Abstract: A sealing heater for heat sealing a film onto a multi-compartment container comprises a heating block having a contact surface. The contact surface includes an outer sealing portion and an intermediate sealing portion. The outer sealing seals a film to a perimeter surface of a multi-compartment tray and the intermediate sealing portion seals a film to substantially all of an intermediate surface between the compartments of the multi-compartment tray. The outer sealing portion and the intermediate sealing portion defining recess perimeters in the contact surface that are positioned to correspond substantially to the compartment perimeters in the multi-compartment tray. A heating element is disposed within the heating block for generating heat at the contact surface of the heating block sufficient to heat seal the sealing film to the perimeter surface and the intermediate surface between the compartments of the multi-compartment tray.

Abstract: The invention relates to an automatic machine designed to reseal test tubes for clinical analyses with aluminum sealing tape housed in ready-to-use, cassette-type containers. The machine uses a heat-sealing process to apply a piece of aluminum foil, which will form the cap, over the mouth of the test tube, causing it to adhere to the edge of the test tube itself to achieve perfect resealing.

Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material, and wherein sealing the bag end after the bag has been filled with contents by heat activating the first layer of adhesive material and the second layer of adhesive material at a temperature below the softening point temperature of the polymeric bag material.

Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein a chemical family of the adhesive layers comprises, distillates, petroleum and ethanamine or naphthene components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.

Abstract: A holder and method for obtaining a holder, wherein the holder is provided with a first and a second wall part. The first and second wall part are interconnected such that therebetween at least a first storage space, at least a first fluid connection and at least a first seal removable through fluid pressure and defining an opening are formed. The at least first removable connection is communication with the first storage space and seals a communication to or from the at least first fluid connection. With the method for obtaining the holder, prior to forming the connection of the first and second wall parts, a lacquer is locally applied to one of the first and second wall parts, which after connection results in a controlled reduced adhesion for obtaining the at least first removable seal. Here in the proximity of the removable seal, an additional connection of the first wall part to the second wall part is provided.

Abstract: An automated filling system for introducing crushed polysilicon fragments into shipping bags without significant contamination positions a freely suspended energy absorber into a freely suspended bag of non-contaminating material prior to filling, and following filling, the energy absorber is removed, and the bag is sealed. The system can replace manual packaging which has been required for semiconductor applications.

Abstract: A sealed plastic container and a method for producing it are provided. The method for producing the sealed plastic container includes the steps of providing a container body having an end, providing a closure member having a skirt, inserting the closure member into the container body, heating the closure member skirt and container body end, and rolling the closure member skirt top and container end inward thereby fusing the closure member to the container body.

Abstract: The invention relates to a barrier film made up of five stacked layers comprising: a central barrier layer comprising a first blend of EVOH and of PA, two outer layers comprising a second blend, and two adhesive layers between the central layer and the two outer layers, wherein the second blend only contains a first copolymer of ethylene and of an a-olefin having a density less than or equal to 0.925 g/cm3 and greater than or equal to 0.915 g/cm3 and a second metallocene copolymer of ethylene and of an a-olefin having a density less than or equal to 0.910 g/cm3.

Abstract: A resilient backing member for use in cooperation with an impulse heating element comprises a resilient body having a longitudinal shoulder surface and a longitudinal intermittent raised edge protruding from the shoulder surface. The resilient backing member is for use in cooperation with an impulse heating element for sealing layers of thermoplastic film together and for either forming a sealed portion on the film, a rupturable portion on the film or severing the film. Accordingly, the resilient backing member can be used on a pouch filling machine to produce a string of sealed pouches connected by a rupturable portion or a sealed portion, and filled with flowable material without the use of a separate cutting blade.

Abstract: The invention relates to a method and device for heat-sealing windows into folding carton blanks for producing liquid-proof folding cartons having film windows. Pieces of film that are cut to measure are placed on the window openings of the folding carton blanks and the edges of the pieces of film are heat-sealed with the folding carton blanks so as to be liquid-proof using heated pressure segments or heat-sealing dies. The folding carton blanks, together with the pieces of film, are fed to a tail pulley for a transport belt by means of the transport belt and are inserted in the gap between the tail pulley and the transport belt resting thereon. In this gap, the blanks and pieces of film are continuously heat-sealed together by means of at least two heated pressure segments that are disposed on the outer periphery of the tail pulley and push radially from inwards against the transport belt in the area of deflection of the transport belt and thus onto the edges of the pieces of film.

