is composed of a container body 2 and a cover 3 to be mounted on an opening of the container body 2. The container body 2 includes side walls in a double-wall structure composed of an inner wall 21 and an outer wall 20, the inner wall 21 being projected longer than the outer wall 20. The cover 3 includes attached walls each of which is provided with an outer groove 27 defined between an outer wall portion 29 and a middle wall portion 30, and an inner groove 28 defined between the middle wall portion 30 and an inner wall portion 31, so that the cover 3 can be mounted to the container body 2 by respectively inserting the inner wall 21 and the outer wall 20 of the container body into the inner groove 28 and the outer groove 27 of the cover.

Abstract: A lid type vessel of an elastic plastic material for laboratory use, specifically in the PCR procedure, comprising a tubular vessel which has a vessel bottom at one end and a vessel opening at the other end, a lid which has a lid bottom and has at least one hollow cylinder on one side of the lid bottom, which is adapted to be inserted into a sealing seat at the vessel inner wall through the vessel opening, and/or which is adapted to be placed onto the end of the vessel having the vessel opening and in a sealing seat on the vessel outer wall in the area of the axial portion, and at least one axial portion of the hollow cylinder or vessel in the area of the sealing seat by means of which the hollow cylinder or vessel is alternately subdivided into harder and softer segments in a circumferential direction.

Abstract: A gasket for interposition between a first and an opposing second interface surface of a sealing assembly. The gasket includes a generally planar retainer and a generally annular elastomeric member supported on the retainer. The retainer has an inner and an outer perimeter which together define an closed geometric shape which is registrable about a periphery of one of the first and second surfaces of the sealing assembly. The elastomeric member has a sealing portion, and a concentric retaining portion which is generally-upstanding relative to the retaining portion. The sealing portion is configured to be compressible axially intermediate the first and second interface surfaces for effecting one or more fluid-tight seals therebetween. The elastomeric member, in turn, has oppositely disposed first and second axial surfaces. One of the first and second axial surfaces defines a margin of the retaining portion sized to interferingly engage the periphery when the gasket is mounted coaxially thereto.

Abstract: A fixing device for fixing a dispensing member to the neck of a receptacle, the fixing device includes a fixing ring having a bottom skirt engaging a neck of a receptacle, a member for receiving a dispensing member, and a top socket which extends in the direction opposite to the direction in which the skirt extends; and trim which extends around the ring so as to mask it at least in part, the trim having a body defining a top end forming an inwardly-extending rim that extends inwards and then downwards so as to define an inner sleeve. The sleeve comes into engagement with the inside surface of the socket; and the inner sleeve forms a resilient tab which extends outwards and upwards so as to define a free end which comes into contact with an inside surface of the socket.

Abstract: A case includes a lid and a case body provided with a traversing aperture. The aperture accommodates a reserve of product contained in a cup. The case includes a seal secured to the cup and pressing in a sealed manner against the case body.

Abstract: A lid for an air-tight container is composed of a base and a seal. The base has a circular groove defined in a bottom face thereof. The seal has a circular extension formed to correspond to the circular groove. When the circular extension is received in the circular groove, the engagement between the base and the seal is secured.

Abstract: A thin packing cover needs some pressing and bending process to stick the packing material into the main cover. This inventory is the packing cover which can be manufactured without bending or pressing the main cover by the processing of double injection molding method that can inject the packing plastic material from upper and under packing place of the main cover.

Abstract: A fit-holding groove is formed by notching the outer periphery of a door element to be fitted to close a container body. A sealing element interposed between the container body and door element is composed of an endless portion to be fitted into the fit-holding groove, a protruding part projected from the peripheral corner of the endless portion, obliquely and outwardly with respect to the open front of the container body, forming a substantially acute angle between itself and the contact surface of the open front of the container body and a pair of fitting ribs projectively formed on the obverse surface of the endless portion so as to be fitted in contact with the compartmentalized inner wall of the fit-holding portion.

Abstract: A frame body water-proof structure, has a main frame body, a frame cover, a loop-shaped elastic packing element, and four securing screws for fixing the frame cover on to the main frame body. A wall portion is formed along a periphery edge portion on an engaging surface of the main frame body, and a shoulder portion is formed continuously in connection with the wall portion. The packing element is attached around the outer periphery surface of the wall portion and mounted on the shoulder portion. A recess portion is formed on the inner side of the periphery edge portion on an engaging surface of the frame cover. The recess portion also including a shoulder portion.

Abstract: A cover or lid device for attachment to a depressed top portion of a beverage can, said top portion being of a type having as an integral unit a wall, a can top member with pouring aperture providing means, and a recessed portion bridging said wall and said top member, said cover or lid device comprising a plate member, a circumferential ring member integral with said plate member, and a resilient member member attached to an outside face of said ring member, said resilient member having in cross section an upper lip portion, a lower bead portion and a concave portion therebetween, said lip portion for engaging said wall and said bead portion for fitting into said recessed portion. Said resilient member may be made from a soft material, such as soft plastics. An edible or non-edible article may be accomodated between said plate member and said can top member.

