Abstract: The present disclosure relates to a reclosable package or bag with a slider zipper, and further including a first gusset with a perforated line or similar line of weakness formed between the slider zipper profiles in order to provide tamper evidence and a second gusset formed below one zipper profile in order to allow the filled packaged to stand up for display purposes. This package or bag is typically bottom filled, but then displayed to the customer in the orientation with the bottom in the upper position and the zipper in the lower position. One alternative embodiment substitutes a press-to-close-zipper for the slider zipper. A further alternative embodiment omits the perforated line and provides for a separation in the web between the zipper profiles to form a mouth for the package or bag.

Abstract: A package or bag is provided with an easy open re-closable device for allowing ready access to the contents of the bag. The closure device is applied longitudinally in a vertical orientation in plastic bags but the closure device is spaced from the ends. In a layer paper bag, while the position of the closure device is preferably longitudinal, the closure device may have any orientation including a diagonal position. The closure device is incorporated in the fins of a fin bag and the closure devices extends longitudinally of the bag in a vertical direction. The process or making a multi layer paper material with a closure device incorporated therein is carried out in a continuous operation. The process of making zip-fin plastic bag or film containing the fins and closure are performed in a continuous operation.

Abstract: A reclosable, flexible package for storing food products, the package including a pair of opposing panels connected via a bottom seal or fold, each having a flange opposite the bottom seal and a pair of end seals between the opposing panels that intersect the bottom seal. A pleat located in one of the panels, containing a tear strip for opening the package. A flange seal located between the flanges where one of the flanges extends beyond the flange seal to form a reclosure flap, removably secured to one panel by an adhesion surface to form a cover over the opening. Alternatively, the flanges are about equally aligned and sealed at the edges, with tear lines spaced from the edge to remove a portion of the flanges and flange seal when torn along a predetermined tear line, creating two flanges, one extending beyond the other to form a reclosure flap.

Abstract: A confidential envelope/bag is composed of a face and a back. The face and the back are linked with each other and formed with an edge at circumference; a sealing print is formed across the edges either at the back or on both the face and the back. The sealing print includes patterns, marks, graphics, texts or numbers made of paint, coating, ink, fluorescent dye, or even concaves, or extrusions. The circumference of the face and the back are adhered to each other with a suitable region to form a sealing zone.

Abstract: The present disclosure relates to a zipper for a reclosable package or bag and a method of forming thereof, wherein aligned apertures are cut into the zipper flanges proximate to the slider position when the package or bag is open. Portions of the front and rear walls of the package or bag extend through these apertures during the original manufacture of the bag, and are sealed to each other during the same sealing operation which seals the front and rear walls of the package or bag to the flanges of the zipper. The resulting seal between the front and rear walls, extending through the apertures in the zipper flanges, prevents the zipper profiles from opening in the portion where the slider is positioned when the reclosable package or bag is open.

Abstract: A tamper indicating, resealable closure for a package includes first and second film layers releasably adhesively joined together such that the first and second film layers are at least partially separable when the second film layer is pulled away from the first film layer. The first film layer includes first and second tear lines formed thereon to define first and second panel sections respectively. The first panel section defines an access opening through the first film layer when it is separated along the first tear line during an initial separation of the first and second film layers. The second panel section also becomes separated from the first film layer when the second film layer is separated from the first film layer to provide an indication of an initial opening of the closure. Subsequently, the second film layer may be re-adhered to the first film layer to reseal the access opening, while the second panel section remains separated from the first film layer.

Abstract: A tamper-evident reclosable package having a header that is tack sealed to the zipper. A light tack, in the form of a light weld, is made at the end of the package header. The header is the top portion of the package and is designed to shroud the zipper. The header serves as a tamper-evident feature, and also serves to maintain cleanliness and aesthetics of the package. The header must be tom before a person can gain access to the contents of the package. Typically, means for preferential tearing are provided for easy removal of the header. The tack seal contributes to the maintenance of the cleanliness and aesthetics of the package, while still allowing easy removal of the header. The tack is light (i.e., low bond strength or pull-off force) in order to not make it significantly more difficult to open the package.