Abstract: A process for producing a web-like laminate material for packaging container composed of a base layer and a thermally sealable inner layer, comprising: introducing an oxygen-containing gas in a silver vapor atmosphere; carrying a web-like base film in the silver vapor atmosphere to form a thin film of metallic silver on a surface of the web-like base film; oxidizing the thin film into a thin film of silver oxide; drawing out the base film provided with the thin film of silver oxide from the silver vapor atmosphere to obtain a web-like base layer; laminating an inner face of the web-like base layer with a thermally sealable inner layer, printing a container design on an outer face of the web-like base layer; and forming a thermoplastic layer or a support layer on the outer face and inner face of the web-like base layer. A seal zone, vicinity thereof and entirety of the container can be formed in an antibacterial atmosphere or with an antibacterial material.

Abstract: The present application provides improved sealed packages and improved methods for making sealed packages. The sealed package includes a first side and a second side, wherein the first side and the second side each comprise a laminate material including an product-side layer and a film layer, the product-side layers of the first and second sides at least partially heat sealed together to form a heat seal between the first and second sides such that the heat seal comprises a stress riser, wherein the heat seal is stronger than the bond between the product-side layer and the film layer of the laminate material.

Abstract: A case sealing system comprising an integrated hot melt processing, dispensing and application system whereby the bottom and the top of a filled box are both substantially simultaneously sealed with a hot melt adhesive.

Abstract: A cardboard cover that seals a package and that also enables the resealing of the package. The lower surface of the cover (2) is provided with a downwards directed annular profile (3) made of an injection mouldable material, which enables the resealing of the cover and is placed inside the package when the package is sealed. The invention also relates to a package which is sealed by using the above-described cardboard cover that enables resealing. The invention also relates to a method for manufacturing a card-board cover and a method for sealing a package.

Abstract: The present invention relates to a single-layer polymer film, intended to be used for packaging articles having an extended shelf life, said film being composed of a cast polyamide sheet, covered, on one of its faces, with a heat-sealable coating, comprising polyvinyl chloride (PVC) and/or polyvinylidene chloride (PVDC), so that said film has an average permeability between 35 g/m2/24 hours and 110 g/m2/24 hours. It also relates to a process for producing said film. It additionally relates to a pouch obtained from said film, said pouch being particularly suitable for packaging articles having an extended shelf life, especially microorganism culture media in dishes.

Abstract: A method of packing and, for purposes of extending its shelf-life, heat treating a food product in a packaging container of paper or paperboard. The packaging container is first filled wholly or at least partly with foam containing a non-oxidising gas, such as nitrogen, whereafter the wholly or partly filled packaging container is filled with the pertinent food product. After this filling, the packaging container is, where necessary, filled with additional foam to ensure the headspace above the product level in the packaging container is entirely filled with foam when the packaging container is closed and sealed by thermosealing. The closed packaging container filled with product and foam is thereafter subjected to the heat treatment for purposes of extending its shelf-life at a treatment temperature of at least 115 C.

Abstract: A heat-sealable, peelable, coextruded composite polymeric film comprising a substrate layer of polymeric material having on a surface thereof a heat-sealable layer, wherein said heat-sealable layer comprises a copolyester of least one aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid and one or more glycol(s); the thickness of said heat-sealable layer is in the range of from about 0.3 to about 3 ?m; and the heat-sealable layer comprises one or more wax(es) is described.

Abstract: An assembly includes a support and drive assembly, a first structure and a second structure. The first structure is in operable communication with and supported by the support and drive assembly. The first structure includes at least one needle assembly and is adjustable to receive a plurality of needle assemblies. The second structure is supported by the support and drive assembly. The second structure includes at least one seal assembly and is adjustable to receive a plurality of seal assemblies. A method includes determining a number of vials that are to be filled concurrently and adjusting an assembly to include at least one needle assembly and at least one seal assembly. A number of the needle assemblies and the seal assemblies equals the number of vials.

Abstract: The present invention concerns a machine for converting a web of preformed pouches to dunnage units. The pouches are defined by transverse seals that extend from a remote edge to within a predetermined distance of an inflation edge. In a first embodiment, the machine includes a guide pin, a drive, a blower, and a sealing element. The guide pin is insertable between the transverse seals and the inflation edge. The guide pin defines a path of travel of the web. The drive moves the web along the path of travel. The blower is positioned with respect to the path of travel for inflating the preformed pouches. The sealing element is positioned to provide a longitudinal seal that intersects the transverse seals to close the preformed pouches and form inflated dunnage units. The disclosed examples of machines for converting a web of preformed pouches to dunnage units including various improvements to existing machines.

