Abstract: A pushbutton switch is described which comprises a movable contact member having a snap-action disc portion bowing at its center away from said base plate and provided at its center with a movable contact and at its periphery with one or more movable contacts, and a base plate having fixed contacts located in the positions corresponding to the movable contacts. When the pushbutton is depressed to push the movable contact member toward the base plate, the movable contacts located at the periphery first come into contact with the respective fixed contacts and then the disc portion snaps or turns over toward the base plate so as to bring the movable contact located at the center into contact with the fixed contact on the base plate.

Abstract: A hinged closure has a cap part and an integral band adapted to be separated circumferentially from one another except for a narrow interconnecting hinge by removing a partial arcuate tear band between the cap part and the anchor band and then applying upward pressure upon the cap part so as to tear two remaining arcuate membranes which connect the tear band with the hinge.

Abstract: A carrying bag is provided with an opening and includes two side panels. The side panels are laminated on their inner surfaces with a waterproof material and are separated by one or more waterproof, flexible dividers secured in the bag. Each divider essentially precludes the migration of water between the compartments in the bag.

Abstract: A rigid container having an opening in a rigid lid thereof, a slidable cap recessed beneath the upper end of the container movable into position over said opening in the lid, and a seal on the lid and cap to provide an easy-to-open sealed closure which cannot be removed from the lid or dropped into the container.

Abstract: A metal cap for crimping on the neck of a container has one or two tear lines of reduced strength about its skirt which define a tear-off strip. A perforation for initiating tearing extends across the width of the strip and at least one smaller perforation is also provided in the strip. A tear-off tab (plastic tape) engages both sides of the strip and is joined together through the perforations. The larger perforation is either U- or L-shaped, a straight slot or variations thereof. The portion of the tear line adjacent the larger perforation may be scored to facilitate initial rupture in the desired direction. One or more circumferential reinforcing ribs may be provided in the skirt on one or both sides of the tear-off strip. In addition to the full circumferential tear line, a partial tear line may extend between the larger perforation and a slot in the edge of the cap to provide an initially narrow tear-off strip, which enlarges to include the edge of the cap.

Abstract: Stackable plastic bottle having a bulging base which is resistant to high internal pressure and which are able for packaging sparkling drinks comprising a base wall and a neck wall provided with an orifice in which the base wall and the neck wall each possess a central zone which, by virtue of a shoulder, projects relative to the peripheral zones of these walls.

Abstract: The invention relates to packing containers formed from shrinkable plastics material of the type in which a plastics blank is shrunk onto a mold to produce a form having a bottleneck shape. The portion so given bottleneck shape has longitudinal and relatively parallel surface pleats. The plastics material so used has a relatively thick base layer of shrinkable foamed plastics material and an outer layer of homogeneous, relatively non-shrinkable plastics material.

Abstract: A canister for an explosive primer containing capsensitive aqueous gel explosive is formed from a thermoplastic by blow-molding a pair of semi-cylindrical bottles connected by an integral hinge which have one or more corresponding grooves in their mating flat longitudinal surfaces. When the flat surfaces of the two containers are placed in contact and the containers are fastened together to form a cylinder, the matching grooves form a central longitudinal tubular passage through the canister and, if desired, one or more cylindrical wells in close proximity to the central passage.

Abstract: A unitary, integrally-formed, molded plastic closure used to seal containers having threaded necks and a radially extending collar situated therebelow. Closure includes internally threaded cap, plurality of tongues spaced about lower periphery of cap, frangible tamper indicating ring spaced axially below lower periphery of cap, and a plurality of thin webs interconnecting the ring and the tongue. Closure is advanced over the threaded neck on container by automated machinery so that ring abuts against collar on container. Indicating ring includes weakened area to allow limited radial expansion, and an inwardly extending radial flange may be defined at upper end of ring. Lugs are formed on periphery of tongues.After ring abuts against collar, continued advancement of the closure along threaded neck (1) shears the webs and frees the tongues from the ring; (2) subsequently enables the tongues to engage and enter the ring in serial fashion, and (3) resiliently interlocks the ring and the tongues.

Abstract: Apparatus and a process for its manufacture is disclosed for constructing a gastric tube drainage bag from two plastic parts, wherein one part comprises a thin bag having a seal at one end and the second part comprises a nozzle and cap assembly formed from a single plastic part, which assembly has a tapered base for insertion into the open bag end, against which the bag end may be sealed by a heating process.