Abstract: In accordance with one embodiment, a tamper resistant envelope comprises a first panel with an interior and an exterior side. The envelope further comprises a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the tamper resistant envelope; and a flap for sealingly adhering to an exterior surface of the first panel. The flap has an interior and an exterior side and is attached to the second panel at an edge of the second panel opposite the closed edge portion.

Abstract: A reusable tamper-evident envelope includes a first substrate, a second substrate superimposed on the first substrate, at least one auxiliary substrate superimposed on and joined along one edge to the second substrate, and at least one seal along all but one edge joining the first substrate to the second substrate. Each auxiliary substrate is spaced a user-defined distance from the top edge of the first substrate. A perforation line, extending from the left side to the right side of both the first substrate and second substrates facilitate removal of a portion of the respective substrates. After an item is placed into the envelope, the user-activated seal along the remaining edge joins the first substrate to the second substrate. Subsequent uses are possible by removing portions of the first substrate and second substrate along the perforation lines and activating the auxiliary user-activated seal along the auxiliary substrate joining the first substrate to the second substrate.

Abstract: A reclosable package comprising a hooded zipper with a pair of off-center lines of perforations that are hermetically sealed by a layer of material. The lines of perforations facilitate tearing off the hood to gain access to the zipper. One method of manufacture involves joining the hooded zipper to respective web portions formed by folding a web and then slitting the folded web in two. Another method of manufacture involves joining the hooded zipper to respective web portions formed by slitting a web in two and then orienting the two web portions into mutually confronting positions. The package may be constructed to have a wicket flap.

Abstract: A container for a food product includes a wrapper which surround a polygonal frame. The wrapper forms a top of the container and has an access opening. A sealing label, adhesively sealed to the top around the opening, is resealable when a tab of the sealing label is pulled back. The sealing label is resealable against the top layer to seal the opening when the sealing label is moved back against the top. Various tamper-evident structures are provided to indicate when the container has been initially opened or tampered with.

Abstract: A reclosable package includes a tray, a top sheet, and a fastener. The tray has a well for receiving contents and a peripheral flange surrounding the well. The top sheet is attached to the peripheral flange. The fastener has two interlocking members, one attached to the peripheral flange and the other attached to the top sheet. A tamper-evident feature located on the package prevents access to the fastener and is connected thereto by one or two lines of weaknesses. In one embodiment with one or two lines of weakness in the top sheet, the fastener remains adjacent to the tray's peripheral flange, which is intact after the tamper-evident feature is removed by tearing along these lines of weakness. In a second embodiment with two lines of weakness, the tamper-evident feature, comprised of portions of the peripheral flange and the top sheet, is torn from the package along both lines of weakness.

Abstract: A resealable package with a tamper-evident structure and methods for making the same are disclosed. The resealable package includes a front panel joined at respective opposite side edges to a rear panel to form a package having an exterior; a reclosable fastener assembly joined to the exterior of the package and including a first fastening member and a second fastening member respectively joined to the rear panel and the front panel, so that at least one marginal portion of the rear panel can be folded over in the direction of said front panel and the first fastening member can be releasably connected to the second fastening member; and a tamper-evident structure joined to the front panel and a folded over marginal portion of the rear panel.

Abstract: The application describes a container, bag, pouch or reusable envelope which is closed by one part (2) locating over a second part (1), the second part(1) having an opening (7) for receiving the head (14) of a breakable seal (13) which locks into the opening in such a manner that it cannot be removed without breaking, the seal (13) in its inserted position locking the first part (2) in place over the second part (1) in a tamper evident fashion. The second part (1) has a shoulder (17) at either side of the opening (7) and the seal (13) has on its underside recesses (19) for registration with the shoulders (17). Typically said one part (2) is the fastener tab of the zipped opening of a reusable envelope and the second part (1) is the enclosure or chamber of a lock unit mounted on the envelope, adjacent one end of the zipped opening.

