Abstract: A container for packaging a particulate product under pressure or vacuum conditions with an easy opening closure structure which allows venting prior to uncovering of the product opening. In one form, an easy peel flexible lid covers a shelf area and a product opening in the top of the can. Peeling back the lid first uncovers the vent opening, permitting the flow of gases but preventing the flow of particulate product, and then uncovers the product opening. Alternatively, the closure structure may be formed by multiple layers of a flexible material, the lower layer of which has the vent opening which is uncovered by peeling back the top layer, after which the product opening is uncovered.

Abstract: A vessel for a fluid, the vessel having a filling opening and a cap removably mounted on the vessel for closing the filling opening, the filling opening being defined by a tubular conduit having a vent port located in its wall, the cap including an elongate sealing member which is axially insertable into the conduit, the sealing member carrying a circumferentially extending main seal for providing sealing engagement between axially extending opposed faces of the conduit wall and the sealing member, the sealing member being axially movably mounted on the vessel for axial movement between a first axially static position whereat the main seal resides at an inner location relative to the vent port to sealingly isolate the vent port from the interior of the vessel and to a second axially static position whereat the main seal resides at an outer location relative to the vent port to permit direct fluid communication between the vent port and the interior of the vessel.

Abstract: A ventable container comprises a body with a lip hermetically sealed by a film. A hole is provided in the lip of the container and a layer of hot melt adhesive disposed around the hole adhesively seals the film across the hole. When the container and the product are heat processed, the film flexes away from the tray, and the hot melt adhesive layer softens and releases the film for venting of the container. Upon cooling, the film once again bonds to the hot melt adhesive and seals the container.

Abstract: A drinking mug includes a mug body having an outer wall, an inner wall and a mouth defined by an upper edge. The mug includes a lid provided integral with the inner wall and substantially covering the mouth, the lid having an outer edge, a first opening and a second opening. The first and second openings are adapted to pass liquid and other substances therethrough, with the first opening provided along the outer edge of the lid for drinking purposes. A third opening is provided along the outer edge of the lid substantially opposite the first opening. A cover is provided for covering the second opening.

Abstract: A closure for providing selective access to and for closing a cell culture vessel includes an open cylindrical first portion for attaching the closure to the cell culture vessel. The first portion includes a passageway for access to the vessel. The closure includes a second portion attached to the first portion by a hinge for closing the access passageway. The second portion additionally includes a vent which has a porous membrane covering it to prevent passage of microorganisms through the vent. The closure includes a third portion which is attached by a hinge to the second portion for closing the vent. Either the vent or the access passageway may be opened with one hand providing easy access and selective closure of the cell culture vessel.

Abstract: A bung plug venting device having a threaded slot configuration for use such as in relieving internal pressure in a container for liquids is disclosed. In one embodiment, a plurality of slots are spaced at equal intervals around the threaded neck portion of the bung plug, with the upper end of the slots being positioned below the upper threads of the neck portion. The number and width of the slots will depend on the capacity of the container.

Abstract: A container wherein a top member and a base member are formed as identical units, e.g., from a common mold, and have interactive shapes that permit the top to be laid upon the bottom in a nesting, closed configuration, and rotated relative to the bottom to at least one open configuration with at least three pinpoints of engagement to allow for positive seating of the top member on the bottom in the open configuration and movement of ambient air therebetween. The top cover and base are divided into sections about their circumferential length. The number of sections is determined by the shape of each of the various sections. There can be any number of sections where each section is constructed so as to be able to mate with an exact inverted mirror image of itself. For each first section not so constructed, i.e.

Abstract: A pressure control valve for controlling the vacuum in a crankcase housing, which valve is disposed on an oil filler opening (33) and simultaneously acts as a cap for the oil filler opening. A tube 37 through which the crankcase gases are conveyed to the air intake of the internal combustion engine is provided in the oil filler opening. The pressure control valve serves to establish a certain vacuum in the crankcase, is of compact construction, and can be replaced or checked in a simple manner.

Abstract: A medical instrument sterilization container (10) is provided which includes a port (18). A removable filter (32) is received within port (18) to enable sterilization of instruments placed within container (10). A removable plug (48) replaces filter (32) to enable container (10) to be used to transport instruments without leaking of fluids therefrom.

Abstract: A container wherein a top member and a base member are formed as identical units, e.g., from a common mold, and have interactive shapes that permit the top to be laid upon the bottom in a nesting, closed configuration, and rotated relative to the bottom to one or more open configurations with at least three points of engagement whereby the size of the openings therebetween are varied in the different open positions and allow for movement of ambient air therebetween. The top cover and base, formed with identical common interfacing areas, can be subsequently modified, e.g., decorative or ornamental components can be added to the other, non-interfacing areas. Additionally, a handle could be added to the top cover. A pedestal could be added to the base. In a preferred embodiment, each member has a curvilinear outer periphery.

