Abstract: A package or pouch comprising one or more panel portions and a reclosure device. The reclosure device is provided to extend outward from a panel portion of the package to facilitate the use of the package to store and dispense wet wipes and like products.

Abstract: A bag has a tubular edge portion defining an open end, the edge portion being defined by two elongate parts. Adhesive is disposed upon one of the parts and is adapted to grip the other of the parts. A strip extends from the open end to a terminus disposed interiorly of the bag, is adhesively secured to the one part in overlying relation to the adhesive and has apertures thereby defining areas of exposed adhesive. A lip has a release portion that extends from the terminus and is frangibly connected thereto, the release portion being disposed in overlying relation to the strip, to isolate the other of the parts from the areas of exposed adhesive and has an adhesive resistant surface to permit the lip to be detached via the frangible connection, thereby to permit closure by adhesion of said other of the parts to the areas of exposed adhesive.

Abstract: The disclosure relates to a gusseted reclosable package with an internal unisex reclosure strip. The reclosure strip has upper and lower flanges, and a two or three-point connection, rather than a four-point connection, to the interior circumference of the package. This results in the package having a higher internal (product side) opening strength than the external (consumer side) opening strength, thereby allowing the package to be easily opened by the consumer while maintaining a high burst strength.

Abstract: A thin portion is provided near an opening of a bag body to a main body of a belt-like base connected to an engagement portion. The thin portion is provided between a thick first projecting portion and a thick second projecting portion. The thin portion is thinner than the first projecting portion and the second projecting portion. On the thin portion, ribs are provided in plural lines.

Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip, a panel section, and a die cut defining a die cut segment; a first and second anchor seal; the base strip including a sealing segment, backing segment, and intermediate layer including a pressure sensitive adhesive; and a product disposed in the pouch. The die cut segment is so arranged that when the package is opened, the sealing segment is partially removed from the base strip, the pressure sensitive adhesive is partially exposed, and the package can thereafter be reclosed by adhering any of the first side panel, second side panel, and panel section to the pressure sensitive adhesive. Methods of making the package, and a pouch, are also disclosed.

Abstract: The invention relates to a side gusseted bag 1,21 made of flexible material, wherein two opposing main walls 2,23 are connected at adjacent long sides 5,6 by at least one (first) side gusseted wall 4,22 that can be folded between the main walls 2,23 and comprise an opening at the top side that can be connected to a resealable closure 7,24 made of at least a pair of opposing closure elements 8,26 mounted on one or the other of the main walls 2,23, wherein the closure elements 7,24 are not fixed to each other at the ends thereof above the side gusseted wall in the opened state of the closure element, and the side gusseted wall 4,22 can be unfolded outward at the top side, designed in the sense of a good storage and transport closure, simultaneously retaining the potential for simple and wide opening and sufficient closure, such that the side gusseted wall 4,22 is separably fixed in a folded position between the main walls 2,23 before it is first opened.

Abstract: An easy-open and reclosable package includes a pouch including a reclosure mechanism including a first and second interlocking strip each having an interlocking segment having a base surface and an interlocking surface; a panel section so arranged that when the panel section is displaced, and the package is opened, a product can be accessed between the first and second interlocking strips, the first and second interlocking surfaces are at least partially exposed, and the package can thereafter be reclosed by folding the package such that the interlocking surface of the first interlocking strip is interlocked with the interlocking surface of the second interlocking strip. The first and second strips are not exposed until the package is initially opened, and are not interlocked with one another until the package is initially opened and then reclosed.

Abstract: The invention provides a sterilizable pouch having at least one wall formed of a flexible film and including an opening formed therein for providing communication to an interior space of the package. A breathable material is disposed on an outer surface of the wall covering the opening. The breathable material is joined to the outer surface of the wall with a continuous heat seal. The flexible film forming the wall comprises a multilayer film having a peel feature that permits the breathable material to be peelably removed from the surface of the pouch.