Abstract: A reclosable bag for filling with at least one food product. The reclosable bag generally includes at least one sheet of web material having at least two areas of structural weakness. At least one fold structure is located between and defined by the two areas of structural weakness. An opening is located generally opposite the fold structure. The reclosable bag further includes a reclosable fastener structure having an integral skirt structure of skirt web material extending therefrom. The integral skirt structure includes a distal margin. The distal margin is coupled to the web material at, at least one location between the areas of structural weakness and the opening. The reclosable fastener structure extends past the areas of structural weakness and into the fold structure. The reclosable bag capable of being filled with at least one food product through the opening.

Abstract: A container for a food product including a tamper-evident closure which forms an opening of a container. The closure comprises a sealing layer, adhesively sealed to the top of the container around the opening. The sealing layer is releasable from the container by pulling back on the sealing layer and resealable against the top layer to seal the opening when the sealing layer is moved back against the top. The tamper-evident feature comprises a portion of the top adjacent the opening and covered by the sealing layer, which extends from a position spaced from, and extends towards and terminates at the opening of the container. A portion of the tamper-evident feature falls into the container after the sealing layer has been pulled back for a first time to thereby indicate that the container has been previously opened.

Abstract: A reclosable flexible package includes a reclosure having flanges joined at their upper ends to interlockable fastener tracks. The lower ends of the reclosure flanges are joined together with one of the reclosure flanges being joined to a side panel of the flexible package by a peel seal.

Abstract: The present invention provides a bag having closure strips and a slider, and including a marker strip for preventing manipulation of the slider prior to the marker strip being ruptured, wherein said marker strip is formed integrally with a wall of the bag and includes a single-use adhesive zone designed to fix it in its in-use position on the opposite wall of the bag.

Abstract: The reclosable bag has a gusset side structure so that the bag can be self-supporting on its bottom surface. The reclosable structure can be an internal structure or an external structure. As an external structure the front and rear walls extend above the reclosable seal and are bonded together above the reclosable seal. This extended wall structure is removed to remove these tamper evident seal. If within the bag the tamper evident seal is composed of a loop of film extending downward from each side of the reclosable seal to seal the contents of the bag. This loop must be broken to open the bag. The preferred reclosable seal is a zipper with bonded stays or each end to maintain the zipper on the bag. The bag has diagonal seals at the lower corners for forming a flat bottom to the bag and at the upper corners to provide vents for pressure equalization. The bags are made by a process where all processing is on line except for forming the zipper which is constructed off-line.

Abstract: A security bag includes a tamper-evident closure which provides a visual indication if the closure is opened. The closure includes an ink layer deposited on one wall of the security bag or on a flexible strip secured to one wall of the security bag, and an adhesive layer in overlying relationship with the ink layer for sealing the bag closed. The ink layer includes a release material deposited in a predetermined pattern, and a layer of a solid ink applied over the release material so that the predetermined pattern of the release material is not visible in the closure. The solid ink layer includes void spaces arranged in a predetermined pattern. Preferably, the pattern of the void spaces is out of registry with the pattern of the release material so that the void spaces and release material overlap to varying degrees in the closure. If the closure is forced open, the solid ink will delaminate from the surface on which it is printed, revealing in the closure the predetermined pattern of the release material.

Abstract: There is provided an intelligent luggage protection pouch according to the invention that is tamper resistant, easily identifiable, and inspection friendly (i.e. x-ray and canine searchable). The intelligent luggage protection pouch fully surrounds luggage, protects against damage to the surface of the luggage, withstands the weight of any luggage placed within it, and prevents loss of the contents of the luggage. The intelligent luggage protection pouch does not require specialized machines, tools, or knowledge. Preferably, the intelligent luggage protection pouch is disposable, environmentally friendly, and universally sized to accommodate luggage of almost any size and shape. The intelligent luggage protection pouch may be included in a kit.