Abstract: The self-heating and adhesive device of the present invention comprises a gas-permeable sheet layer, an exothermic composition layer, a gas-impermeable sheet layer, a support, a poultice or gel layer, and a releasing sheet layer in this order, wherein the exothermic composition layer is stuffed in a pouch that is made of the gas-permeable sheet layer and the gas-impermeable sheet layer, and wherein the support comprises a fibrous layer only or a gas-impermeable sheet and a fibrous layer and has a moisture permeability within the range of 0 to 3,000 g/m2·24 hours by the Lyssy method.

Abstract: A display packaging system includes a front panel, a rear panel, and a blister cavity. The blister cavity has a product holding chamber configured to receive at least one product and a sealing flange that extends outwardly from the product holding chamber. The sealing flange includes a series of apertures and is sandwiched between the interior surface of the front panel and the interior surface of the rear panel. Respective portions of an interior surface of the front panel and an interior surface of the rear panel are then adhered only to each other with the respective portions including portions of the interior surface of the front panel and portions of the interior surface of the rear panel that are disposed on opposite sides of the series of apertures.

Abstract: A container (1) for filling material and a method for processing gusseted tubular films (4), wherein the container (1) has a container body (2) made of a tubular film (4) provided with gussets (3) which comprises an inner volume for receiving a filling material. There is an end seam (5) on a first end (12) of the container body (2), and in the area of the gussets (3) on the container corners (8), corner seams (7) are provided which respectively extend through two layers (13a, 13b) of the gussets (3a, 3b) in order to separate the container corner area (8) from the inner volume. On at least one container corner (8), at least one opening (9) is provided which extends through the layers (13a, 13b) of the gusset (3a, 3b) and which is separated from the inner volume of the container body (2) such that, thanks to the corner seams (7) and the end seam (5) and the opening (9), a carry device (11) is formed which allows a finger hold on the carry device (11) for a person carrying the container.

Abstract: A process for aseptic packaging of sterile liquids in flexible containers including a pre-chamber pressurized with a sterilized inert fluid that is injected through an auxiliary line and flows out to activate a sterile barrier such as to allow complete asepsis of the packaging process. A pressing device compresses the film to form a seal against the outer surface of the feed tube that introduces sterile liquid into the aseptic packaging chamber.

Abstract: A package includes a pouch including a base portion having a first width, the base portion having a closed bottom; and a neck integrally connected to the base portion, the neck having a second width narrower than the first width, the neck including an end portion; and a first easy-open device adapted to remove the end portion from the neck; wherein a common wall formed by the base portion and neck has an outer and inner surface; a discrete cap in connected relationship with the outer surface of the common wall of the pouch, the cap covering the end portion of the neck, the cap including a second easy-open device adapted to remove at least part of the cap and provide access to the end portion of the neck; and a flowable product disposed in the base portion of the pouch. Methods for making a package are also disclosed.

Abstract: Novel coated substrates are disclosed wherein a substrate is coated with a coating composition that forms good hermetic seals at very low temperatures and exhibits good blocking and slip characteristics. Such coating composition is comprised of an aqueous dispersion of a substantially non-polar copolymer of ethylene and an alpha-olefin having less than 20 carbon atoms, and an additive selected from the group consisting of an anti-blocking and slip agent, a coalescent and wetting agent, and mixtures thereof.

Abstract: A display packaging system includes a front panel, a rear panel, and a blister cavity. The blister cavity has a product holding chamber configured to receive at least one product and a sealing flange that extends outwardly from the product holding chamber. The sealing flange includes a series of apertures and is sandwiched between the interior surface of the front panel and the interior surface of the rear panel. Respective portions of an interior surface of the front panel and an interior surface of the rear panel are then adhered only to each other with the respective portions including portions of the interior surface of the front panel and portions of the interior surface of the rear panel that are disposed on opposite sides of the series of apertures.