Abstract: A pouch can include a first wall, a second wall, and a lower gusset that extends from each of the first and second walls. The pouch can further include an upper gusset that extends from at least the first wall. The pouch can further include a seal region at an upper end of the pouch. The seal region can be opened to yield an opening through which the contents of the pouch can be accessed. The opening can be at least partially defined by the upper gusset and/or the upper gusset can define a pocket that can maintain external debris therein as the opening is expanded.

Abstract: A reclosable, multi-compartment package for storing foodstuff separately in at least two compartments which are combined upon opening is disclosed, and methods of use and manufacture thereof. The package also provides for mixing of the separated foodstuff upon opening of the package just prior to use. The opening of the package further includes a reclosable structure. Upon opening the package, the frangible seals are separated thus combining the at least two compartments into one compartment.

Abstract: A reclosable flexible package having a reclosable closure comprising easy-to-use adhesive securement means in combination with non-reclosable closures provided above and below the reclosable closure. The package provides a re-openable seal for reclosing the bag upon a partial discharge of the contents thereof, such as food contents. The flexible package offers manufacturing ease and cost-savings, and tamper-resistance. The flexible package also may be incorporated into a bag-in-box package configuration. Methods of making and filling the package also are provided.

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: An easy-open and reclosable package includes a pouch including a reclosure mechanism including a first and second interlocking strip each having an interlocking segment having a base surface and an interlocking surface; a panel section so arranged that when the panel section is displaced, and the package is opened, a product can be accessed between the first and second interlocking strips, the first and second interlocking surfaces are at least partially exposed, and the package can thereafter be reclosed by folding the package such that the interlocking surface of the first interlocking strip is interlocked with the interlocking surface of the second interlocking strip. The first and second strips are not exposed until the package is initially opened, and are not interlocked with one another until the package is initially opened and then reclosed.

Abstract: Flexible film packages having a body defining an interior contents cavity and having a first and second end seal (36, 38) and a longitudinal fin seal (40) extending from the first to second end seal; the body having a first side portion (40) having the longitudinal fin seal and a second side portion (30) opposite the first side portion; a score (24) formed in the flexible film at the second side portion defining an opening upon initial rupturing; a closure layer (26) covering the score and a portion of the second side portion around the score and extending on to at least a portion of the first side portion; and the closure layer on the second side portion being capable of at least partial removal from the flexible film to rupture the score and form an opening; and the closure layer on the first side portion resisting further removal of the closure layer from the flexible film

Abstract: A flexible package is defined by an inner package layer and a surrounding outer package layer. The inner and outer layers define a tubular body and opposing end portions. A first region of weakness is provided within the outer package layer and is spaced from one end of the package. The region of weakness within the outer packaging layer forms an opening mechanism for the outer layer to expose the inner packaging layer. A second region of weakness is provided within the inner package layer and is spaced from the end of the inner package. The second region of weakness positioned offset from the first region of weakness, to permit the two opening mechanism to be separately activated.

Abstract: A reclosable bag with a hook and hook closure can include walls formed of a material having multiple layers, which can include at least one gusset. The bag can be formed into a full open mouth configuration for ease of filling and ease of dispensing product. The hook and hook closure allows for an imprecise alignment of the closure track to substantially close the bag around the gusset area. A method of manufacturing a reclosable bag with a hook and hook closure is also presented.

Abstract: This disclosure describes a secure access, easy opening tamper evident feature for sealable bags. The tamper evident feature provides dual zones for tamper-detection and may be sealed within a bag to form a package in such a manner that allows for the filling of product into the package and the handling of the package to be safely made, as the tamper evident feature may be positioned away from deleterious contact with the product. The package may be a combination of the tamper evident feature and a flexible bag. The package may include an easy opening end configuration for secure access inside the bag when the tamper evident feature is exposed and subsequently torn open by an end-user along the dual zones for tamper detection. The package may be formed with bags having side gussets or, alternatively, with folded-closed end. Methods for making and filling such packages are also provided.