Abstract: Side slot or top opening plastic coin transport bag includes a primary handle at the bag top and an optional bag bottom auxiliary handle enabling two hand or two person lifting and transport. Reinforcing patch panel and heat seals surrounding the opening strengthens the handles. Closure member closes and seals a slot opening or includes a flap top opening closure. Tear-off receipts locate at the bag top, bottom, and/or flap edge. Transverse heat seals between handles and chamber also strengthen the bag. Primary handle patch panel can extend below the front panel slot opening to adhere to closure adhesive if the slot improperly spreads open during closing. Indicia indicates upward orientation of the bag.

Abstract: The present invention relates an improved slider zipper assembly with a diaphragm for flexible packages comprising: zipper profile consisting of male element and a female element, said profile having flaps on single side, said male element having at least a pair of notches, which could be coupled to corresponding notches on female elements, a slider to close said zipper profile, and a diaphragm of at least one film sealed between said flaps to seal and make the package tamper proof and act as a barrier wherein the improvement resides in the diaphragm having a score line effected using means for scribing for making it easier and more convenient for the user to tear open and access the contents of the package.

Abstract: The invention relates to a method for manufacturing packs (1) characterized in that it comprises steps according to which: a packaging film is unwound; a first gusset is formed on the unwinding packaging film; a second gusset is formed on the unwinding packaging film, the second gusset being formed on the same edge of the unwinding film as the first gusset (3), said second gusset being associated with a closure assembly to form an opening indicator.

Abstract: A reclosable bag for filling with at least one food product. The reclosable bag generally includes at least one sheet of web material having at least two areas of structural weakness. At least one fold structure is located between and defined by the two areas of structural weakness. An opening is located generally opposite the fold structure. The reclosable bag further includes a reclosable fastener structure having an integral skirt structure of skirt web material extending therefrom. The integral skirt structure includes a distal margin. The distal margin is coupled to the web material at, at least one location between the areas of structural weakness and the opening. The reclosable fastener structure extends past the areas of structural weakness and into the fold structure. The reclosable bag capable of being filled with at least one food product through the opening.

Abstract: A combination cosmetic purse and display package whereby an article to be displayed for purchase may be hung on a conventional point-of-purchase display rod and then that portion of the overall package provided for such purpose removed such that the remaining purse portion of the overall package may be used in a conventional manner such as a purse or carrier for cosmetics and personal items.

Abstract: A bag comprising two generally parallel sheets (16, 18) forming the main walls of the bag, complementary closure strips (20, 22) fixed to respective ones of the sheets, and a cursor (50) for actuating the strips (20, 22) for closing and opening purposes, the bag being characterized in that it further comprises, parallel to the closure strips (20, 22) between said sheets (16, 18), and level with the mouth (12) of the bag, a structure (100) disposed on the insides of the closure strips (20, 22), designed to provide sealing by forming a barrier between the sheets (16, 18) in the closed position of the bag, said structure (100) being placed facing the flanks (52, 54) of the cursor (50) to be urged towards their sealing position by the cursor (50) when the cursor is moved towards the sealing position.

Abstract: A single use container comprises a slider having first and second closable profiles having an adhesive or epoxy disposed thereon. The profiles are configured, for example, to prevent premature closing and bonding.

Abstract: A reclosable package comprises first and second opposing body panels, a reclosable seal and a one-time breakable element. The reclosable seal extends along one end and includes first track and second tracks. The first track includes a first fin portion and a first reclosable element. The first fin portion has a first end and a second end that is further from the first reclosable element. The one-time breakable element comprises first and second sections and initially extends from the first fin portion to the second fin portion. Each of the first and second sections extends upwardly and inwardly from near the respective second ends of the first and second fin portions so as to form a generally inverted U-shaped or V-shaped cross-sectional configuration. The first and second opposing body panels are attached to respective first and second sections of the one-time breakable element.