Abstract: A closure cap adapted to seal the neck of a container, the closure cap having a top portion and an annular skirt which extends from the periphery of the top portion, the skirt being provided internally with a skirt thread which is adapted to cooperate with an external neck thread on the neck of the container, the skirt also being provided internally with a radially extending resilient annular thread flange which is disposed immediately adjacent to and on the same helix as the skirt thread and is disposed on the side of the skirt thread facing the open end of the skirt, the thread flange, when undeformed, extending substantially radially inwardly of the skirt thread with a gap therebetween, the thread flange, when the closure cap is fully screwed onto the neck resiliently engaging the outer wall of the neck to effect centralization and resist loosening of the closure cap, the thread flange being forced by the neck towards the skirt thread so as to reduce said gap.

Abstract: A hydrophilic contact lens with at least the surfaces formed of a high molecular weight synthetic polymer, is treated by exposure to a plasma of an inert gas under near-vacuum conditions. The treated lenses are stored in aqueous solution held in a plastic storage case, at least the interior surfaces of the storage case having also been treated with the inert gas plasma to also render its interior surfaces hydrophilic.

Abstract: A top enclosure for drinking vessels is disclosed. The enclosure enables young children to drink from the drinking vessel only when handles on opposing sides of the vessel are depressed. If only one handle is depressed, such as if the vessel drops on the floor and rolls over on one handle, then the top enclosure remains closed and fluids cannot run out of the vessel.

Abstract: The present locking arrangement is attached to the inner side of a wheel cover for a spare wheel and tire assembly which is mounted on the outside of a vehicle. Slotted plates attached to the wheel cover receive the opposite ends of a bar, which extends diametrically across the inner side of the wheel cover. This bar is transversely bent at one end, at least, for retention in the slotted plate there. A padlock coacts with the bar and at least one of the slotted plates to retain the corresponding end of the bar in that plate.

Abstract: The invention relates to screw closures for thermally-insulating containers. Each closure has a portion adapted to project into an opening of an inner, thermally-insulating vessel of the container, there being a flexible part provided on said portion, this part being intended to occupy substantially completely the opening of the inner vessel when the screw closure is introduced into the opening to reduce the possibility of heat transfer occurring in the region of the screw closure.

Abstract: A container including a closure having an automatic closure lock device which is manually releasable.

Abstract: An access door locking mechanism for a coin operated apparatus wherein the housing for the apparatus is formed having an opening in a wall portion to provide access to said apparatus. A door is mounted on the housing and is disposed for movement from a releasable position to a secured position relative to the housing wall opening. The door and the housing are each provided with members adapted to interengage upon movement of the door to its secured position for retaining the door in place. The door and housing are further provided with complementary interfitting portions for making the outer surface of the door flush with the outer surface of the housing when the door is in its secured position. The door is further provided with an outwardly projecting irregular shaped portion adapted to receive a wrench having a complementary irregular shaped opening for selectively moving the door between its releasable and secured positions.

Abstract: A plastic cap has a closure wall positionable across a container neck opening, and an integrally formed skirt wall adapted to extend around the container neck. Projections are formed on the inner surface of the skirt wall and extend laterally of the skirt toward the neck. Elongated lug-like formations depend from the closure wall into the neck opening and bias portions of the container neck toward the skirt-carried projections to clamp neck portions against the projections, whereby the cap is securely releasably retained on the container neck. In preferred practice, the skirt-carried projections cooperate with neck-carried protrusions to provide snap-on, snap-off actions as the cap is pressed onto and removed from the container neck.

Abstract: A container or carrier for goods of the kind in which the goods are enclosed in a flexible or partly flexible sealed envelope or skin, the container being partially evacuated so that the flexible skin is forced down by atmospheric pressure to embrace and hold goods on a rigid support has suction means which operate continuously and an adjustable bleed orifice open to the atmosphere to admit air into said container so limiting the vacuum to an adjustable predetermined value.

Abstract: A combined cushion and article carrier, the invention particularly provides a foam cushion held within a bag-like fabric covering, the fabric covering having a shoulder strap connected thereto to facilitate carrying thereof. The foam cushion has an indentation or pocket formed in one planar face thereof for receiving articles such as a closable cup for bingo paraphernalia, and the like, the indentation being surmounted by a zippered closure for ready access to the enclosed articles. The cushion may be used as a seat cushion when playing bingo or as a pillow when traveling such as by bus, train, airplane, or the like. When used as a pillow, money, important documents or other valuable possessions may be placed in the pocket and thus protected from theft.