Abstract: A container for transporting a compressed block of tobacco (18) comprises rectangular bottom top front rear and two side walls (2,4,1,3,5,6) which are formed of pliable sheets of non-shape sustaining fabric, such as woven polypropylene. The top wall (4) is connectable by a sliding clasp fastener (9,10,11,12) along three of its edges to the adjacent upper edges of adjacent walls.

Abstract: A wc disposable ostomy bag has a wall formed from an inner layer of polyethylene and an outer layer of polyvinyl alcohol. Two flexible layers of aluminum are located between the inner and outer layers to reduce odor transmission through the wall. The material of the walls may be formed by vapor depositing the aluminum layers on respective faces of the inner and outer layers and then laminating the inner and outer layers together with the aluminum layers facing one another. Alternatively, both aluminum layers may be deposited on the same one of the inner or outer layers with a thin non-metallic layer between them to prevent the aluminum layers having common grain boundaries.

Abstract: A litter box liner comprising a polyethylene bag having on one side a sheet of spun bonded non-woven nylon fibers bonded therto. The bag is pulled over a litter box with the nylon sheet extending upwardly and is pulled off the box by inverting the bag to enclose the animal waste and litter that was disposed in the box. The nylon sheet rendered the liner claw resistant.

Abstract: Disclosed is a flexible package made of plastic and capable of standing by itself, comprising a generally cylindrically-shaped body, comprised of a flexible plastic film; a first cover part at one end of the cylindrically-shaped body; and a second cover part at the opposite end of the cylindrically-shaped body, wherein the cover parts are bonded to the plastic film by heat-sealing. Also disclosed is a packaged liquid product, in particular a product under gas pressure, and a method for producing the packaged product.

Abstract: A multiple layered device and method of using same for safely and efficiently removing excess fats and oils from fried and grilled foods immediately after cooking, prior to consumption. An outer grease impervious body portion is covered on the inner surface thereof with a grease absorbent material which in turn is overlaid with a foraminous grid which separates the food from the absorbent material while permitting the passage of grease therethrough. The device is disposable in an ecologically acceptable manner.

Abstract: A package for use in cooking or heating a food product in a microwave oven which comprises an outer paper container and an inner liner and a microwave interactive heater comprising a coating composition printed onto the surface of a suitable substrate or a selected portion of the outer container or inner liner. The coating composition preferably comprises finely divided carbon, aluminum flake, clay and a binder in a preferred embodiment, a polyester inner liner eliminates the need for an overwrap in packages containing a food product, such as popcorn and an oil.

Abstract: The present invention pertains to a method of packaging hazardous liquids for shipment or containment, and to the structure and composition of the packaging which can be used to practice the method.The method comprises packaging a hazardous liquid for shipment or containment wherein the hazardous liquid, present in at least one sealed container or in a leaking container, respectively, is placed in a package which can be sealed so that the package completely surrounds and isolates the container, wherein the improvement comprises:constructing the packaging material so that it comprises at least two layers, including an interior layer and an exterior layer, wherein the interior layer of the packaging material adjacent to the sealed or leaking container can be penetrated by liquid which escapes from the container, and wherein the exterior layer of the packaging material, the external portion of which is in contact with the external environment, is impermeable by the liquid and by hazardous vapor therefrom.

Abstract: A plastic or like material liner inserted within a fabric type bulk bag so that the liner is secured in position within the bag with an adhering means along substantially the outer surface of the liner for adhering to the inner most surface of the bulk bag at strategic points, and a second adhering means for adhering the lower portion of the bulk bag to the liner at substantially the point of exit of bulk contained within the bag, so that release bulk from a lower spout would not tend to dislodge the liner from its lined position within the bag.

Abstract: A cooking grease disposal bag is formed with a multiply construction and has an internal layer of a heavy gage deformable aluminum foil, an intermediate layer formed by a puncture resistant polyethylene sheet, and an outer layer formed by an insulating paper material. First and second fold lines are designated by indicia on an external front wall of the bag. A permanent adhesive strip covered by a peel off layer is disposed across a top edge of the front wall and a pair of tacky adhesive strips each having exposed tacky adhesive surfaces have a first end secured adjacent a first fold line and a second free end. The tacky adhesive strips may be utilized to temporarily seal the bag, while the permanent adhesive strip may be utilized to permanently seal the bag for disposal.