Abstract: The application describes a closeable bag, pouch or container with an opening which can be closed by means of a lock unit which cooperates with a disposable locking member to close the bag, pouch or container. The opening has first and second opposing sides. The lock unit is on the first side of the opening and has first and second apertures. The second side has first and second apertures corresponding to those of the lock unit. The locking member has first and second protrusions for location in the apertures of the lock unit and the second side of the opening. The second side is clamped between the locking member and the lock unit. At least the second protrusion of the locking member has a configuration such that it locks into the second aperture of the lock unit. The locking member has a line of weakness running between the protrusions such that the first protrusion can be disengaged from the lock unit in a first step and the second protrusion can be disengaged from the lock unit in a second step.

Abstract: The invention relates to an adhesive label, a resealable package provide with such a label and a label web. The package has an openable flap (14) defined by an arcuate indication (16). The label (12) is adhesively fixed to the package body for the purpose of resealably sealing the flap. The label has a top portion forming a gripping tab (20) and two leg portions (22) extending in a diverging manner from the gripping tab (20) and defining between them a central recess (23). The label is integrated with at least one projecting indicator portion (24) for each leg portion (22), which indicator portions are adapted to be separated from the label (12) when the package (10) is opened for the first time. The leg portions with the projecting indicator portions (24) form a first contour on the convex side of the indication (16) and the leg portions (22) form a second contour on the concave side of the indication (16), which is complementary to the first contour.

Abstract: A plastic bag comprises opposing body panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. A reclosable zipper extending along a mouth portion formed opposite the sealed bottom of the plastic bag. The zipper is preferably free of graspable upper pull flanges in order to best accommodate a slider and inhibit operation of the zipper without the slider. The slider is mounted to the zipper for movement between a closed position and an open position. The zipper is closed while the slider is in the closed position. The zipper is opened in response to movement of the slider to the open position. To inhibit tampering with the contents of the bag, the bag includes a tamper-evident feature. In one set of embodiments, the tamper-evident feature initially maintains the slider in the closed position and allows the slider to move away from the closed position toward the open position in response to removing or breaking the tamper-evident feature.

Abstract: A reclosable package has a flexible zipper and a flexible funnel that can be turned inside out to provide a spout for dispensing the package contents. The funnel has a terminal portion that is offset relative to a midplane of the package. Initially, the funnel is tucked inside the filled package in an unopened state. The funnel can be accessed by pulling apart the zipper halves. The consumer must reach inside the open package and pull the funnel inside out. Then the tip of the funnel is snipped, cut or torn to provide a spout for dispensing product. The offset of the opening allows the consumer to better direct the pour of the package contents, while making the bag easier to handle, especially large bags. The funnel itself directs the package contents, especially fine powders, away from the reclosable zipper profiles so that one or both profiles do not become clogged with matter that might interfere with interlocking.

Abstract: A bag having a tamper evident closure and methods of forming the same are provided. The bag has a tube body with a front wall and a back wall positioned between a first end and a second end. A back flap extension member connects to and extends outwardly from the second end of the back wall. A primer material is positioned on the back flap extension member and an adhesive material is placed on the back flap extension member that folds over to overlie and contact the primer material. The back flap extension member adheres to the front flap extension member and portions of the front wall to close the second end. When the back flap extension member liftingly separates from the front wall, at least one of the back flap extension member and the front wall tears indicating evidence of tampering.

Abstract: A flexible package is provided with a shrouded slide fastener closure. The shroud includes an opening for the slide, extending to a line of weakness joining the shroud to the remainder of the flexible package. The opening includes an acute angle portion communicating with the line of weakness to facilitate tearing of the shroud from the flexible package.

