Abstract: A vent assembly for the seal of a food container including a vent opening in the seal panel at least partially surrounded by an upperwardly opening recess with the vent opening and recess being below the plane of the upper face of the panel. A vent cover pivotally mounts to the seal and, when selectively closed over the vent hole, partially overlies the recess to allow for engagement of fingers with the cover in the recess for upwardly opening of the cover. The closed cover does not project above the plane of the top panel of the seal as to interrupt the planar nature thereof.

Abstract: A terminal box includes a base and a cover detachably securable to the base. The cover is provided with a stepped bore in each corner area thereof, with a spring-loaded locking bolt being insertable therein and slideable in axial direction in opposition to the spring action for securing the cover to the base. Each locking bolt has one end provided with a blade-like expansion which is created through flattening this respective end of the locking bolt. In the area facing the base, the cover is provided with radial slots which are in alignment with radial slots of the base and suitably dimensioned to receive the blade of the locking bolts. When placing the cover upon the base, each locking bolt is pressed down through the bore and radial slots in the base and turned to allow the blade of each locking bolt to bear upon an abutment of the base for securement of the cover to the base.

Abstract: A cap structure having an elastic turnover cover. Body 1 of the cap structure is closed at the top of its first circumferential wall 2 with a cover 5 having a second circumferential wall 7 depending from the outer circumference of its top wall 6 by placing the lower end of the second circumferential wall 7 on the upper end of the first circumferential wall 2. The first and second circumferential walls 2 and 7 have their individual backs connected at their upper and lower ends by a hinge 10. The upper and lower portions of the backs of the first and second circumferential walls 2,7 are so connected through an elastic band 12 that the cover 5 can be opened or closed by the hinge 10. The hinge 10 is integrally molded of a synthetic resin at the back of the elastic band 12. This eliminates notches as a mold parting mark, which might otherwise be left in the cover when the cap structure of this kind is to be integrally molded of a synthetic resin in accordance with the prior art.

Abstract: An easy open container which is also child resistant provides for a cap for attachment to the container. The cap contains an indent for retaining the cap on the base. On the neck of the container there is contained a lip which retains the indent thereon so that the cap is child resistant. In addition, the cap is also easy to open in that extending from the cover portion of the cap is a flange, which provides for an easy to grip mechanism so that an arthritic user is able to grip the cap and align the detent with a discontinuity in the lip.

Abstract: A cap adapted to be secured to an open end of a container employs a vertical hollow cylinder provided with an open lower end adapted to be secured to the open end of the container and a closed upper end with a small centrally disposed first opening therein surrounded by a raised peripheral first lip. The cylinder upper end has a second peripheral lip extending upwardly above the first lip, the second lip having first and second oppositely disposed cut out regions communicating with the cylinder upper end. A first horizontally elongated flexible member has first and second opposite ends each of which is aligned with the corresponding one of the first and second regions and is disposed between the first and second lips. The first member has a flat top surface and a downwardly depending extension which slidably engages the first lip. The extension in a horizontal plane defines a FIG. 8 with left hand and right hand sections.

Abstract: A one-piece closure for dispensing product from a container has a cap secured to the container and a lid connected to the cap by a support arm through an integrally molded hinge. The support arm is pivoted by the hinge between a pair of upstanding projections on the end wall of the cap. Ribs projecting laterally from the support arm engage the projections to maintain the lid opened when the container is inverted to dispense product. When the lid is pushed closed, the ribs deform to allow the support arm to pass between the projections. In one embodiment, side edges of the ribs engage upwardly facing cylindrical camming surfaces on the projections. In another embodiment, the outer surfaces of the ribs engage confronting flat surfaces on the two projections. In the closed position of the lid, the ribs in both embodiments are received in recesses in the projections so that they do not become permanently deformed and loose their effectiveness over time.

Abstract: A tamper-indicating plastic closure includes an annular pilfer band which is partially detachably connected to a skirt portion of the closure, whereby the pilfer band remains connected to the closure after closure removal from an associated container. The pilfer band includes at least one fracturable region which fractures during closure removal, whereby the pilfer band splits and separates into a plurality of segments. Each segment is preferably dimensioned to facilitate its removal from an associated container by automatic washing equipment in the event that one of the segments is inserted into the container by a consumer.

Abstract: A resealable liquid container is provided which consists of a cylindrical body to hold liquid therein. A top end is affixed on the cylindrical body, with the top end having an aperture therein. A structure is built-in the top end of the aperture, for opening and reclosing the aperture. When the aperture is opened the liquid can be poured therefrom. When the aperture is closed the liquid will be retained therein, so that the liquid can be maintained in a sanitary condition.

Abstract: A container closure having a multiple liner seal is disclosed. The closure comprises a plastic closure cap having a circular top wall portion and a depending annular skirt portion. The skirt portion has an internal thread formation for threadedly engaging a cooperative container. In a typical closure, a pilfer band depends from the skirt portion. The closure cap has an abutment internal thereto, generally at the juncture of the top wall portion and the skirt portion. A first resilient, molded-in plastic seal is positioned in the cap adjacent to and against the top wall portion, and a second resilient plastic seal is positioned in the closure and extends thereacross resting upon the abutment. When the closure is threadedly engaged with a container, the second seal provides a top/side seal to seal the contents from the environs. The closure will seal a container with or without the second seal in place because of the independent sealing capabilities of the first seal.