Abstract: A bag structure includes, in an example embodiment, a bag body including side walls having inner and outer surfaces, and the bag body further includes a top end and a bottom end. A closure member is coupled to the top end for opening and closing the bag body. A sealing material is applied to an area proximate at least one of a top edge of the side walls and a bottom edge of a portion of the closure member. An adhesive member is secured to the bag body. The adhesive member includes a reinforced section and an adhesive section. The adhesive member is configured to retain the top end of the bag body in a folded over relationship until the adhesive member is severed along the reinforced section.

Abstract: A thin portion is provided near an opening of a bag body to a main body of a belt-like base connected to an engagement portion. The thin portion is provided between a thick first projecting portion and a thick second projecting portion. The thin portion is thinner than the first projecting portion and the second projecting portion. On the thin portion, ribs are provided in plural lines.

Abstract: There is provided a synthetic resin bag having an easy-opening function in which an opening operation can be easily made on a side of an opening section of a bag body while it is prevented on a side of an interior section of the bag body and comprising two front and back panel films 1a and 1b of the bag body and two easy peel tapes 4a and 4b each including an easy peel layer and a thermally adhesive layer and disposed inside of the panel films of the bag body in an opening section 2 thereof over the whole lateral widths thereof, the easy peel layers of the two easy peel tapes faced to each other being weakly adhered to each other as indicated by a reference numeral 6 and the thermally adhesive layers of the two easy peel tapes being strongly adhered as indicated by reference numerals 5a and 5b to the inner faces of the panel films 1a and 1b of the bag body, respectively, so that the thermally adhesive layers have adhesion width difference of long and short widths C1 and C2 in a direction perpendicular to the

Abstract: Clamps and methods are disclosed for clamping portions of fluid containers and displacing fluid from portions of fluid containers. In one embodiment, a clamp has a first jaw having a photopermeable main body portion and a second jaw. The first and second jaws are operatively associated so that at least one jaw, or both jaws, may be moved between clamped and released positions. The clamp is sized to receive a portion of a fluid container and displace fluid in the fluid container from a clamped region of the fluid container when the first and/or second jaw(s) are in the clamped position. The photopermeable main body portion(s) of the first and/or second jaw(s) allow some light to reach the clamped region of the fluid container during photoradiation to inactivate pathogens in the fluid. Various clamp embodiments and assemblies having lock members and interlocks are also disclosed herein.

Abstract: A reclosable back-seam bag having a top seal and a bottom seal, and a front wall and a back wall is disclosed. The front wall is joined to the back wall at the top seal and the bottom seal. The reclosable back-seam bag includes a reclosable fastener that includes two ends, a first continuous elongated profile strip having a front wall connecting flange and a second continuous elongated profile strip having a back wall connecting flange. The first continuous elongated profile strip includes a male interlocking profile having at least one male interlocking member, and the second continuous elongated profile strip includes a female interlocking profile having at least one female interlocking member. The male interlocking member is configured so as to cause the male interlocking profile to be separated from the female interlocking profile with a substantially equal opening force when being separated in a direction toward said top seal as when separated in a direction toward said bottom seal.

Abstract: A zipper tape includes a pair of a male member and a female member including engagement portions and belt-like bases, continued to the engagement portions. The belt-like base includes a seal base defined by widening the belt-like base a larger width from the engagement portions to a crosswise end of the belt-like base than that of the belt-like base. A bond layer and an easy-peel layer are layered on a surface of the seal base in side of the engagement portion and heat-fused to a bag body. The seal base is formed of polypropylene. The bond layer is formed of a mixture of polypropylene and low density polyethylene. The easy-peel layer is formed of a mixture of low density polyethylene and polypropylene. A ratio of polypropylene in the easy-peel layer is smaller than a ratio of polypropylene in the bond layer.

Abstract: A sealed package is disclosed that includes a breachable bubble for opening the package in combination with at least one reclosable device. The reclosable device may comprise a pair of opposing interlocking members. The breachable bubble allows for the package to be easily opened while the reclosable device allows for the package to be closed once opened. The breachable bubble and the reclosable device can be preformed on opposing strips that are then incorporated into the package as the package is being formed.