Abstract: This invention relates to a method of improving the adhesion between a layer of vinylidene chloride copolymer and a layer of a linear ethylene/alpha-olefin copolymer and to the film produced thereby. More particularly, the invention relates to heat shrinkable films having a barrier layer of vinylidene chloride copolymer and a layer of linear low density polyethylene or very low density polyethylene and to a method for increasing the adhesion between the layers and thereby decreasing the incidence of delamination by blending the linear ethylene/alpha-olefin copolymer with an ethylene/butyl-acrylate copolymer.

Abstract: A low-level radiation waste management system collects low-level radiation wastes in hospitals, etc. The system includes a cylindrical fiberboard receptacle and a receptacle liner which is deployed in the barrel and has its upper marginal edge everted over the side of the barrel. A cover including a depending skirt is removably positioned covering the top of the barrel the skirt surrounding the upper portion of the barrel and the everted liner. The receptacle liner and cover are fabricated of radiation shielding material, e.g. panels vinyl encapsulated lead with vinyl outer sheeting dielectrically welded together. After wastes have been collected, the cover is placed in the receptacle liner over the wastes, and the everted portion of the receptacle liner is pulled up and, gathered and tied. This portion of the receptacle liner is uncontaminated. The receptacle liner with the cover and wastes inside may be transported to a disposal site and buried.

Abstract: A waste bag made of a synthetic plastics material. It has an internal lining of a liquid-absorbent material which terminates inwardly of the mouth of the bag, so that the latter is free of lining in the region of its mouth to enable that region to be gathered and tied.

Abstract: The invention provides a flexible packaging sheet including one or more supporting sheets and a base sheet to which is applied a microwave interactive material in the form of a coating or film. The microwave interactive material can comprise any of several elemental metals or oxides such as iron oxide or tin oxide or a thin semiconductive metallic film applied by vacuum electrodeposition. The supporting sheets comprise non-thermoplastic fibrous sheet material such as paper. The base sheet can comprise a plastic resinous material such as polyester.

Abstract: The present invention relates to packaging edible solid fats, and more particularly to a two-piece packaging system comprising an outer casing of container or similar rigid material, defining the overall shape of the package, and an inner sealed bag of a thin, flexible packaging material. In the practice of the present invention, the fats are heated to a molten state, introduced into the inner sealed bag, and allowed to cool and harden in the bag.

Abstract: Sheet material for making a water closet disposable article, such as a bag for body waste products, is unaffected by contact with water of neutral pH, but is degraded on contact with an alkali added to the pan of the water closet. The material may have a central layer of polyvinyl alcohol, an inner layer made up of at least two coatings of a blend of polyvinylidene chloride acrylonitrile copolymer with carboxylated acrylic copolymer, and an outer layer of at least two coatings of carboxylated acrylic acid. A similar sheet can be used to back an absorbent layer of a sanitary article, such as a diaper. In use, an alkaline substance containing triethanolamine and a surfactant, such as sodium dioctyl sulphosuccinate, is added in liquid form to the water closet pan prior to dropping in the bag or other article, so as to raise the pH of the water to about 10.

Abstract: A paper bag having a barrier material and a method of coating paper for use in making such a paper bag. The inventive method comprises of the steps of: continuously removing in a direction of travel a strip of paper from a source of paper at a predetermined speed; masking with a liquid impervious mask at least one longitudinal portion of the strip of paper in the direction of travel; routing the strip of paper and the mask through a bath of liquid barrier material, the liquid barrier material substantially saturating the strip of paper except for the masked portion; removing the mask from the strip of paper after moving it out of the liquid barrier material; and forming a selected length of the strip of paper into the bag. The paper bag has at least a front side and a back side each having at least one longitudinal portion extending the length of the bag. The longitudinal portion has a width less than the width of the front and back sides.