Abstract: A container and pressure sealing closure combination in which the closure includes a rim portion engaging the mouth of the container, a substantially rigid central portion and an annular toggle portion pivotally connected to and interconnecting the rim portion and central portion, whereby upward movement of the central portion in response to internal pressure of the contents of the container pivots the toggle portion to urge the rim portion substantially radially outwardly against the mouth, thereby effecting a seal. In a preferred embodiment, the inner surface of the container mouth includes a plurality of axially-extending channels for conducting pressurized gaseous contents of the container between the closure and the container to the ambient. The outer surface of the mouth includes an annular recess which receives a plurality of radially inwardly projecting ribs on the rim portion, thereby effecting engagement between the closure and container.

Abstract: A pressure vessel including a lid with integral fixed lock tabs engageable with notches in the housing side wall to secure the lid to the housing. The housing includes a vent opening formed through the side wall. The lower edge of the lid is substantially bevelled and has a flattened portion to seal the vent when the lid is in its closed position. On opening of the lid, the seal between the vent and lid is broken before the fingers disengage the housing to vent residual pressure from within the housing.

Abstract: A pressure vessel arrangement including a lid with shiftable lock arms and a vent combination operating simultaneously. The lock arms passing through openings in the vessel housing sidewall when the lid is in the closed position. As the lock arms are shifted into a locked position a vent shaft into the vessel housing is sealed for pressurization of the vessel. Upon opening, the vent shaft is unsealed prior to disengagement of the lock arms to vent any residual pressure is the vessel safely.

Abstract: A package is provided which includes a container having a chamber and provided with an opening which is closed by a multi-layered sheet. The multi-layered sheet is coupled to the container in hermetically sealed relation. The multi-layer sheet includes first and second layers in face-to-face relationship and cooperatively melded to the edge portion of the container. The first layer is adjacent to the container and obturates the opening of the container. The second layer is provided with a slit arrangement defining at least one displaceable flap. The first layer is imperforate and is relatively thin. It responds to a buildup of pressure within the container to rupture and displace the flap in order to vent the container. A third layer is further provided which is connected in face-to-face relationship with the second layer and which is also provided with the aforementioned slit arrangement.

Abstract: A casserole dish and cover that cooperate to allow cooking in a vented and unvented condition as well as a controlled transition from a vented to an unvented state. The dish includes a cam ledge and the cover includes a lip that is rotatable and pivotable on the cam ledge to allow controlled venting and access to the interior of the dish.

Abstract: Sealed packaging box consisting of a receptacle and a cover capping the latter, each comprising connecting means intended to work together to close the box in a sealed manner, box characterized in that:the connecting means of receptacle (1) are formed by an edge of a reinforced packing ring (5) bordering the opening of receptacle (1), this ring (5) being penetrated by at least one passage (6) connecting the inside of receptacle (1) to the outside, passage (6) being flared (61) toward the inside of the receptacle,the connecting means of cover (2) comprise:on bottom (21) and inside cover (2), an annular rib (22) intended to come behind packing ring (5),a peripheral outside edge (23) coming over the edge in the shape of a ring (5) of receptacle (1),a section and location sealing element (27) corresponding to flared part (61) of the passage of ring (5) to come into the latter and to seal it at least partially when cover (2) is mounted, peripheral outside edge (23) capping outside orifice (63) of passage (6).

Abstract: A container of draft beer is substantially filled with beer having a volume of dissolved carbon dioxide greater than 2.6 and not more than 3.1 times the volume of beer. The beer is packaged in a plastic container that is slightly permeable to carbon dioxide, but retains a satisfactory dissolved carbon dioxide content even after a normal shelf life. Beer is dispensed by gravity, without use of external pressure source, after release of head space pressure. Moreover, when the container contents are partially dispensed by the consumer and then maintained at appropriate low temperature for several days, the remaining beer still retains a satisfactory volume of dissolved carbon dioxide. A spigot on the container employs a barrell valve closure member that seals the pressurized container and is movable to a pressure relase position in which pressurized gas within the container is slowly released without forcibly projecting container contents.

Abstract: A cooking vessel having mutually matched stepped parts formed in the opposed edges of a lid and a pot in such a manner that the lid, when placed to close an open end of the pot, is rotated about the center thereof, the stepped parts of the pot proper and the lid define spaces. These spaces are fit for many purposes.

