Abstract: An adhesive composition for bonding polished metal surfaces to vinyl chloride polymer coated metal substrates is disclosed which is comprised of a thermoplastic vinyl chloride polymer resin, a thermosetting epoxy resin normally incompatible with the vinyl chloride polymer resin and an amount of an acrylonitrile/butadiene/styrene copolymer which imparts compatibility between the epoxy resin and the vinyl chloride polymer.

Abstract: A method and apparatus for sealing plastic or synthetic coated sealing surfaces of cardboard containers to each other is disclosed. One feature of the invention resides in preheating (by 15) of at least one (48) of the plastic or synthetic layers and then sealing (station 16) by the simultaneous application of heat and pressure. Another feature of the invention resides in the fact that the pressure is applied at spaced intervals (by 40) and in such a manner that one (47) of the plastic or synthetic sealing layers remains with the top of the box upon removal thereof. A container sealed in such a manner is also taught.

Abstract: A method of manufacturing a container with a lid comprising folding a blank of material to form an inner lid element having a flat bottom and a frame along at least two sides of said bottom, placing the inner lid element into an open end of a filled container with the bottom of the inner lid element facing into the container, placing a blank of material for an outer lid element against the frame of the lid element and joining the outer lid element to the inner lid element.

Abstract: The method of forming applicator packages comprises the steps of feeding a continuous web of material, such as one comprising an aluminum foil having an inner coating of a thermoplastic material; forming successively a plurality of recesses along the web of material; depositing a fabric applicator pad into each said recess; securing said fabric applicator to the inside portion of said recess by means such as heat sealing said pad to the thermoplastic lining of said aluminum foil; dispensing a predetermined quantity of product to be applied by said fabric applicator, to said applicator; feeding another continuous web of material from a supply roll so as to be continuously aligned in a coextensive manner with said first web of material, said other web of material comprising, for example, an aluminum foil having an inner coating of a thermoplastic material; sealing the peripheral marginal edges of each applicator package so as to form a thermoplastic hermetic closure about all sides of said recess leaving at lea

Abstract: Disclosed is a process for the preparation of cans which comprises pressing a flexible lid comprising an aluminum foil as a substrate and a heat-sealable resin layer formed on the surface thereof to a metallic can body being formed of a surface-treated ferromagnetic steel plate and having a curl on the edge of an opening in such a positional relation that the curl portion of the can body confronts the resin layer of the lid, and induction-heating the curl portion selectively by a high-frequency induction-heating coil located in the vicinity of the periphery of the curl portion to form a seal between the curl portion and the lid by heat-sealing. According to this process, the curl portion to be heat-sealed is selectively heated, and heat-sealing can be accomplished in a short time while preventing deterioration of a lacquer or sealant.

Abstract: A thin-walled can body having a terminal curled rim at an open end thereof, has this open end closed and sealed by a diaphragm which is first formed into a dished shape by a forming tool which then cuts the dished diaphragm from a web and places it on the open end of the body. The upturned edge portion of the diaphragm is subsequently pressed into adhesion between a heat-sealable layer of the diaphragm and the curled rim, the latter being hot, by a presser tool comprising a mount carrying a spring-loaded pad. The pad is resiliently deformable and applies controlled pressure directly on the diaphragm, thus effecting complete conformity of the latter to any irregularities of the curled rim.

Abstract: Disclosed is a container for storing product, a process and apparatus for making that container, a process and apparatus for drawing and blow forming plastic into a paperboard outer container and a process and apparatus for heat sealing a container. The container comprises a paperboard outer container and a plastic inner container which has been drawn and blow formed into the outer container. At the mouth of the container are horizontal plastic flanges which extend about the periphery of the container at least about 1/8 inch outwardly from the plastic inner container. Vertical flanges extend downwardly at least about 1/8 inch from the horizontal flanges. After product is placed in the container, the container is sealed by a heat sealable cover. A plastic overcap may be provided which engagedly fits around the container at its top.

Abstract: A method for sealing a cylindrical or truncated cone shaped container body the lower end of which is sealed with a base, comprising the steps of pouring a liquid into said container body through its upper open end to a predetermined level, slightly deforming upwards said base, and thereafter sealing the upper open end of said container body.