Abstract: A roll of continuous laminated web product usable for forming a flexible package includes a first continuous flexible web formed of a gas barrier material adapted to form an inner bag of the package, and a second continuous flexible web adapted to form an outer bag of the package. The first and second webs are adhered together by adhesive bonds in the form of a discrete pattern of bonded areas which repeats in the machine-direction of the laminated web construction to define a plurality of sequentially disposed, dual walled sheets between such discrete patterns of bonded areas. Each of the discrete patterns of bonded areas includes discrete bonds which are spaced-apart from each other in the cross-machine-direction of the roll to define at least one passageway between the discrete bonds.

Abstract: A cooler bag intended to be carried at one's back by means of a shoulder strap. The bag is constructed to include an outer layer or shelll and an inner waterproof bladder with the body of the bag having between the outer shell and the bladder a layer of insulation. While the bag is generally circular in cross-section, the bottom of the bag has a forward concave edge portion so as to fit the general contour of one's back. The shoulder strap is selectively connected to the bottom portion of the bag either at one side or the other depending on which shoulder is engaged by the shoulder strap. The bag also has a desirable closure arrangement including closure flaps which are folded into overlying locked relationship.

Abstract: A vacuum skin package, having a peripheral area and a central area, comprises a thermoplastic supporting member; a thermoplastic heat-formed top web sealed to the supporting member in the peripheral area of the package; a first moisture impervious metallic sheet having outer and inner non-heat sealable surfaces; a second moisture-impervious metallic sheet having outer and inner non-heat sealable surfaces; the first and second sheets unbonded to each other and substantially enclosing therebetween a product in the central area of the package; and the product and enclosing sheets disposed between and enclosed by the supporting member and top web, the top web in comunication with the outer non-heat sealable surface of the first sheet, and the supporting member in communication with but unbonded to the outer non-heat sealable surface of the second sheet.

Abstract: Process for combating pests and weeds in soil, by covering the soils with films and gassing them with biologically active compounds, especially methyl bromide, wherein the soil covering film, comprises a gas-tight upper film and a gas-permeable lower film joined to the upper film at its edges, which serves at the same time as a gas container from which the gas diffuses through the lower film into the soils to be treated.

Abstract: A package for carrying, dispensing and reheating hot fried foods is disclosed. The package comprises an inner and an outer layer. The inner layer is a grease-absorbent layer and the outer layer is grease-resistant and flame retardant. The layers are preferably made from paper. The layers are connected only at two points, e.g., top and bottom, to provide for insulating, circulating air between the two-plies. The invention is able to insulate against loss of heat, allows for the venting of steam to prevent sogginess, absorbs grease on the inside to prevent sogginess, is grease resistant on the outside to prevent grease staining, has structural integrity and is cost effective. The invention is able to provide a reheating package for both microwave and conventional ovens.

Abstract: A barrier film having excellent low oxygen permeability is provided and includes a flexible polymeric substrate having an adherent amorphous carbon coating. The coating is applied by generating a gas plasma from a hydrocarbon gas within a coating chamber such that ions in the gas plasma impinge upon the polymeric substrate. A barrier film having an ultra low oxygen permeability is produced by coating a second polymeric substrate over the amorphous carbon coating.

Abstract: A plastic bag for vacuum packaging comprises an inner layer of heat sealable thermoplastic material which incorporates interconected air channels on its inner surface and an outer layer of gas impermeable material. Optionally, one or more intermediate layers may be included between the inner layer and the outer layer. The inner layer and the outer layer, and any intermediate layers, are joined together such that no air pockets exist between the inner layer and the outer layer.

Abstract: The isothermic package is comprised of a flat and flexible envelope (10) of which the two walls (11, 12) are welded along three sides so as to provide an opening (13) for introducing and withdrawing the product (P) to be kept warm or cold during its transportation. The walls (11, 12) are each comprised of two isothermic sheets (14, 15) which delimit therebetween a spaced (16, 17, 18) filled with a gas having a low heat transmission power.

Abstract: Methods and apparatus are disclosed incorporating a design into the skin of a apple or other fruits or vegetables with a photochemically reactive skin or surface by covering the apples while still on the tree with a bag having a reflective outer surface and a non-reflective inner surface. The bag has at least one aperture to allow for the drainage of fluids out of the bag, and further has a light barrier positioned to block light from entering through the aperture into the interior of the bag. The bagged apples are harvested and transferred to a substantially light-exclusive environment where the bag is removed. A label or symbol is applied to the skin of the apple or fruit and the apple or fruit exposed to artificial light to develop the color of the skin of the apple.