Abstract: Apparatus for molding and filling a device having a body defining an opening in communication with an interior chamber for receiving a substance therein, and a closure including a penetrable and resealable portion for sealing the opening and substance received in the device. A mold includes within the aseptic chamber plural mold cavities shaped to form the closure and body, and substantially sterile surfaces extending about and contiguous to the peripheries of the mold cavities. An assembly device including end-of-arm tooling having an engaging portion engageable with each of the body and closure is movable relative to the mold to engage and de-mold the substantially sterile closures and bodies from the mold cavities. Flexible barriers are coupled to the mold and the tool to substantially prevent the passage of contaminants from the molding machine and tool therethrough.

Abstract: A sealer including a platen, a support assembly moveable relative to the platen, a guide clip connected to the support assembly, and a tooling assembly having a body defining a notch therein, wherein the notch is engageable by the guide clip to align the tooling assembly relative to the support assembly.

Abstract: A laser beam emitted from a laser oscillator unit passes through a first substrate and irradiates a sealing member. The sealing member irradiated with the laser beam is heated in accordance with the absorptance and thus softens and melts. The laser beam is reflected by the sealing member and the reflection reaches a detector unit. A computing unit transmits information, such as a correction value of the laser power, to a laser controlling unit on the basis of the information from the detector unit so that the melting state of the surface of the sealing member is kept constant. In this manner, the melting state of the sealing material can be maintained in an appropriate state.

Abstract: A sealing device for producing sealed packages from a tube of packaging material fed along a path and filled with a pourable food product, comprising: a frame; a pair of jaws movable cyclically with respect to the frame and along part of the path to grip the tube; ultrasonic sealing means carried by a first jaw to seal the tube; and power means including a primary winding fixed to the frame and connectable to an electric energy source, and a secondary winding carried by the first jaw, supplying the sealing means, and receiving electric energy by electromagnetic induction from the primary winding as the first jaw travels past the primary winding; and the device having transformer means supplied by the electric energy source with a first voltage value, and supplying the primary winding with a second voltage value lower than the first voltage value.

Abstract: The blister package 10 for display of a toothbrush 12 comprises a from cover 14 and a back cover made of a printed first and second plastic film 16, respectively. The front cover 14 and the back cover each comprises three-dimensionally moulded accommodation portion 22 and a web portion 24 surrounding the protruding from the respective accommodation portion 24. The front cover 14 and the back cover are connected to one another by sealing in a sealing area 38 continuously surrounding the accommodation portions 22.

Abstract: A packaged garment includes a garment and a sealed bag. The garment has a torso portion, a sleeve portion connected to the torso portion, and a leg portion connected to the torso portion. The garment has an outer surface and an inner surface opposite the outer surface. The sealed bag contains the garment with the sleeve portion folded onto the torso portion, a portion of the sleeve portion folded at least once underneath the sleeve portion between the sleeve portion and the torso portion, and the leg portion folded onto the torso portion. The garment is manipulated so that the inner surface of the torso portion faces outward and the torso portion forms an inner space containing the sleeve portion and the leg portion.

Abstract: The present invention is an aluminum foil sealing apparatus which is simple in structure and readily applied for various size of vessel. The invention is comprising: a main body on the upper surface of which a manipulator is provided and on the lower surface of which a power input unit is provided; a coil unit formed of a case in which a number of induction coils are disposed concentrically and horizontally; a power supply device which supplies electric power to the coil unit; a high frequency generator which is connected with the power supply device; a selector whose one end is connected with the power supply device and whose other end is connected in parallel with the respective induction coils, to thus supply one of the induction coils with the power; and a vessel mounting table arranged on the lower portion of the main body.

Abstract: An apparatus for sealing a glass package by applying a force to a glass assembly while simultaneously irradiating a sealing material disposed between the two glass substrates with a beam of radiation. The applied force is translated in unison with the radiation beam. The radiation cures and/or melts the sealing material, depending upon the sealing material. The applied force beneficially improves contact between the glass substrates and the sealing material during the sealing process, therefore assisting in achieving a hermetic seal between the substrates.

Abstract: The invention relates to a method for heat sealing a lidstock (9) to a container (1) for a blister package, the container having a top surface comprising a substantially flat sealing flange (3) surrounding a blister (2) and a lip (4) having at least one raised surface (6), the method comprising the steps of a) locating the lidstock on the top surface; b) providing a first seal between the lidstock and the at least one raised surface of the lip with a first heat sealing tool (11); c) providing a second hermetic seal between the lidstock and the sealing flange surrounding the blister with a second heat sealing tool. The invention also relates to a package for storing a hydrophilic contact lens comprising a lip having at least one raised surface and a removable lidstock sealed to a sealing flange and to the at least one raised surface. Also disclosed is an apparatus for heat sealing the lidstock to the container.