Abstract: An elongated, two-piece, hardshell, digestible gelatin capsule, to be taken orally, comprising a C-shaped body member into which may be inserted a liquid, and a digestible hard-shell gelatin cap member formed with a stepped free marginal edge portion complementary to the body member, telescopically registrable with the free upper end of the body and welded thereto in overlapping hermetically sealing, closing relation.

Abstract: A method for preparing a glass container, and for sealing a glass mouth of a container and the seal are described. The sealing surface, or finish, of the container is subjected to a hot end treatment after forming and before annealing to enhance adhesion between the container finish and a thermoplastic membrane seal. The container is next annealed and after annealing is subjected to a cold end treatment in which the exterior container surface is coated with a material which enhances the lubricity and increases the abrasion and scratch resistance of the container. The container finish only is then subjected to a brief heat treatment sufficient to remove any lubricity enhancing material from the finish. A membrane comprising a thermoplastic film is pressed onto the container finish and heated causing glass-plastic adhesion and forming a closure.

Abstract: A method of packaging an electronic module in a cap is disclosed. The module, comprising one or more silicon chips mounted on a substrate and having the chips sealed onto the substrate with a silicone polymer is supported on a cap with the chips disposed inwardly. An epoxy is dispensed on the back surface of the substrate and allowed to flow and bridge over the gap between the substrate and cap. The epoxy is cured by first heating the assembly with the applied epoxy to a temperature which will gel the epoxy. The temperature and rate of heating are selected so that the temperature is stabilized before the critical viscosity of the epoxy is reached. Subsequently, a higher temperature is used to complete the cure. The process is also characterized in that no significant decrease in temperature is permitted after the dispensing and flowing of the epoxy.

Abstract: A glass container having an upper rim for dispensing the contents thereof and a sealing membrane adapted to be applied to said rim to seal the contents of the container. The sealing surface of the container is prepared by treatment with fluorine and a metal oxide, or a sulfur oxide and a metal oxide, or with fluorine alone or a sulfur oxide alone, at an elevated temperature. To form the closure a membrane comprising a thermoplastic film is applied over the sealing surface and heated to result in a glass/plastic adhesion. The membrane may be a thermoplastic polymer/aluminum foil laminate.

Abstract: A machine and process useful for fastening a closure member to a container with an upstanding tubular wall, an end edge of which is folded over onto itself to form a folded-over, reinforced portion of double thickness at that end, the closure member having an upstanding tubular inner wall conforming to the inner surface of the folded-over, reinforced portion and a downstanding tubular outer wall connected thereto and conforming to the outer surface of the folded-over, reinforced portion, thereby forming a tubular channel in which the folded over, reinforced portion is seated in frictional engagement, which comprises a dish-shaped fastening head adapted to be positioned around the closed end of the container between the jaws of a pincer, one end of which comprises a punching point and the other of which comprises an anvil, and a wedge or a wedging toggle arranged to wedge a plurality of said punching points into selected portions of the upstanding tubular inner wall of the channel into the inner surface of the

Abstract: An apparatus for heat sealing composite lids, made of a laminate of a light ductile alloy coated with a layer of thermoweldable plastic material, on glass containers. The apparatus applies, under pressure, a flexible membrane onto said lid while disposed in position on the mouth of a glass container. The membrane is a simple sheet stretchingly supported by its outer periphery on a movably and hingedly supporting frame. The side of said membrane opposite said lid is subjected to a controlled heat flow, thus sealing the lid to the container.

Abstract: A platen including an annular surface adapted to heat seal a piece of film to the lip of a cup, and a central projection which is hotter than the annular surface to cause greater shrinkage in a central portion than in the surrounding portion of the sealed piece of film. This shrinkage of the central portion and the resultant gathering of the surrounding portion results in a planar central portion of the sealed film with radially projecting ridges and grooves around its periphery. The ridges and grooves draw visual attention to the central portion and features, such as perforations for a straw-hole, located therein.