Abstract: An internally lined food storage bag useful in the storage of moisture-retentive foods such as fruits and vegetables. The storage bag comprises a hand-closed water-impermeable outer bag containing an absorbent inner bag. The inner bag is made of water absorbent paper or paper-like material attached at the bottom and in small areas (i.e., spots) only part of the way up the interior of the outer bag, thereby enabling separate closure.

Abstract: A flexible sheet structure is described which comprises a base sheet having a microwave coupling layer, e.g. electrodeposited aluminum as an island covering a selected area of the sheet. The uncoated portions will not be heated and will not be damaged by microwave energy. The selectively located microwave coupling covered area transfers absorbed heat to a product by thermal conduction. In one form of the invention a flexible fibrous backing sheet such as paper is bonded to the base sheet to provide dimensional stability and prevent warping, shriveling, melting or other damage during microwave heating.

Abstract: A composite vacuum bag material includes a flexible fabric of polymeric material having a void free layer of elastomer bonded to one side. The exposed fabric surface, treated with a release agent provide air passageways when applied against the surface of an article during vacuum bagging.

Abstract: Methods and apparatus are disclosed for incorporating a design into the skin of an apple or other fruits or vegetables with a photochemically reactive skin or surface by covering the apples while still on the tree with a bag having a reflective outer surface and a non-reflective inner surface. The bag has at least one aperture to allow for the drainage of fluids out of the bag, and further has a light barrier positioned to block light from entering through the aperture into the interior of the bag. The bagged apples are harvested and transferred to a substantially light-exclusive environment where the bag is removed. A label or symbol is applied to the skin of the apple or fruit and the apple or fruit exposed to artificial light to develop the color of the skin of the apple.

Abstract: A film laminate for flexible containers capable of containing a product to be maintained and accessed under sterile conditions. The laminate having an outside layer of linear low density polyethylene, a core layer of nylon, an inside layer of linear low density polyethylene and two layers of a polyurethane adhesive for bonding the layers.

Abstract: A child-safe toy box includes a container and lid assembly structurally defined by self-supporting, readily flexible foam having a form fitting cover thereon which protectively encloses the foam. The cover may be of woven cloth and includes an inner portion permanently disposed over the foam and an outer decorative portion. The outer portion of the cover is provided with snap-open seams to allow removal thereof from the container and lid for cleaning purposes. A cloth hinge connects the lid with the container. An optional flexible, plastic liner may be inserted within the container to provide added rigidity and protect the foam against piercing by sharp toys.

Abstract: A packaging material for photosensitive materials comprising a laminate of at least three layers comprising thermoplastic resin bonded fabric of the mesh structure and flexible sheet layers laminated on both sides thereof, wherein:(a) said thermoplastic resin bonded fabric of the mesh structure has a mean thickness of 0.01 to 1.3 mm,(b) said thermoplastic resin bonded fabric of the mesh structure has an aperture ratio of 15% to 98%,(c) said laminate including one or two or more light-shielding layers, and(d) only one layer of said flexible sheet layers on both sides of said thermoplastic resin bonded fabric of the mesh structure is applied with an adhesive layer, and the other (opposite) flexible sheet layer is bonded and laminated over at least 10% of the overall area through the apertures or meshes in said fabric.

Abstract: A backpack or transport bag including an outer pack structure of pliable material, preferably treated on one side with a water resistant coating, and including a number of seams or other perforations therethrough to attach straps, pockets, etc., the outer pack structure including closure means to close an opening defined therein, and an inner bag structure of a shape complementary to the outer pack structure and also of a pliable material coated on one side thereof with a water resistant material, the inner bag means including complementary upper closure means to attach to and function with the closure means of the outer pack, the inner bag and the outer pack preferably having seams at differing locations.