Abstract: A bag having a reclosable sealer and methods of forming and using the same are provided. The bag, for example, can include a tube body having a plurality of laminated layers. A reclosable sealer can be attached to a first wall of the tube body. When the bag is in an open bag position, a first portion of the reclosable sealer is separated from a second portion of the reclosable sealer. When the reclosable sealer is in the closed seal position, the first portion of the reclosable sealer contacts the second portion of the reclosable sealer forming a seal to thereby allow the bag to be readily opened and closed. Peripheral portions of the bag can remain unsealed after initial opening when the reclosable sealer is in the closed seal position to indicate that initial opening has occurred and that tampering with the bag may have occurred.

Abstract: A reclosable fastener strip for securing to a film web comprises first and second flangeless, elongated profile strip having a plurality of interlocking hooks, recesses and protuberances. Each hook, as extruded, has a half arrowhead-shaped tip, a concave or partial-concave tail, and a generally upstanding neck connecting the tip and tail. Each recess has a base with a pair of generally upstanding neck elements disposed on opposite ends of the base. The base does not extend laterally beyond the neck elements. Each protuberance, as extruded, has a rounded tip, a concave or partial-concave tail, and a generally upstanding neck portion connecting the tip and tail. The profile strips are readily secured to the web without entrapping air between the profile strips and the film web and form an airtight and watertight seal. The interlocking hooks, recesses and protuberances are dimensioned to provide and airtight and watertight seal upon interconnection thereof.

Abstract: A flexible container formed by sealing at least two webs of material with respect to each other to form a void between the webs. Each web preferably has at least two layers. A first web has a first thickness, and a closure area. In at least a portion of the closure area, the first web has a second thickness which is less than the first thickness. A void opening formed in the first web at the closure area provides access to the void. A layer of adhesive is applied to the first web at the closure area to provide for a leak-proof seal at the closure area when the flexible container is folded with respect to the void opening.

Abstract: A bag including two generally parallel sheets forming the main walls of the bag, complementary closure strips fixed to respective ones of the sheets, and a cursor for actuating the strips for closing and opening purposes. Parallel to the closure strips between the sheets, and level with the mouth of the bag, additional sealing structure in relief disposed on the insides of the closure strips, designed to provide sealing by forming a barrier between the sheets in the closed position of the bag, the additional sealing structure in relief being placed facing the flanks of the cursor to be urged towards their sealing position by the cursor when the cursor is moved towards the sealing position.

Abstract: Side slot or top opening plastic coin transport bag includes a primary handle at the bag top and an optional bag bottom auxiliary handle enabling two hand or two person lifting and transport. Reinforcing patch panel and heat seals surrounding the opening strengthens the handles. Closure member closes and seals a slot opening or includes a flap top opening closure. Tear-off receipts locate at the bag top, bottom, and/or flap edge. Transverse heat seals between handles and chamber also strengthen the bag. Primary handle patch panel can extend below the front panel slot opening to adhere to closure adhesive if the slot improperly spreads open during closing. Indicia indicates upward orientation of the bag.

Abstract: A double gusseted, tamper evident, reclosable container 120 of plastic film. The container can be stored in a flat condition but is capable of receiving a bulky item such as a loaf of bread or a stack of paper napkins with the bag assuming a squared off condition. The container 120 has two gussets 185 and 191.

Abstract: A flexible, reclosable package having a reclosable zipper construction openable and closeable by a slider device, and a tamper-evident structure disposed over the zipper construction to provide indication whether access has been gained to the interior of the package. A second tamper-evident structure may be disposed between the zipper construction and the package interior. This second structure may be a web or a peel seal.

Abstract: A flexible, reclosable package includes first and second panel sections defining an interior, and a zipper sealed to each of the first and second panel sections along a top edge thereof. The zipper includes first and second mating profiles, each having an upper flange. A slider device is constructed and arranged for mounting on the zipper and for interlocking the first mating profile with the second mating profile when the slider device is moved in one direction, and disengaging the first mating profile from the second mating profile when the slider device is moved in another opposite direction. A tamper evident seal attaches the upper flanges of the first and second profiles together and extends through a passageway formed through the slider device.

