Abstract: A plastic film bag includes a reclosable closure which is opened and closed by a slider. The bag includes a tamper evident sheet closing off the bag mouth. Alternatively the tamper evident means consists of a hood which encloses the slider and reclosable closure.

Abstract: A method of making reclosable packaging utilizes a longitudinally extending web of film material having cutouts therein. A length of zipper strip substantially half the width of the web and having an attached slider is applied transversely across the web of film material with the slider positioned in the cut out. The web is folded longitudinally with the zipper attached to the web and the slider positioned in the cut out. The edges of the web are brought together longitudinally and seamed to form a tube. The opposite ends of the tube are sealed to form the package. The resultant bag has the slider seated in the cut-out where it is readily visible to a consumer.

Abstract: A flexible package includes a recloseable zipper along the mouth of the package for selective opening and closing of the mouth. The zipper includes first and second closure profiles, which are configured and constructed to selectively interlock. A tamper evident seal is provided, attached to both the first and second closure members to indicate whether or not the seal on the package has been damaged. The tamper evident seal extends along a side of at least one of the first and second closure profiles. A slider device is configured and constructed to facilitate the mating (closing) and unmating (opening) of the zipper, and to open the tamper evident seal to provide access to the package interior.

Abstract: A peelable seal includes two opposing ribbed layers. The ribs are colored so they are visible when the hermetic seal has not yet been activated. When the hermetic seal is activated, the two opposing ribbed layers fuse together. This fusion destroys the ribs and results in one fused layer. The entire resulting layer is then colored. This provides an indication to the manufacturer that the hermetic seal has been achieved and provides an indication to the consumer that the hermetic seal is intact.

Abstract: A tamper indicating bag is formed by cutting a perforation along a sheet which is subsequently folded over and sealed along two sides and the top edge. The fold is made so that one of the walls of the bag is longer than the other and the heat seal is applied above the perforation which in turn forms a flap in the wider sheet. Printing is applied to the flap as well as above and below the perforation and a tamper indicating adhesive is then applied to the flap. The bag can be opened by separating the perforated opening and contents placed in the bag. The flap is then folded over the opening sealing it and providing a tamper indicating seal.

Abstract: A plastic front opening security envelope having a slot opening in the front panel and a tamper evident tape closure that seals along the slot opening after contents are placed through the slot into the envelope interior. The envelope includes an inner false or intermediate panel section secured to one or both panels above the slot which false panel extends below the slot. In the event the envelope is closed such that the slot is spread open when sealed, the tamper tape adhesive seals through the slot to the false panel instead of the rear panel. This arrangement prevents false tripping of the tamper tape by shifting contents or other outward forces exerted on the back panel relative to the front panel or tamper tape.

Abstract: A storage unit or bag with a lockable closure mechanism is provided. The storage unit includes a container formed with an opening to provide access thereinto, and a cover sized for selective placement and covering over the opening of the container in order to prevent access. A mechanism such as a zipper system is provided for selectively closing the cover over the opening of the container. The zipper mechanism includes a first locking member, and the bag itself has a second locking member attached thereto by a fabric, string or other element. The two locking members are designed to interlock with one another in order to prevent the zipper system from operating. Accordingly, in order to gain access into the bag, it is necessary to cut the fabric or string extending from the second locking member.

Abstract: A bag having tamper-evident features including an adhesive flap foldable to cover the mouth of the bag to deter and indicate tampering with the contents. Indicia on the bag are visibly altered by attempts to release the adhered flap. A tear zone can be provided to facilitate detachment of a portion of the bag without cutting. Reclosable closure elements also can be provided.

Abstract: A bag with a security closure having two opposing main segments corresponding to the bag front panels, and a pair of side segments at each end of the opposing main segments which are foldable about a crease line, the upper edges of the front panel segments and side segments defining the bag mouth. A stiffening bar is provided at the upper edge of each of the main segments and side segments, the stiffening bars being formed in a group when the bag segments are folded to close the bag mouth. There is a closure bar having a U-shape channel with an inwardly extending flange at each end and the group of stiffening bars fits within the inwardly extended flanges of the U-shaped channel as the closure bar is moved over the group of segments with the flanges being below the group of stiffening members. A locking member is fastened to the end of the closure bar to prevent its withdrawal from the bag and a receiver for the locking member can be on a piece that is articulated from the closure bar.