Abstract: A protective dispensing assembly for ultrapure liquids which comprises an outer protective enclosure containing a flexible liquid container composed of fluorocarbon material which is inert and will not contaminate ultrapure liquid contained therein. The flexible dispensing container within the protective enclosure is formed by heat sealing a pair of fluorocarbon sheets so as to form an internal chamber for containing the liquid. The sheets form a bottom opening which receives a length of fluorocarbon tubing having its upper end in communication with the internal chamber. The sheets of the flexible container each form tab members located below the bottom opening of the container which are wrapped in overlapping manner about the fluorocarbon tubing and are heat sealed to form a tubing/container connection having efficient structural integrity. For further strength, a heat shrink sleeve is positioned about the wrapped tab members and is also heat sealed to the tab members and tubing.

Abstract: A bag structure and method of making the same, wherein a liner on the inside of the bag body has a closed top within the bag body top providing a primary closure for the bag which must be opened for access to contents within the bag. A secondary closure comprises a reclosable fastener zipper carried by the bag body top above the primary closure for access to the primary closure, and then serving for selectively opening and closing the bag top opening.

Abstract: There is provided a container useful for both storage and administration of a liquid medical composition for example as a barium enema the container comprising a flexible wall (1) and having a port (10) adapted for connection to a tube and having a composite wall including an innermost layer (11) which is inert to the content and is heat sealed with the port and a non innermost layer (12) which is resistant to water vapor transmission, the composite having a resistance to tear propogation in excess of 50 g/mil.

Abstract: A bag for mother's milk made of a laminated film or tube prepared through extrusion molding for containing mother's milk therein comprising a sealing portion provided on at least one side of the bag and extended across the extrusion direction and notches provided on the sealing portion for opening the sealing portion along the extrusion direction, while the bag is tightly sealed without any object therein, and a funnel-shaped reflux preventing member.

Abstract: An internally lined food storage bag useful in the storage of moisture-retentive foods such as fruits and vegetables. The storage bag comprises a hand-closed water-impermeable outer bag containing an absorbent inner bag. The inner bag is made of water absorbent paper or paper-like material attached at the bottom and in small areas (i.e., spots) only part of the way up the interior of the outer bag, thereby enabling separate closure.

Abstract: A water-resisting and oil-resisting laminated sheet, the oil resistance of which is not reduced by alcohol, prepared by laminating an ethylene-vinyl acetate copolymer layer and a paper, which paper is coated or impregnated with a liquid or a coating composition and then dried by heating. The copolymer layer has a vinyl acetate component of 10 to 30 mole %, a melt flow index of 2 to 20, and a thickness of 10 to 50.mu.. The liquid is in an amount of 0.5 to 5% by weight to the paper as solid component and is prepared by mixing an aqueous solution or an aqueous dispersion of an oil-resisting polymer such as polyvinyl alcohol, etc., with an aqueous dispersion of a perfluoroalkyl acrylate copolymer at 3:7 to 7:3 by solid component ratio, adding thereto 0.1 to 3% by weight of a penetrating agent such as polyalkylene glycol or derivatives thereof, and diluting with water.

Abstract: A bag for the preservation of mother's milk made of a laminated film or laminated tube obtained from an extrusion molding, wherein said bag comprises sealing portion(s) provided on the side(s) of the bag and extended in the transverse direction to the direction of said extrusion, and notches provided on the sealing portion(s) at the direction of said extrusion in order to open the bag along the direction of the extrusion, the bag being hermetically or tightly sealed while substantially containing nothing therein.

Abstract: An intermediate bulk container comprises an outer envelope (1 to 6) formed of flexible woven material and having seams (11 to 14). An impervious liner (20) of flexible material is contained within the outer envelope. The liner has tab means (27) lying outside the volume defined within the liner and secured, for example by stitching into a respective seam of the outer envelope. By appropriate location of the tab means on the liner the liner may be securely located within the outer envelope and prevented from distortion relative to the outer envelope.

Abstract: A vacuum-packed assembly for the compact storage of compressible survival equipment is provided. The assembly includes a compressed article of survival equipment, such as a sleeping bag, life raft, or parachute within a flexible, evacuated, heat-sealed envelope of gas-impermeable material. An outer envelope of thicker, more durable material is preferably employed for protecting the inner envelope. The outer envelope is also evacuated. If a parachute is stored within the assembly, an actuation neck is provided for allowing the envelopes to be ruptured upon deployment of a drogue or pilot parachute. Both the drogue parachute and an aircrewman can be connected to the parachute externally of the vacuum envelopes without risking vacuum integrity.