Abstract: The present invention provides a container closure molded from plastics material and comprising a crown, an annular skirt depending from the crown and formed with a screw threaded on its internal surface and a tamper evident ring connected to the end of the skirt remote from the crown by a series of frangible bridges extending across an axial gap between the ring and the skirt, or by a band of the material with a circumferential line of weakening therein. The ring has spaced along its inner surface a plurality of radially inwardly projecting protrusions each having an abutment surface generally facing the crown, but having a slight inclination away from the crown in the radially inward direction, and an inwardly facing cam surface inclined away from the crown. The inwardly facing cam surface has a compound curve tapering downwardly from the crown and towards the screwing-on direction, thereby to assist capping.

Abstract: A resilient, modular closure for selectively sealing an opening in a pry tab beverage can. The closure comprises a handle perpendicularly extending from an integral body. The handle is grasped between the thumb and the forefinger of the user. The body comprises a downwardly-projecting, beveled offset adapted to mate with the can opening, and a notch adapted to wedgably engage the pry tab. The ventral surface of the body comprises a circumferential ridge adapted to contact a top of a beverage can to seal around the opening or to mate with a reinforcement channel surrounding the can opening. Raised guides are defined along the dorsal surface of the notch for captivating the pry tab during installation of the closure. A snap fit yieldably engages the rim of the can when the closure is installed. The snap fit comprises a rim-receptive slot. A stop extends rearwardly from the body to contact an inner surface of the rim, and an "L" shaped jaw extends downwardly from the handle.

Abstract: A safety cover assembly for use with an associated storage drum. The assembly includes a drum insert with a collar having a two-part cover assembly disposed atop the collar. The moveable part of the cover assembly is actuated by one portion of a crank mechanism, the other portion of which includes a pair of ends secured to a treadle and riser assembly. In use, pushing down on the treadle lowers the one portion of the crank mechanism, and raising the other portion and the associated cover. The treadle and riser assembly is open at the rear to facilitate removal and replacement of the drum. The moveable cover part may be secured to the crank by a fusible link for fire protection.

Abstract: A drug vessel includes a vessel body with a narrow neck extending to an open end of a mouth portion thereof, and a stopper fitted in the open end. The stopper includes a stopper body of an elastomeric material with a through-hole passing through a central portion thereof along its center axis, and a closing body fitted into the through-hole of stopper body to block the through-hole.

Abstract: The invention disclosed is a reusable cap adapted to hermetically seal the top of a standard beverage can so as to contain the carbonation within the can and to prevent spills. The cap comprises a flat topped resilient outer shell, and an elastomeric inner member adapted to mate with the entire recessed top of the can to form a liquid and airtight seal.

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

Abstract: A beverage can end for connection with a can body having a necked-down top, and wherein the center expansion panel of the end forms a gate which is pushed downwardly into the can to open it. This provides, essentially, an open-top-can wherefrom a beverage may be drunk in the same manner as if it were a glass or a cup. The can end, of drawn metal, includes a triple fold reinforcement ring constituting a chuck panel adjacent to the chuck wall of the peripheral seaming ring of the end. The upper layer of the triple fold connects with the bottom of the chuck wall and the lower layer with the center expansion panel. A score-cut about the underside of the lower layer, with a short uncut portion forming a hinge, permits the center expansion panel to be separated from the triple fold and pushed downwardly to open the can.

Abstract: A lockable container is disclosed which has a base part and a cover which is pivotally attached to the base part. A lock has a lock catch which is adjustable between a locking position and a free position via key activation of the lock from the outside of the container. In its interior, the container is provided with a holder for a key belonging to the lock. The holder is arranged to form a storage place for the key and to securely hold the key when the lock is not being used. The holder is so located with respect to the lock that the lock catch, through mechanical contact with the key, is kept out of the locking position even when the cover is closed.

Abstract: A kettle includes a kettle body, a kettle cap screwed on the kettle body, a cover member covering the kettle cap, and a sucker inserted through a hole in the kettle cap. One end of the kettle cap includes a pivot support seat onto which a resilient member is connected. A pressing board is fit onto the cover member and is engaged with the resilient member. The other end of the pressing board is formed with an engaging hook section which fits into a depression formed in the kettle cap. The pressing board simultaneously presses and folds the sucker to close flow therethrough. A prying member is pivotally disposed in the kettle cap. The front edge of the prying member has a trigger section located under the engaging hook section, whereby by pressing the prying member, the trigger section is able to move and separate the hook section from an engaging recess to uplift the pressing board and cover member.

Abstract: A case, particularly for cosmetic products, of the type comprising a base (1), a cover (2) articulated on an edge of the base (1), a catch (4, 5) for the cover (2) and the base (1) on the edge opposite the articulation (3), and a thumb piece (6) for freeing the catch (4, 5). A block (13) is elastically buttressed between the base (1) and the cover (2) and disposed so as to be prestressed during closing of the cover (2).

Abstract: A container system for reagents and other substances used in a medical diagnostic apparatus. The container system includes a vial made of blow-molded plastic, which can withstand lyophilization. The bottom portion of the vial has an annular groove and is shaped as a truncated cone below the annular groove. An auxiliary member can be snap-connected to the vial at the annular groove so that the vial will stand upright on a flat surface and contains a central aperture through which the vial remains in contact with the flat surface. The container system also includes a stopper at the mouth of the vial and a snap-on plastic cover to secure the stopper. The cover has a tab which is kept at a raised position by a lifter protrusion which bears against the stopper. The cover has tearslots which are ripped when the tab is pulled. One of the tearslots is shorter than the other and keeps the tab from being entirely detached from the remainder of the cover when the tab is pulled.