Abstract: The present disclosure relates to a high burst slider zipper which allows for bottom filling of reclosable packages, such as large bags, and further provides increased resistance to damage from the dropping or shock loading of the filled package. This is achieved by providing a peel seal or other frangible or separable connection between the zipper profiles, and by sealing a portion of one of the flanges to itself by a hard seal above the peel seal. This causes the external forces on a bag from bottom filling or shock loading to be directed toward the hard seal and further directed so as to cause a shear force against the peel seal, thereby increasing the resistance of the package to external forces.

Abstract: The invention relates to an endosurgical extraction bag for collecting body tissue or body fluid, with a bag main part formed from a flexible envelope, and with a first admission opening for introducing tissue or fluid into the bag main part of the bag. Arranged in the bag main part, there is an inner envelope which is connected to the main part (bag) and opens toward the first admission opening, but adjoins the bag main part sealingly in respect of the first admission opening, and which has a second admission opening at its second end remote from the first admission opening and spaced apart from an end of the bag main part remote from the first admission opening, through which second admission opening the tissue or fluid can be introduced into the bag main part.

Abstract: A zipper assembly for a reclosable package or bag is disclosed. The zipper assembly includes two profiles with flanges and internal interlocking elements on the interior of the flanges. The exterior of one of the flanges includes two exterior parallel press-to-close profile-like interlocking elements which are brought into engagement with each other by folding the flanges of the zipper assembly. This increases the burst handling capability of the zipper assembly and the package or bag to which it is attached. Alternatives include substituting a peel seal for the exterior interlocking element as well as an exterior label or sticker to maintain the flanges in a folded configuration.

Abstract: A connector for connecting a container with a fluid preparation device for preparing a fluid, in particular a container with a concentrate for the preparation of dialysis fluid, as well as the combination of the connector, the corresponding container and the fluid preparation device. In order to simplify the handling during both the manufacturing process of such containers and the connection of such containers to the fluid preparation devices, the connector connects a first and second fluid line of the container with a third and fourth fluid line of the fluid preparation device with two laterally spaced-apart mounting elements which each incorporate one of two orifices terminating the first and second fluid lines.

Abstract: A closure element is used for closing an opening disposed through the flexible sidewall of a storage bag such as those used to store food items. The storage bags provide an internal volume accessible via the opening. The closure element includes a first fastening strip and an interlocking second closure strip. The first and second fastening strips include complementary, engagable first and second closure profiles. To hermetically seal the internal volume, at least a portion of the first or second fastening strip can include a sealant. The sealant can be a displaceable fluid, fluid-like substance, semi-rigid substance, or wax-like substance such as an oil or a gel. When the closure profiles are engaged, the sealant provides an air tight barrier sealing the internal volume.

Abstract: A flexible non-PVC, non-DEHP polyolefin container or bag for medical fluids has an elongated container body formed of polyolefin film. The container has one or more ports equipped with a polyolefin fill tube and port closure assembly. The container includes a concave seam on at least one of its longitudinal sides.

Abstract: A bag for installation on a mobile cleaning cart features an open top end at which the bag is arranged for hanging support on the mobile cleaning cart and an openable and closable bottom end facilitating removal of contents from the bag through said bottom end with the top end hanging from the cart. Installed on a cart of known types commonly used in custodial, janitorial, maid or housecleaning services, the bag can be emptied through the selectively openable bottom end of the bag to avoid lifting of the bags contents through the open top end.

Abstract: A modified flexible package includes a front elastomeric wall and a rear elastomeric wall. The front wall and the rear wall are sealed together at a top seal at a top end of the side walls. The top seal is formed by applying heat and/or pressure for a given dwell period, and is preferably a de-laminating seal. A first zipper part is attached to an inside surface of the front wall and has a first engagement member facing the rear wall. A second zipper part is attached to an inside surface of the rear wall and has a second engagement member facing the front wall. The first and second engagement members are engaged together. Both the top seal and the zipper engagement members are “pinch-grip opened” under a pinch-grip pulling force applied to the front and rear walls below the zipper. The front and rear walls have a strength sufficient to resist tearing and deformation under the application of the pinch-grip pulling force during pinch-grip opening.