Abstract: A fill-through-the-top reclosable package includes first and second opposing body panels joined to each other along a pair of sides and a bottom bridging the pair of sides. The package is provided with a reclosable fastener extending along a package top disposed opposite the bottom. The fastener includes first and second opposing tracks. The first track includes a male profile, while the second track includes a female profile adapted to releasably interlock with the male profile. To provide tamper evidence, the first and second tracks may be joined to each other along an area of weakness. When making the package, the first track is first attached to the first panel, the package is filled with a product via a fill opening between the second track and the second panel, and then the second track is attached to the second panel.

Abstract: A tamper-resistant envelope is disclosed which includes first and second panels joined to one another to define opposed side edges and a bottom edge. The envelope has an opening opposite the bottom edge for providing access thereunto. A first adhesive seal is disposed on one of the first and second panels adjacent the opening for sealingly adhering to the other of the two panels. The first adhesive seal is formed of an adhesive material having adherent properties which are resistant to release at temperatures substantially below room temperature. A second adhesive seal is disposed on one of the first and second panels for sealingly adhering to the other of the two panels. The second adhesive seal is formed of an adhesive material having adherent properties which are different from those of the adhesive material from which the first adhesive seal is formed.

Abstract: A tamper evident file holder especially suited for use in containing hanging files in a file cabinet drawer. The file holder is normally a full enclosure pouch configured for holding a plurality of files with one access portal such as a zippered closure or the like. In the preferred embodiment disclosed herein, the enclosure is made of a heavy fabric such as leather, vinyl, canvas, nylon or other tear resistant material. The zipper is locked in the closed position by a locking device comprising a disposable element in the form of a plug and stem which must be fractured to permit unlocking the locking device to open the zipper and gain access to the interior of the pouch. By coding each disposable element with a unique and indelible code, one can readily ascertain that the zipper has been unlocked to permit access to the files within the pouch. The pouch is preferably configured with hanger rods to permit hanging the file holder on a standard pair of file cabinet drawer rails.

Abstract: A selectively closeable plastic film bag is formed with front and rear plastic film panels. The bag includes a bottom and side edges and each of the front and rear panels include a top edge whereat an opening is provided into the bag cavity. An adhesive strip is provided on the inside surface of the front or rear panels extending longitudinally thereacross between the bag side edges. The adhesive strip is placed in a pattern extending at an angle upwardly from each of the side edges to a generally linear portion therebetween. A release liner is provided between the front and rear panels and is located partially over or above the adhesive strip at the side edges and below the linear adhesive strip portion. The adhesive strip portion covered by the release liner is prevented from coming in contact with the other bag panel thereby retaining the bag open. The release liner is detachably attachable to the adhesive strip.

Abstract: A reclosable bag comprises a pair of opposing wall panels, a reclosable seal, and an optional tamper-evident partition. The pair of opposing wall panels are joined along a pair of opposing sides and a bottom bridging the opposing sides to create a receptacle space having a mouth end opposite the bottom. The reclosable seal extends along the mouth end, and includes first and second opposing reclosable elements and first and second fins extending downward from the respective reclosable elements. The reclosable elements are releasably engageable to each other. The first and second fins are connected to the respective opposing wall panels. The tamper-evident partition is located below the reclosable elements and forms a one-time breakable preferential area of weakness. The tamper-evident partition separates an interior of the bag from a first area bounded in cross-section by the tamper-evident partition, the fins, and the engaged reclosable elements.