Abstract: A sealed container for use in cooking which has a heat-sealed portion partially opened when there is an increase in the internal pressure during heat cooking of various kinds of food including frozen foods contained therein so as to prevent rupture or deformation of the container, as well as the possibility of the contents boiling over as a result of rupture of the container. The sealed container of the present invention includes a container body provided at the opening thereof with a flange, and a lid, and a heat-sealed strip capable of peeling off is formed on the flange portion, at least one portion of the heat-sealed strip being formed in such a manner as to project toward the interior of the container, and the outer edge of the heat-sealed strip at that position and an innermost point of the outer edge of the heat-sealed strip being disposed on the inner side of a line connection the starting point of the projecting portion located on the inner edge of the container.

Abstract: A sealed container comprises a cylindrical jacket closed at opposite ends by closure pieces welded to the jacket. One closure piece forms a lid having an outlet opening pre-sealed by a tear-off tab. The lid includes a skirt projecting into the jacket, and a gas vent opening which is open during the installation of the closure pieces to vent displaced gas, and is thereafter closed by securing an end of the tear-off tab thereover, or by deforming the lid material, or by placing a drop of hardenable plastic in the vent opening.

Abstract: A food container comprises a bottom (3) which is substantially rectangular and which has outwardly flared walls (4) rising therefrom and terminating in a substantially rectangular opening (7). The tops of the walls are outwardly surrounded by a horizontal rim (5) which is rectangular in shape and they are capped by a vertical rib (6) extending above the rim (5). The container has a cover (2) having a horizontal rim (8) and a vertical rib (9) extending downwardly therefrom suitable for engaging around the vertical rib (6) of the container (1). The vertical ribs (6, 9) being of substantially the same height on the container (1) and the cover (2). The vertical rib (6) on the container (1) is provided with notches (12) on at least two sides thereof, and the vertical rib (9) of the cover is provided with outwardly offset lengths (16) of reduced height disposed opposite the notches (12) in one position of the cover ( 2) and not disposed opposite the notches (12) in a second position of the cover (2).

Abstract: A food container comprises a bottom (3) which is substantially rectangular and which has outwardly flared walls (4) rising therefrom and terminating in a substantially rectangular opening (7). The tops of the walls are outwardly surrounded by a horizontal rim (5) which is rectangular in shape and they are capped by a vertical rib (6) extending above the rim (5). The container has a cover (2) having a horizontal rim (8) and a vertical rib (9) extending downwardly therefrom suitable for engaging around the vertical rib (6) of the container (1). The vertical ribs (6, 9) being of substantially the same height on the container (1) and the cover (2). The cover rib (9) has a plurality of shoulders (16) near the top thereof for co-operating with the container rib (6), and enabling an upper position and a lower position to be defined for the cover (2) on the container (1).

Abstract: A sterilizer container comprising a lower base portion, cover, and an intermediate cover which is installed in a sealing manner on the inwardly drawn edge of the lower base portion. The cover includes an overlapping flange. A flow passage, leading to a tortuous path, is defined by the overlapping flange of the cover and the inwardly drawn edge of the lower base portion. The exchange of fluent media between the interior and the exterior of the container takes place through the flow passage and the tortuous path. The intermediate cover is connected with the cover in a detachable manner and has perforations in its middle segment which are covered by a filter. This filter is pushed against the peripheral segment of the intermediate cover by means of a sealing ring which is supported by the cover. The intermediate cover can be provided with valves effective in two directions in place of perforations whereby an equalization of pressure is possible. In this case, the filter is omitted.

Abstract: This invention provides for a quick-disconnect coupling and valve assembly which consists of a single-service coupling and valve assembly and a connector for cooperating therewith. The single-service coupling and valve assembly is comprised of two main parts, namely, a spout fitment for a flexible bag and a valve member which slidably fits within the spout for axial movement. The valve member is provided with an outwardly-opening socket for receiving the connector and this socket has at least one dispensing outlet in the base thereof. In use, the valve member is normally in closed position with the outlet disposed within the spout axially-outwardly of an inner seal between the spout and valve member. A one-way stop arrangement permits axial inward movement of the valve member relative to the spout but prevents axial outward movement, the inward movement opening the valve by moving the outlet inwardly beyond the spout.

Abstract: Disclosed herein is a cap for a liquid tank having a filler neck, such as a fuel tank for an outboard motor, which cap includes a hollow body having a top wall portion for closing the filler neck and a depending annular flange for releasably engaging the filler neck. The interior of the tank is vented to the atmosphere through one or more vent ports located in the top wall portion and the vent port(s) is selectively opened and closed by a closure member including a shank threadably mounted on the top wall portion and a cover portion for opening and closing the vent port when the closure member is turned in opposite directions. A dish-shaped baffle disposed inside the cap body in spaced relationship to the top wall portion serves a baffle to minimize spillage of fuel through the vent port(s) and also defines a chamber for collecting fuel which otherwise might leak through the vent port(s) and for draining the collected fuel back into the fuel tank when the motor or tank is in an upright operating position.