Abstract: A method for preparing a glass container, and for sealing a glass mouth of a container and the seal is described. The sealing surface of the container is prepared by treatment with fluorine and a metal oxide, or a sulfur oxide and a metal oxide, or fluorine alone or a sulfur oxide alone, at an elevated temperature, in the case of fluorine employing a fluoride compound which decomposes at the temperature and, in the case of a metal oxide employing a metal oxide precursor. To form the closure, a membrane comprising a thermoplastic film is pressed over the sealing surface and heated to result in glass-plastic adhesion. The membrane may be a thermoplastic polymer/aluminum foil laminate.

Abstract: A hermetically sealed recloseable container is provided in which the closure is formed from a thermoplastic ring and an independent sheet-form member which is bonded to the ring and the upper end of the container such that when the closure is removed the sheet-form member will remain integral with the ring to provide a closure useful for reclosing the container. The method of forming such a sealed container is also provided.

Abstract: A container sleeve 1 having an inner coating 5 of a heat weldable plastics material is fitted with a closure element 2 having a collar 4 of meltable plastics material. The assembly is rotated while a hot welding shoe 35 is inserted through the open end of the sleeve and brought to bear against the collar, which melts the latter and fuses it to the tackified coating 5 to thereby provide a tightly sealed joint.

Abstract: A method and an apparatus used for sealing a plastics lid to a container of plastics-coated paper board, the lidded container at several locations in the area which the lid joins the container, being supplied with energy in the form of electromagnetic microwaves, and the energy being absorbed in the paper board to melt for welding of the lid to the container.

Abstract: A method of sealing containers is disclosed in which a glass jar having a small upwardly convex bead on its rim is filled and sealed using a metal foil membrane with a heat seal resin on its undersurface and a plastic snap cap having a material thickness over the bead on the jar of at least twice the height of the bead. The foil membrane is induction heated while high unit pressure is applied against the top of the snap cap to impress the bead on the jar and foil membrane into the plastic of the cap to form the foil membrane over the convex surface on the bead and seal the membrane to the jar.

Abstract: The specification discloses an apparatus adapted to heat seal a lid of a series of like lids, interconnected by severable tabs, to an open container. The apparatus comprises a driven conveyor for conveying the containers and a lid heat-sealing and tab-severance station. The containers are momentarily stationed beneath the lid heat sealing and tab severance station to press and heat seal an aligned lid onto a supported container rim. The tab which interconnects the sealed lid to the supply of series of like interconnected lids, is severed prior to the conveyor advancing the next container to be sealed.

Abstract: A liquid soap dispensing system includes a closed soap container having a manually actuated dispensing pump carried therebeneath. Refill of the container is by a plastic refill squeeze bottle with a neck defining an outlet opening closed by a membrane recessed therein. One embodiment of the bottle is formed by ultrasonically welding in the neck end, after the bottle is filled, a plug defining a cylindrical sleeve closed at the inner end thereof by a closure wall. The neck is inserted into a well in the top of the container, and a hollow piercing member at the bottom of the well ruptures the membrane or closure member, whereupon soap may be squeezed from the bottle and through the passage through the hollow piercing member, which is constricted by septa dividing the passage into channels such that flow of liquid soap therethrough at equal pressures at both ends of the passage is substantially inhibited.

Abstract: This invention relates to a method and apparatus for the aseptic packaging of high acid food products. More specifically, the present invention is directed to a method whereby preformed barrier plastic containers are immersed in an aqueous sterilizing bath at a temperature ranging from 212.degree. F. to 140.degree. F. for a time interval ranging from one to sixty seconds, following which, after draining the sterilizing liquid therefrom, the containers are filled with presterilized high acid food product under essentially inert atmosphere conditions and thereafter closed in an inert atmosphere by sealing a sterile closure element thereto. Novel apparatus for automatically carrying out the method of the invention is also provided.

Abstract: A package having plural layers with a quantity of volatile substance such as deodorizer sandwiched between the layers. The outer layers of the laminate are impermeable to the substance and its vapors, and thus prevent escape of the vapors as long as the package is sealed. Upon opening of the package, delamination occurs at the interface between two selected layers such that the volatile substance is covered on one side only by a layer of material which is permeable to the vapors, thereby allowing controlled release of the vapors over a period of time. A process for production of such packages is also disclosed.