Abstract: Closure arrangements for use with flexible packages include a zipper-type closure, which, after initial sealing, if access is gained to a package interior, the arrangements provide evidence of that access. In certain embodiments, a closure with mating male and female profiles is used which, after initial sealing of the package, if access is desired to the package interior, one of the male or female profiles breaks, to prevent a resealing of the package. In other embodiments, after initial mating of the male and female closure profiles in order to seal the package, if access is desired to the package interior, the package walls are torn in order to gain access. In other embodiments, after initial sealing of the package by mating of the male and female profiles, if access is desired to the package interior, the male and female profiles are deformed, such that they no longer mate to provide a secure closure. Methods for using the arrangements herein are also provided.

Abstract: An easy-open and tamper-evident beverage container and opening system for the beverage container are provided which include a container barrier wall. The barrier wall has a series of slits therein which define a pierceable straw hole. The series of slits divides the barrier wall into a hole portion and a remainder portion, with the hole portion connected to the remainder portion by attachment points provided between adjacent slits of the series. A membrane seal is located inside of the container and sealingly covers the straw hole. This membrane seal is liquid impervious and includes (a) an outer portion which is sealed to an inside surface of the front barrier wall about the straw hole, and (b) an inner portion integral with the outer portion which is not sealed to the inside surface of the barrier wall and which covers the straw hole.

Abstract: A reclosable package comprises opposing wall panels and a reclosable seal. The opposing wall panels are joined on three sides such as to create a receptacle space having a mouth at one end. The reclosable seal extends along the one end and including a first track and a second track. The first track includes a first reclosable element and a first fin portion extending downward from the first reclosable element toward the receptacle space. The first track is joined to one of the wall panels. The second track includes a second reclosable element and a second fin portion extending downward from the second reclosable element toward the receptacle space. The second track is joined to the other of the wall panels. The first and second reclosable elements are releasably engageable to each other. In one embodiment, the first and second fin portions are joined to each other along a one-time breakable preferential area of weakness to prevent tampering with the package prior to being opened.

Abstract: A flexible package having an integral fitment and integral protective tamper-evident structure protecting said fitment until removal of said protective structure by a user, is disclosed.

Abstract: A security pocket has a front, transparent panel and a back panel, capable of being printed upon. Three sides of the perimeter of the two panels is permanently bonded, leaving a top opening into the pocket. The back panel includes a closure flap, which carries a permanent, pressure sensitive adhesive and, a tear strip. The front panel includes a removable strip, coextensive with the closure flap, which includes a layer of silicone release material facing the adhesive material. After the pocket is filled, the removable strip is removed and the closure flap is folded over and permanently sealed to the front panel. The transparent panel is a plastic film having significant antistatic properties which enables the flat, empty, two ply pocket to be fed through a sheet fed non-impact printer, without formation of excess static electricity.

Abstract: A flexible bag for protecting luggage includes first and second opposing panel sections joined by a gusset at a first end. The first and second panel sections are secured together along first and second opposite edges with the gusset therebetween, to form a containment region between the first and second panel sections and bordered by the first and second edges and the gusset. A mouth is defined by the first and second panel sections at a second end opposite to the first end. The mouth is movable from an open position to a closed position, and provides access to the containment region when in the open position. A tamper-evident closure arrangement is at the mouth for securing the mouth in the closed position. The closure arrangement includes an adhesive region held by the second panel section, and a flap arrangement integral to the first panel section.

Abstract: A bottom-fillable, bottom-gusseted bag including a bag-forming structure having first and second opposing body panels joined along a pair of opposing transverse seals and an offset bottom-gusset extending between the transverse seals. The bag-forming structure includes an open end opposite the offset gusset. The offset gusset includes first and second gusset panels foldably connected to each other and foldably connected to the respective first and second body panels. The second gusset panel extends beyond the first gusset panel to provide a protruding trim portion. A zipper is attached between the first and second body panels along the open end. A slider is slidably mounted to the zipper for opening and closing the zipper. A transverse slit is disposed proximate to a fold line foldably connecting the second gusset panel to the second body panel and provides a fill opening through which a product can be inserted into the bag-forming structure.