Abstract: A container (10) for the pressure tight packaging of articles, in particular tennis balls, is described which consists of a multiple layer foil (12) which is matched at least substantially to the shape of the articles to be packaged and is closed by welded seams (26, 28, 30). The multiple layer foil embraces at least one layer of a gas impermeable material, and at least one layer of a strength giving material with at least the layer which forms the interior surface of the container being weldable. At least one part of the weld seams is formed without overlapping by welding together the interior surfaces of the container. The non-overlapped weld seams are folded-back onto the body of the container and secured to the body of the container by a tape (32) or by an adhesive strip (FIG. 4).

Abstract: A film liner is provided in the form of a sleeve having a conforming seal area provided on the sleeve that joins opposing panels of the sleeve along a location that is spaced inwardly from an edge of the sleeve, and this conforming seal area has a length that is less than the length of the edge from which it is inwardly spaced. When the conforming liner according to this invention lines a container, such as a cheese-making box, the mouth of this liner forms a cuff over the peripheral edge of the container. When thus used, the interior surface including the conforming seal area of the liner provides a relatively flat, crevice-free surface for receiving cheese curd or like products, and excess paneling material is positioned underneath this conforming interior surface and out of contact with the product filling the container.

Abstract: A multiwall gussetted bag of the type having pinch bottom and pinch top closures is provided with a seamless plastic liner. The liner is gussetted and one-half of each of the gussets of the liner nests inside of the corresponding gusset half of the remaining bag layers, while the other half of each of the gussets extends inwardly toward the middle of the bag and does not nest with the corresponding gusset half of the remainder of the bag. This condition is present while the bag is empty. When the bag is filled, the non-nesting liner gusset halves are expanded by internal pressure resulting from filling the bag with the product into nesting relationship with the corresponding gusset halves on the remainder of the bag.

Abstract: A multiwall cooler bag is formed by gusseted inner and outer tubes, the outer tube being made of kraft paper and having its lower end circumferentially bonded to the inner tube, the inner tube comprising an inner ply of plastic material heat sealed to closure at its lower end and an outer ply of kraft paper, with a strip of plastic reinforcing material extending the length of and secured to the back and front walls of the outer tube. The front wall of the outer tube has its lower end formed with a closure flap secured to the back wall of the outer tube, while the back wall of the outer tube has its upper end formed with a closure flap overlapping the front wall when the bag is completely closed. The upper portion of the inner tube is free of the outer tube to permit independent closing of the inner tube before closing the outer tube.

Abstract: A laminated wrapping sheet material comprising a layer of paper bonded to a layer of thermoplastic film, is formed such that a layer of paper of 15-35 gsm gauge is discontinuously bonded to a layer of thermoplastic film of 8-35 microns such that pockets of air are defined between the layers.The sheet material is useful in the construction of a captive flap bag formed of a paper-thermoplastic film laminate and comprising two superimposed walls with thermoplastic film on the inside, closed at the bottom and on each of the two side edges, and open at the top edge, at least one wall having a reflex internal flap along the top edge sealed at each of the side edges, to define an internal inverted pocket, the two walls not being sealed to each other in the region of the pocket or pockets.

Abstract: A novel heat-sealed and heat-sterilizable construction with an opaque member readily peelable to provide a view of the contents of the bag.

Abstract: A heat sealing layer is provided for multiply tubular film preferably of the type having an inner shrink layer of an irradiatively cross-linked ethylene vinyl acetate copolymer, a core barrier layer of vinylidene chloride-vinyl chloride copolymer, and an outer abuse layer of an ethylene vinyl acetate copolymer, the sealing layer being melt bonded onto the shrink layer and being composed of a propylene ethylene random copolymer. Heat seals formed in making bags from the improved film demonstrate enhanced high temperature strength and grease resistance. An associated method for making the tubular film is also provided.

Abstract: A packaging film is disclosed which comprises a base sheet coated with a polycarbonate coating. The base sheet may be chosen with substantial latitude. The invention also contemplates a process for making the film.