Abstract: A device defining a chamber for receiving a substance and a thermoplastic portion in fluid communication with the chamber is provided along with a method of filling and sealing the substance within the chamber. The thermoplastic portion defines a penetrable region that is penetrable by a filling member and is heat resealable to hermetically seal an aperture therein by applying laser radiation at a predetermined wavelength and power. The thermoplastic portion comprises a thermoplastic body defining a predetermined wall thickness and includes a styrene block copolymer, an olefin and a predetermined amount of pigment allowing the body to absorb laser radiation at the predetermined wavelength, substantially prevent the passage of radiation through the predetermined wall thickness, and hermetically seal the aperture in the penetrable region in a predetermined time period.

Abstract: A sealing jaw apparatus for a film wrapping machine utilizes a continuous web of thermoplastic film. The sealing jaw apparatus includes a first jaw unit to one side of a film travel path. The first jaw unit includes spaced-apart clamp arms and a heated sealing bar located between the spaced-apart clamp arms. The heated sealing bar includes spaced-apart noses defining a slot therebetween. A second jaw unit is to an opposite side of the film travel path. The second jaw unit includes spaced-apart gripping surfaces that are engaged by the spaced-apart clamp arms for gripping the thermoplastic film. Spaced-apart sealing surfaces are engaged by the noses of the heated sealing bar for sealing the thermoplastic film at spaced-apart locations in a film running direction. A knife assembly severs the thermoplastic film between the spaced-apart locations.

Abstract: A filling machine operable to dispense a fluid from a fluid supply to a container having an opening and a cap configured to cover the opening. The filling machine includes a housing that defines a fill chamber and a cap removal assembly at least partially located within the fill chamber. The cap removal assembly is operable to remove the cap from the opening of the container within the fill chamber. The filling machine further includes a fill line assembly having an inlet and an outlet. The inlet is configured to be coupled to the fluid supply and the outlet is located within the fill chamber. The outlet is configured to be placed in fluid communication with the opening of the container. The fill line assembly is removably coupled to the filling machine, and fluid flowing from the fluid supply to the container flows through the fill line assembly.

Abstract: The invention relates to a method and an apparatus for separating foil layers in a foil processing line, the foil layers being caused to move relative to each other, and to a method and an apparatus for further processing the separated foils for manufacturing a product in which an insert is interposed between two foils.

Abstract: According to an air packing bag for tightly holding an article and manufacture thereof of the present invention, a first outer film and a second outer film are staked together, in which the first outer film comprises a first side, a second side and a foldable side. The foldable side is positioned between the first side and the second side and an accepting space is formed on the first outer film after the first outer film is folded up along the foldable side.

Abstract: A method of sealing a liquid container, including filling a liquid into a liquid containing bag including a cylindrical inlet; and sandwiching the cylindrical inlet with a pair of heat-sealing heads upon application of heat such that the cylindrical inlet is sealed with the liquid therein, wherein at least one of the pair of heat-sealing heads comprises a concave edge.

Abstract: A pocket roll centered on and rotatable about a respective axis has an outer surface formed with an array of open pockets separated by directed lands. The pocket-roll outer surface has a predetermined coefficient of friction. A blister foil is fed to the pocket roll with blisters of the blister foil fitting in the pockets. A seal roll rotatable about a respective axis adjacent the pocket roll has an outer surface pressing a cover foil against the blister foil so that the foils are pinched between the rolls. Slip inserts set in at least some of the lands, extend axially of the pocket-roll axis and form in the respective lands axially extending outer-surface regions having coefficients of friction smaller than the coefficient of friction of the pocket-roll outer surface. A position-correcting unit has a sensor and detects and adjusts the positions of the blisters relative to the direction.

Abstract: Device and method for needle penetrating and filling a chamber with a predetermined substance, and laser resealing a resulting needle hole in the device. A needle penetrable and laser resealable portion is pierceable with a needle to form a needle aperture therethrough to fill the chamber, and is laser resealable to hermetically seal the needle aperture by applying laser radiation. The needle penetrable and laser resealable portion defines a predetermined wall thickness in an axial direction thereof, and includes a thermoplastic that substantially prevents the formation of particles released into the chamber during penetration by and withdrawal of the needle.