Abstract: A tamper evident package includes a closure arrangement having a lockable orientation and an unlockable orientation. The lockable orientation includes a first closure member secured to a first package wall, and a second closure member secured to a second package wall. Preferably, the first closure member is secured to the first wall with a peelable sealing arrangement. The unlockable orientation includes the first closure member being separated or peeled from the first wall. The closure arrangement is transformed from the lockable orientation to the unlockable orientation in response to a pulling force separating the first closure member from the first wall. In some arrangements, the peelable sealing arrangement is pigmented to provide a visual indication that the package has been opened after an initial sealing of the closure arrangement. Methods for constructing and using a flexible package are provided herein.

Abstract: A device for the closure and sealing of envelopes and the like. First and second elongated strips of plastic material are foldable upon each other along a narrow longitudinal hinge line. The first strip has a series of locking pins distributed along its length. Each of the locking pins has a weakened base. The second strip is provided with a series of sockets adapted for receiving respective locking pins in locking relation therein. To permit the device to be opened easily when it has been applied to a plastic envelope with the locking pins penetrating orifices formed along the two borders at the mouth of the envelope, at least a part along the length of the longitudinal hinge line is weakened starting from a first end, and each strip is provided, at its first end, with an appendage capable of being held between the fingers of the user.

Abstract: A reclosable, hermetically-sealed flexible package which has an inner, hermetic pool seal and a reclosure seal comprised of interlocking closure strips is provided with a tamper-evident feature located peripheral to the reclosure seal. The tamper-evident feature must be visibly disrupted to gain access to the reclosure seal.

Abstract: A security envelope for transporting valuable documents and articles includes a thin header formed of thin frangible material secured to the back panel having an adhesive layer that seals the header to the front panel upon folding and pressing closed. An inner layer of adhesive on the inner surface of the back panel seals the inner front and back panel surfaces to close the envelope chamber and extends further toward the envelope bottom than the header adhesive layer when sealed to prevent tampering tool access to the envelope chamber. Application of tampering heat will shrivel the header and cold sufficient to release the inner adhesive layer will cause pieces of the outer adhesive layer to break off and fall away. Printed indicia on the header inner surface and a transparent flood coat on the inner header surface will adhere to the header adhesive layer and aid in the tampering attempt indication.

Abstract: A reclosable bag comprises a pair of opposing wall panels, a reclosable seal, and an optional tamper-evident partition. The pair of opposing wall panels are joined along a pair of opposing sides and a bottom bridging the opposing sides to create a receptacle space having a mouth end opposite the bottom. The reclosable seal extends along the mouth end, and includes first and second opposing reclosable elements and first and second fins extending downward from the respective reclosable elements. The reclosable elements are releasably engageable to each other. The first and second fins are connected to the respective opposing wall panels. The tamper-evident partition is located below the reclosable elements and forms a one-time breakable preferential area of weakness. The tamper-evident partition separates an interior of the bag from a first area bounded in cross-section by the tamper-evident partition, the fins, and the engaged reclosable elements.

Abstract: A linerless security bag comprising a front side section and a back side section, the front and back side sections being attached to one another along at least three of four peripheral edges, the fourth peripheral edge of the back side section and front side section being unattached to one another, the front side section having a flap, the flap having impregnated thereupon an adhesive strip and a non-permanently sticking section, the flap being folded over on itself such that prior to use of the security bag the non-permanently sticking section is in contact with the adhesive strip section, the adhesive strip section strip and the non-permanently sticking section being capable of separation, the flap then being foldable such that it blocks access to an interior compartment of the security bag, the adhesive strip section contacting and permanently adhering to the front side section.

Abstract: Sheets used to indicate when tampering has occurred are described. Such sheets are composed of envelopes with generally thin cross sections containing compressed resilient cores which expand upon envelope breach. Expansion of the resilient core results in an obvious visual change to all or some of the envelope surfaces. Such envelopes may also contain a translucent liquid which greatly aids in amplifying the visual changes such envelopes may exhibit. Embodiments may take the form of applied labels, adhesive tape, wrapping paper, mail envelopes, bottle caps, document enclosures, blister packs, etc. Applications include not only signaling tampering but decorative and other applications as well. Processes for fabrication of embodiments are also described.