Abstract: The present disclosure relates to a high burst closure which allows for bottom filling of packages, such as large bags, and further provides increased resistance to damage from the dropping or shock loading of the filled package. This is achieved by providing profiles that combine an upper portion of one profile and its related flange, so as to form a juncture above a peel seal joining one profile to the other, so that external forces on a package or bag from bottom filling or shock loading are directed toward the juncture thereby causing a shear force against the peel seal or other frangible connection, thereby increasing the resistance of the package to external forces.

Abstract: A liquid storage bag having a partition wall allowed to be peeled easily and not peeled by an accidental drop, etc. The liquid storage bag is one wherein the upper part thereof is closed with a freely and closable zipper, the bottom thereof is provided with a liquid outlet, and an easily peelable partition wall (a weak seal part) is provided close to the zipper. The internal space of the liquid storage bag is divided liquid-tightly into upper and lower parts through this weak seal part, liquid is stored in the lower part of the internal space (liquid storage chamber), and the weak seal part is formed in outside-convex form at a center and increased in width at both end parts thereof.

Abstract: A package having a gusseted panel portion is depicted and described. The package generally includes opposing panel portions that at least partially define an interior cavity or compartment therebetween that is accessible through an access device. The gusseted panel portion provides a material impact barrier within the interior cavity or compartment of the package to assist in protecting the access device from the impact or load of material contents within the package.

Abstract: A storage bag comprises: first and second panels joined or connected on three sides and having a mouth on a fourth side; a pair of zipper strips respectively joined to the first and second panels in the region of the mouth, each zipper strip comprising respective upper and lower zipper profiles; resealable means joined to at least one of the zipper strips in a region between the upper and lower zipper profiles; and a slider that pushes the respective pairs of zipper profiles together and reseals the resealable means as the slider travels along the mouth of the bag. In one embodiment, the resealable means comprise a layer of adhesive material that adheres to the base web of the opposing zipper strip as the moving slider presses the adhesive material and base web together. In another embodiment, the resealable means comprise first and second layers of cohesive material that cohere to each other as the moving slider presses the layers of cohesive material together.

Abstract: A reclosable package comprising front and rear panels extending between top and bottom transverse seals, the front panel having a line or lines of weakened tear resistance for forming an opening, through which a zipper can be accessed. The zipper is suspended from the top transverse seal and attached to the front panel at a lower elevation. At least a major portion of the base strip of a forward zipper part is disposed between the front panel and the base strip of a rearward zipper part. Respective upper portions of the zipper base strips are joined to each other in the top transverse seal. A lower portion of the base strip of the forward zipper part is joined to the front panel in a transverse band-shaped zone of joinder. No portion of the base strip of the rearward zipper part is joined to the rear panel outside of the top transverse seal.

Abstract: The reclosable package or bag includes a zipper which allows for high burst strength while maintaining easy opening capability. The zipper includes first and second profiles which include respective first and second exterior flanges which are glued or heat sealed to corresponding first and second panels of the package or bag. The first profile further includes an interior flange. A peel seal is formed between the interior flange and the second exterior flange. In this configuration, a high load on the panels puts the peel seal into a shear mode, which results in greatly increased strength of the peel seal and therefore of both the zipper and the package or bag. After the high load subsides, the peel seal returns to the configuration in which it can be separated by a much lower peel force, such as is applied by a consumer during ordinary opening.

Abstract: The present disclosure relates to a high burst closure which allows for bottom filling of packages, such as large bags, and further provides increased resistance to damage from the dropping or shock loading of the filled package. This is achieved by providing profiles that combine an upper portion of one profile and its related flange, so as to form a juncture above a peel seal joining one profile to the other, so that external forces on a package or bag from bottom filling or shock loading are directed toward the juncture thereby causing a shear force against the peel seal or other frangible connection, thereby increasing the resistance of the package to external forces.