Abstract: There is provided a heat generating body which by forming a temporary adhering part upon temporary adhesion between a substrate and a heat generating composition molded body and a covering material with an adhesive layer and subsequent heat sealing, realizes higher line speed, thereby largely improving the productivity, does not generate position deviation of the heat generating composition molded body in welding the substrate and the covering material, is able to be heat sealed and is free from seal failure. A heat generating body as formed by laminating a heat generating composition molded body resulting from molding of a heat generating composition containing, as essential components, an exothermic substance, a carbon component, a reaction accelerator and water and having a water mobility value of from 0.

Abstract: A closure (100,200) for a container (210), the closure (100,200) comprising a wadless membrane (20,220) and a shell (30), wherein the membrane (20,220) is adapted to be heat sealed to a rim (217) of a container to provide a gas-tight barrier, wherein the shell (30) has a downwardly extending resilient sealing element (40,240) for providing an even sealing pressure to the membrane (20,220) during heat sealing and for providing a gas-tight re-seal once the membrane (20,220) has been broken or removed.

Abstract: A method for producing a laminated material, which comprises providing a raw material roll containing a support layer, drawing out a support layer in a web form from the raw material roll, transferring a silver-based thin film layer on an inner face of the inside of the support layer including a zone to be heat-sealed by the high frequency induction heating for the formation of a container, prior to or after the transferring step, laminating a heat-sealable inner layer on the inside of the support layer, printing the design of the container on the outside of the support layer in a long web form, and forming one or more thermoplastic layers of the same type or different types, at the same time or sequentially, on the outside and the inside of the printed support layer in a web form. The method allows a sealing zone to be formed so as to have an antibacterial atmosphere.

Abstract: A conveyor moves in a horizontal transport direction through a closing station and has plates forming a succession of transverse rows of cutouts each holding a respective vessel. A stationary main frame at the station is traversed by the conveyor extends. A secondary frame is carried by guides on the main frame for movement of the secondary frame between a use position in the main frame above the conveyor and a service position projecting transversely from the main frame and supported horizontally transversely offset from the conveyor. A plurality of respective sealing heads carried on the secondary frame can put covers on the vessels when the secondary frame is in the use position.

Abstract: The sealing apparatus comprises (a) a heat seal jaw, (b) a heat seal bar having two heaters arranged in parallel, being provided in a front edge of said heat seal jaw and having a working surface, (c) a counter jaw disposed oppositely to the heat seal jaw, (d) a counter rail provided to said counter jaw and having the working surface, (e) a drive means for advancing/retracting the heat seal jaw and counter jaw relatively, (f) a heating means for actuating the heaters while clamping a packaging material by the working surface of the heat seal bar and the working of the counter rail and, (g) a cutter section comprising of a cutter disposed at the position between the two heaters and a resilient counter cutter, and is characterized in that the counter cutter is held by a holding section provided on the working surface of the heat seal bar or the counter rail and projecting from the holding working surface. The seal apparatus can improve hygiene and the flap formation of the packaging container.

Abstract: The present invention is directed to a dual-ovenable food packaging, a method for packaging food and a method for cooking food. A dual-ovenable food packaging in accordance with the present invention may comprise: (a) a heat-resistant tray; (b) a non-venting plastic film overwrap, and (c) a food items. A method for packaging food may comprise the steps: (a) disposing a food item in a heat-resistant tray; (b) overwrapping the tray and food item with a non-venting plastic film overwrap; and (c) vacuum sealing the non-venting plastic film overwrap around the heat-resistant tray and food item. A method for cooking a food item may comprise the steps: (a) disposing a food item in a heat-resistant tray; (b) overwrapping the tray and food item with a plastic film; (c) vacuum sealing the plastic film around the heat-resistant tray and food item to create a sealed packaging; and (d) heating the sealed packaging with a heating device.

Abstract: A packaging machine for packaging a product. The machine has a frame for supporting the product and a source of packaging material for supplying packaging material into a position to be engaged by and at least partially surround the product. At least one upper sealing assembly is adapted to move between an actuated position and a non-actuated position. The upper sealing assembly comprises at least one sealing element for forming a seal along adjacent edges of the packaging material. At least one lower sealing assembly is adapted for cooperating engagement with the upper sealing assembly in its actuated position. The at least one upper and lower sealing assemblies are positioned for clamping engagement of the packaging material therebetween for forming the seal when the upper sealing assembly is moved to its actuated position in engagement with the lower sealing assembly.