Abstract: An easy-open beverage container and an opening system for the beverage container are provided which include a container barrier wall having a straw hole. An easy-open tamper-evident membrane seal is located inside of the container and sealingly covers the straw hole. This membrane seal includes an outer portion which is sealed to an inside surface of the barrier wall about the straw hole and which terminates at a distance from the straw hole. This outer portion includes fingers which extend toward the straw hole. The membrane seal also includes an inner portion integral with the outer portion which is not sealed to the inside surface and which covers the straw hole so that in use the straw pierces the inner portion after being inserted into the straw hole. Preferably, the fingers form a sinusoidal intersection of the inner and outer portions, and the inner and outer portions as well as the straw hole are concentric.

Abstract: A collapsible thermal insulating container (10) includes a bottom wall (14), side wall (16) and integral lid (20). The side wall is formed from hinged panels including fastener strips (36). The container can be disassembled to form a sheet which lies flat in a common plane. All walls and the lid of the container are constructed from a matrix including inner and outer radiant energy reflective laminates (44) and an air trapping laminated foam insulating layer (52) disposed therebetween. A rigidity imparting structural reinforcement layer (56) is also included in the panels of the sidewall, bottom wall and lid.

Abstract: A plastic bag is provided which allows for the bottom loading of the plastic bag and subsequent sealing of the bottom edges of the plastic bag without the use of tools, adhesives or tapes. In the invention, the plastic bag includes a one-time plastic zipper mechanism disposed at the bottom edges which provides a one-time, permanent seal to the bottom edges of the bag. The seal is such that it cannot be unsealed without discernable damage to the bag.

Abstract: A package in the form of a recloseable bag includes a bag body including front and back walls, and a profile strip fastener assembly sealingly mounted on the inside surface of the front wall. The profile strip fastener assembly includes a pair of releasably interlocking profile strips, with a secondary, peelable seal provided between the profile strips apart from their mechanically interlocked portions. By this arrangement, enhanced sealing for the package is provided, while abating the stress to which the interlocked portions of the profile strips are subjected during forming and filling of the package. The bag body preferably includes a removable panel substantially aligned with the fastener assembly for gaining access to the assembly, with the removable panel desirably providing tamper-evidence of opening of the package.

Abstract: A seal (12) that provides visual evidence if the seal is forced open or cooled below a breakdown temperature. The seal (12) includes a plastic strip (20), a layer of ink (22) printed on a surface of the plastic strip (20), and a layer of pressure-sensitive adhesive (24). The seal (12) can be incorporated into a bag (10) for sealing the bag (10) closed. When the bag (10) is sealed closed, the ink layer (22) is sandwiched between the plastic strip (20) and the adhesive layer (24), and the adhesive layer (24) is adhered to a back wall (18) of the bag (10). If the seal (12) is forced open, the ink layer (22) visibly delaminates from the plastic strip (20). The adhesive layer (24) and the plastic strip (20) are chosen to have different rates of shrinking when cooled, so that when the seal (12) is cooled below its breakdown temperature, the ink layer (22) delaminates. In an alternative embodiment of the plastic strip (20'), two layers (60, 62) of ink are printed onto the plastic strip (20').

Abstract: A tamper-resistant envelope is disclosed which includes first and second panels joined to one another to define opposed side edges and a bottom edge of the envelope. Each of the panels have an upper edge which together define an opening opposite the bottom edge of the envelope for providing access into the envelope. The upper edge of the second panel extends beyond the upper edge of the first panel to define a panel extension. A layer of adhesive sealant material is disposed on an interior surface of the first panel adjacent the upper edge thereof for sealingly adhering to an interior surface of the second panel. The sealant material has adherent properties which are resistant to release at temperatures substantially below room temperature. The envelope also includes an adhesive sealing strip having a lower portion mounted to an exterior surface of the first panel and an upper portion positioned to sealingly adhere to the panel extension of the second panel.