Abstract: The invention concerns a compact, comprising a lid and an open-work compact body, receiving a product reserve contained in a base cup. It further comprises a sealing joint (6) fixed to the base cup (5) and pressed tight on the compact body (2).

Abstract: A carrier box serving as a thin-plate supporting container includes a container body for defining therein a chamber for supporting and housing therein a plurality of semiconductor wafers and a lid for covering the container body. In one embodiment, the carrier box includes an internal-pressure adjusting mechanism for maintaining the internal pressure in the chamber at the same level as that of the external pressure against the chamber. The internal-pressure adjusting mechanism is composed of an opening formed in a wall of the container body and a filter detachably mounted in the opening for removing foreign matters while allowing gas to easily enter and exit the chamber so as to maintain the chamber in a clean state. In another embodiment, the carrier box includes a gasket made of a porous material.

Abstract: A container for packing semiconductor wafer is provided which has superior airtightness to prevent contamination of the wafers by air. A gasket groove is formed on the case of the container. A gasket is inserted within the gasket groove. The gasket contains protrusions that assist in providing an airtight seal. The case and a lid are securely fastened together by the engagement of four clips within respective clip recesses that are formed in the container and lid.

Abstract: A paint can system including a paint can, a lid and a sealing ring having a sealing ridge that is insertable into the lid ridge receiving channel of the rim assembly of the paint can. The sealing ring includes a brush wiping flange that has an outer flange edge that defines an opening through which the paint brush can be loaded with paint when the sealing flange is installed. The sealing ring is adapted such that the lid of the paint can is seatable, in an upside down orientation, onto the sealing ring to cover the opening through the sealing ring to seal the paint can.

Abstract: A container system includes a one-piece, one-way valve. The container system can be evacuated by pressing the lid, thereby forcing air out of the one-way valve. The one-way valve does not allow air to enter the container system. The one-way valve includes an interface or release which allows air to enter the container system when the interface is pressed. The one-way valve is preferably an umbrella-shaped valve made of a silicone or plastic.

Abstract: A can is formed by an overall cylindrical body with a nailed bottom wall and presenting on its superior part and close to an aperture thereof a round fillet which is outwardly turned. The closure of the can is by a metallic, easy-opening lid, formed essentially by a circular panel with a short descending skirt which is provided with a narrow peripheral fillet. The lid includes a sealing gasket on its internal surface and presenting, in the middle of its panel, a circular basin-shaped depression with a central hollow which is closed by a resinous, thermoplastic, detachable seal. The present improvements provide a new configuration for the superior part of the can body, by which the referred skirt of the lid and its respective fillet are inwardly spaced in relation to the side wall of the cylindrical body of the can, in such a way to eliminate any possibility of mounting or overlapping of the peripheral fillets of adjacent cans, whenever the cans are grouped or placed side by side.

Abstract: A waterproof container is provided including a housing formed of an elastomeric material defining an interior space with an open top having a planar top peripheral edge. An interior lining of the housing is constructed from a foam material. The lining is situated within the interior space of the housing for protecting the contents thereof. Further provided is a cover having a planar rectangular configuration with a top face, a bottom face, and a periphery formed therebetween. The bottom face of the cover has a cut out with a rectangular cross-section formed adjacent the entire periphery. The cut out has a width equal to a thickness of the faces of the housing. The cover further has a planar bottom lining constructed from a foam material situated on the bottom face of the cover. Next provided is a gasket having a planar rectangular configuration and a width equal to the thickness of the faces of the housing. A coupling mechanism is included for selectively securing the cover to the housing.

Abstract: A waterproof casing for an electronic equipment includes a box-shaped case member and a plane-shaped cover member including a sheet-form sealing gasket extending from the overall periphery of the cover member. The cover member is inserted and fixed to the case member with the gasket sliding into and pressing against the inner surface of the case member to secure a tight waterproof seal. The cover member also can be partially plate-shaped and partially box-shaped. The waterproof casing structure reduces the size, particularly height, of the casing and simplifies assembly.

Abstract: A molded lid having an intermediate region configured as a sequence of waves, each of curved cross-section forming successively occurring crests and troughs, and exhibiting amplitudes increasing in value from the lid center toward the rim. The waves terminate at a ring band which is located to slide in adjacency with the inwardly disposed side of a plastic drum. The lid is provided with a polymeric gasket which is retained in position by a retainer band which is insertable in sliding compressive engagement within a retainer cavity.

Abstract: A swimming pool debris removal system includes a recirculating pump and a vacuum chamber having an access port, an inlet port, and an outlet port connected to a suction inlet of the pump. The inlet port is connected to receive water and debris pumped from the pool. A removable vacuum seal lid is disposed in the access port, forming a vacuum seal therewith. An air bleed tube coupled to the outlet port draws air trapped between the lid and water in the chamber into the outlet port and suction inlet when the pump is operating, causing the trapped air to be replaced by water and thereby reducing momentum forces of water in the chamber against the lid as the pump is turned off. The lid includes a disk with a circumferential groove and a handle attached to an upper surface of the disk.