Abstract: A security bag includes a tamper-evident closure which provides a visual indication if the closure is opened. The closure includes an ink layer deposited on one wall of the security bag or on a flexible strip secured to one wall of the security bag, and an adhesive layer in overlying relationship with the ink layer for sealing the bag closed. The ink layer includes a release material deposited in a predetermined pattern, and a layer of a solid ink applied over the release material so that the predetermined pattern of the release material is not visible in the closure. The solid ink layer includes void spaces arranged in a predetermined pattern. Preferably, the pattern of the void spaces is out of registry with the pattern of the release material so that the void spaces and release material overlap to varying degrees in the closure. If the closure is forced open, the solid ink will delaminate from the surface on which it is printed, revealing in the closure the predetermined pattern of the release material.

Abstract: A confidential envelope/bag is composed of a face and a back. The face and the back are linked with each other and formed with an edge at circumference; a sealing print is formed across the edges either at the back or on both the face and the back. The sealing print includes patterns, marks, graphics, texts or numbers made of paint, coating, ink, fluorescent dye, or even concaves, or extrusions. The circumference of the face and the back are adhered to each other with a suitable region to form a sealing zone.

Abstract: A flexible zipper incorporating a layer of gas-impermeable thermoplastic material in one or both flanges. The zipper is installed in the mouth of a reclosable package or bag made of gas-impermeable material shaped to form a receptacle. The gas-impermeable web material of the receptacle and the layer of gas-impermeable material of the zipper form a substantially gastight enclosure for preserving the perishable contents of the package. Flexible zippers having a layer of gas-impermeable thermoplastic material joined to a layer of gas-permeable thermoplastic material are preferably manufactured by a coextrusion process. The resulting gas barrier inside the receptacle has a zone of preferential tearing.

Abstract: A reclosable package has a first wall and a second wall opposite to the front wall A first zipper profile including a first interlocking member is attached to the first wall and a second profile having a second interlocking member, engageable with the first interlocking member, is attached to the second wall. A slider is positioned on the profiles for movement along the profiles from side to side of the package. Package material is provided which must be removed or ruptured to permit operation of the slider or to provide access to the package contents. In either event, the steps needed to permit the initial access to the package contents leave clear evidence for a consumer that the package has been opened.

Abstract: A tamper evident package has a first wall and a second wall facing the first wall. A zipper is provided at a top of the package. The first and second walls include portions that extend over the zipper and the first wall extension portion has a line of weakness that extends parallel to the zipper. A peel seal joins the first wall and the second wall above the interlocking members of the profiles and sections of the first and second walls extend beyond the peel seal. If the zipper has a slider, a pocket is formed in one of the walls to accommodate the slider. The slider pocket extends parallel to the zipper. Methods of forming he package on various types of form, fill and seal equipment as well as the equipment are also disclosed.

Abstract: The reclosable plastic bag is formed by opposing panels of web with four sides sealed. A zipper is sealed within the bag so that a first zipper profile is sealed to a first opposing panel and a second zipper profile is sealed to a second opposing panel. A slider engaging the zipper profiles in a closed position protrudes from an opening in at least one of the opposing panels and may be further secured in place by a label. The slider cannot be moved from the position wherein the zipper profiles are closed to the position wherein the zipper profiles are open prior to the user tearing a perforated or otherwise weakened line across the panels. When this tear is made, it is unmistakable and intuitive evidence that the bag may have been previously opened and depending upon the circumstances, possibly tampered.

Abstract: A high strength plastic bag is formed from two sheets of polymeric material. The sheets are folded, machined, and heat sealed to form a receptacle portion, a flap for covering an opening to the receptacle portion, and a handle having three layers of polymeric material for improved strength. The bag includes a tamper-indicating closure and has a high friction coefficient to prevent sliding of stacked bags.