Abstract: A tamper-evident reclosable plastic bag comprises first and second opposing panels, a zipper, a slider, and an end termination. The first and second opposing panels are fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. The zipper extends along a mouth formed opposite the bottom. The zipper includes a first track with a first profile and a second track with a second profile. The first and second profiles are releasably engageable to each other. The slider is slidably mounted to the zipper for movement between a closed position and an open position. The first and second profiles are engaged to each other while the slider is in the closed position. The first and second profiles are disengaged from each other in response to movement of the slider from the closed position to the open position. The end termination is near one end of the zipper adjacent to one of the pair of sides.

Abstract: A flexible bag for protecting luggage includes first and second opposing panel sections joined by a gusset at a first end. The first and second panel sections are secured together along first and second opposite edges with the gusset therebetween, to form a containment region between the first and second panel sections and bordered by the first and second edges and the gusset. A mouth is defined by the first and second panel sections at a second end opposite to the first end. The mouth is movable from an open position to a closed position, and provides access to the containment region when in the open position. A tamper-evident closure arrangement is at the mouth for securing the mouth in the closed position. The closure arrangement includes an adhesive region held by the second panel section, and a flap arrangement integral to the first panel section.

Abstract: A package comprises a flexible bag (1) and a label (2), the bag having a closed end (3). The closed end is openable to provide an opening (12) for access to the contents of the package and reclosable by means of the label (2). The label (2) has on one face two areas (8, 9) of adhesive separated by a non-adhesive area (10), the adhesive areas (8, 9) being adapted to adhere to the package (1) one to each side of the opening (12) such that said non-adhesive area (10) extends over the opening.

Abstract: A gas meter installation wherein a gas meter is contained within a protective bag during normal operation and wherein the bag may not be opened to obtain access to the meter without causing a permanent indication of such opening.

Abstract: A tamper-evident envelope has a first layer of paper-containing material and a second layer of paper-containing material attached to each other along a number of seams. Each seam includes a pattern embossed and/or perforated through both layers along a major part of the seam. If the envelope is opened and resealed along one of these seams, the embossed or perforated pattern is corrupted, thereby making the unauthorized opening of the envelope readily apparent to an intended recipient.

Abstract: A flexible reclosable package comprises first and second opposing films and first and second closure profiles attached to inner surfaces of the respective first and second films. The first closure profile includes a first closure element and a first lower lateral flange extending downward from the first closure element. The second closure profile includes a second closure element and a second lower lateral flange extending downward from the second closure element. The first and second closure elements are releasably engaged with each other. To render the package child resistant, the first and second closure profiles are free of respective graspable upper flanges extending upward from the respective first and second closure elements.

Abstract: A tamper-proof security ballot pouch adapted to store ballots deposited therein and to prevent their unauthorized removal. The pouch includes a fabric bag in whose upper section is sewn a pair of parallel rods defining an entry slot to admit one ballot at a time. Depending from the upper section is a fabric chute creating a narrow open channel between the entry slot and the bag interior whereby a ballot inserted in the entry slot must pass through the channel before being deposited in the bag. Because the chute is flexible, when a ballot is inserted in the entry slot and advances into the narrow channel of the chute it then straightens out the chute, so that the channel is then in axial alignment with the entry slot. But once the ballot is deposited in the bag, its unauthorized exit through the entry slot is prevented by the chute, for regardless of how the pouch is manipulated, the deposited ballot cannot back track through the channel.

Abstract: A child-resistant locking device for a flexible bag, pouch or the like having an opening and requiring child-resistant packaging which is to be filled with hazardous articles including a zipper operatively associated with the opening and movable between an open and closed position, the zipper being provided with a pull tab having an opening for actuating the zipper and a releasable lock supported on the bag operatively associated with the pull tab opening for releasably retaining the zipper in the closed position with the lock including elements requiring manual dexterity with both hands at a skill level common to an adult as opposed to a child for release.