Abstract: A zipper tape includes a pair of a male member and a female member including engagement portions and belt-like bases, continued to the engagement portions. The belt-like base includes a seal base defined by widening the belt-like base a larger width from the engagement portions to a crosswise end of the belt-like base than that of the belt-like base. A bond layer and an easy-peel layer are layered on a surface of the seal base in side of the engagement portion and heat-fused to a bag body. The seal base is formed of polypropylene. The bond layer is formed of a mixture of polypropylene and low density polyethylene. The easy-peel layer is formed of a mixture of low density polyethylene and polypropylene. A ratio of polypropylene in the easy-peel layer is smaller than a ratio of polypropylene in the bond layer.

Abstract: A reclosable bag (22) has a top seal (26) and a reclosable zipper (14). A tear string (16) passes through the top seal (26) and has a free end which can be grasped to open the top seal. The bag is made using cross-web technology with the tear strings (16) being attached to the lengths of zipper and the free ends of the strings being concertinaed in the top seal zone.

Abstract: A zipper assembly for a reclosable package or bag is disclosed. The zipper assembly includes two profiles with flanges and internal interlocking elements on the interior of the flanges. The exterior of one of the flanges includes two exterior parallel press-to-close profile-like interlocking elements which are brought into engagement with each other by folding the flanges of the zipper assembly. This increases the burst handling capability of the zipper assembly and the package or bag to which it is attached. Alternatives include substituting a peel seal for the exterior interlocking element as well as an exterior label or sticker to maintain the flanges in a folded configuration.

Abstract: This invention relates to a flexible container designed to contain food products, particularly in powder and granular form, comprising a plurality of walls (2, 3) joined together by thermal welding, the said walls forming a mouth (4), mouth (4) being associated by thermal welding with a base member (5) and having the feature that the said base member (5) comprises a grating (6) for controlled delivery of the said food products and in that the said base member (5) comprises means capable of providing a removable closure (7) for the said grating (6).

Abstract: A receptacle that is foldable between its open mode for receiving material and a secured mode where its top is double folded and secured with fasteners for maintaining material within the receptacle, or the receptacle is foldable between its open mode and a storage mode when the receptacle is folded to align releasable fasteners and to create a pass-through pocket for receiving accessories. In the storage mode, the receptacle can easily be carried in a pocket or purse until needed to receive undesirable material for disposal. The receptacle can be unfolded from the storage mode to the open mode to receive material.

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: The present disclosure relates to a method for producing a high burst slider zipper which allows for bottom filling of reclosable packages, such as large bags, and further provides increased resistance to damage from the dropping or shock loading of the filled package. This is achieved by providing a peel seal or other frangible or separable connection between the zipper profiles, and by sealing a portion of one of the flanges to itself by a hard seal above the peel seal. This causes the external forces on a bag from bottom filling or shock loading to be directed toward the hard seal and further directed so as to cause a shear force against the peel seal, thereby increasing the resistance of the package to external forces.

Abstract: A method of filling a bag includes holding the bag open to define a fill path extending past an obverse side of a closure strip, between the closure strip and an opposed wall of the bag, and pouring contents into the open bag through the fill path.

Abstract: Flexible packages for use in an aseptic filling and sealing apparatus and systems incorporating the packages and apparatus. The packages are formed of a flexible material and include an openable line so that the package can be opened, filled and sealed with a product under aseptic conditions.

Abstract: A reclosable vacuum storage bag having a zipper that can be hermetically sealed after the zipper is closed and before the bag is evacuated. The hermetic seal can be provided by means of a pressure-sensitive adhesive coating on one of the two zipper strips or by means of a pair of cohesive coatings on confronting portions of the respective zipper strips. The coating or coatings run the entire length of the bag mouth.

Abstract: A reclosable package having a slider-operated zipper wherein the contents of the package are accessed through the front wall of the package, not through the top of the package. The reclosable package comprises: a bag body comprising front and rear walls of bag making material; a flexible zipper joined to the front wall and not joined to the rear wall; and a slider mounted to the zipper, the slider being movable in a first direction along the zipper for opening the zipper and movable in a second direction along the zipper for closing the zipper. Alternatively, the flexible zipper is joined to the front wall along first and second zones of joinder disposed at different heights on the front wall, and is joined to the rear wall only in zones of joinder where the zipper is joined to both of the front and rear walls.