Abstract: The present invention relates to a multiple-use shipping bag comprising a wrapper which has a front wall (10) and a rear wall (12) of substantially opaque plastics material, and an opening for the introduction of material to be dispatched, wherein said front wall (10) has a cut-out which is in the form of an address window (34) and which is covered on the inside by means of a transparent layer (14), wherein said transparent layer (14) extends in the interior of the wrapper over at least the inside surface of the front wall (10) and is non-releasably connected to the front wall (10) in the region of the address window (34), and wherein a closure flap (20) adjoining said rear wall (12), for closing said opening, is provided in such a way that it can be introduced and inserted between said front wall (10) and said transparent layer (14).

Abstract: A reclosable plastic bag comprises first and second opposing panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. The bag is provided with a reclosable zipper extending along a mouth formed opposite the sealed bottom. The zipper includes a male track with a male profile and a female track with a female profile. A slider is slidably mounted to the zipper for movement between a closed position and an open position. The male and female profiles are engaged to each other while the slider is in the closed position. The male and female profiles are disengaged from each other in response to movement of the slider to the open position. To prevent tampering with the contents of the plastic bag prior to being initially opened, the slider is initially parked in the closed position at one end of the zipper, and upper edges of the male and female profiles are detachably connected to each other, except at the one end of the zipper supporting the parked slider.

Abstract: A security bag having front and rear panels with first and second patterns of openings along upper edges of front and rear panels, respectively, of the security bag. A flap has a lower edge connected to the outside surface of the rear panel so that the flap covers the second pattern of openings. Preferably, the flap extends beyond the upper edge of the rear panel a length permitting the flap to be folded over the front panel and cover at least a portion of the first pattern of openings. An adhesive covers surfaces of the flap that cover the first and second patterns of openings. A release liner covers the adhesive. Upon the release liner being removed and the flap being folded over the front panel to cover the first pattern of openings, an adhesive-to-adhesive seal is created through continuous and contiguous portions of the first and second patterns of openings that extends through the front and rear panels.

Abstract: An improved, tamper-evident container having a reclosable zipper-type fastener useful for providing access to the interior of the container is disclosed. The reclosable fastener is characterized by a pair of mating sealing strips wherein each one of the pair is attached to a common surface of the container. The container is further characterized by the provision of a security seal to provide a tamper-evident closure for the container until it is initially opened.

Abstract: A tamper-resistance envelope formed of a thermoplastic resin comprises two opposing panels having respective bottom and side wall edges bonded together to form a pocket therebetween. The top of the pocket is open for inserting an item into the pocket. Each panel has an edge portion adjacent the opening. A bead of pressure-sensitive adhesive is applied along each of the edge portions, and the adhesive bead is heat-seal bonded to the thermoplastic edge portion. The edge portions are brought together to bring the adhesive beads into contact to close the opening. By heat-seal bonding the adhesive beads directly to the thermoplastic edge portions, the pressure sensitive adhesive is resistant to being open by supercooling.

Abstract: Disclosed is a tamper-evident tape for applying over the flap or other opening in cellulosic substrates such as paper products, corrugated containers, cardboard boxes, shipping cartons and the like, which tape will provide evidence of tampering with its contents over a wide temperature range from above to below the Tg of the adhesive layer adhering the tape to the substrate. The tape has a transparent backing layer carrying on one side thereof a discontinuous layer of deposits of a transparent barrier material which is bonded to the backing layer and which prevents bonding of an underlying colored layer to the backing layer in areas where the barrier material is present.

Abstract: A multi-seal flexible recloseable package having a tapered product cavity formed in one of the package sidewalls has a generally wedged-shaped cavity into which a doubled-over shingled stack of the food product slices are sealed. The package has a first, peelable hermetic seal located next to an access edge of the product cavity and a second, recloseable seal positioned directly above the peelable seal. Vertical extensions of the package sidewalls are sealed together at their tops to form a third package seal which has a tamper-evident tear strip. One or more openings in the vertical package extensions allow the package to be supported on a display hook.

Abstract: A recloseable package has discrete, multiple product portion enclosures between first and second package films. Each product portion enclosure is separated from its adjacent product portion enclosure by a package central web portion. A recloseable seal is provided on the central web portion for each multiple product portion enclosure, and the product is hermetically sealed in its portion enclosure by a hermetic seal extending around the periphery thereof and interior of each recloseable seal.