WO2009042133A1 - Fourre-tout ayant un sac intérieur souple vidable et refermable - Google Patents

Fourre-tout ayant un sac intérieur souple vidable et refermable Download PDF

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Publication number
WO2009042133A1
WO2009042133A1 PCT/US2008/011046 US2008011046W WO2009042133A1 WO 2009042133 A1 WO2009042133 A1 WO 2009042133A1 US 2008011046 W US2008011046 W US 2008011046W WO 2009042133 A1 WO2009042133 A1 WO 2009042133A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
resealable
recited
receptacle
rigid
Prior art date
Application number
PCT/US2008/011046
Other languages
English (en)
Inventor
Linh Pham
Martin Calvo
Original Assignee
Illinois Tool Works Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc. filed Critical Illinois Tool Works Inc.
Publication of WO2009042133A1 publication Critical patent/WO2009042133A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/02—Interior fittings; Means, e.g. inserts, for holding and packing articles
    • A45C13/03—Means for holding garments
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/02—Interior fittings; Means, e.g. inserts, for holding and packing articles
    • A45C2013/028—Interior fittings; Means, e.g. inserts, for holding and packing articles for holding or compacting items by creating vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum

Definitions

  • This invention generally relates to evacuable storage containers, and in particular, to evacuable reclosable and flexible storage bags.
  • Collapsible, evacuable storage containers typically include a flexible, airtight bag, an opening through which an article is inserted inside the bag, and a fixture through which excess air is evacuated.
  • a user places one or more compressible articles into the bag through the opening, seals the opening, and then evacuates the air in the bag through the fixture.
  • the compressible articles contained therein may be significantly compressed so that it is easier to transport and requires substantially less storage space.
  • compressible items such as clothing may be stored in collapsible, evacuable storage bags.
  • the storage bag containing the compressed items is deformable and may, in turn, be placed inside a rigid or semi-rigid container for transport and/or storage, as disclosed in U.S. Patent Application Serial No. 11/000,000. Because the contents of the bag have been compressed, the number of items that can be stored in a fixed volume is increased.
  • the invention is directed to systems for carrying and transporting compressible articles.
  • One aspect of the invention is a system comprising: a resealable flexible bag comprising a receptacle having a mouth at a top and an interior volume, a resealable zipper installed in the mouth, and a one-way vacuum valve for use in evacuating the interior volume of the receptacle, wherein the receptacle in a flattened state comprises front and rear walls joined by first and second side seals and a gusseted bottom joined to the front and rear walls by first and second bottom seals respectively, the gusseted bottom and the front and rear walls being made of a flexible web material, and the one-way vacuum valve being attached to and penetrating the front wall; and a board made of a rigid or semi-rigid material, the board being loosely disposed inside and freely removable from the receptacle.
  • a resealable flexible bag comprising a receptacle having a mouth at a top and an interior volume, a resealable zipper installed in the mouth, and a one-way vacuum valve for use in evacuating the interior volume of the receptacle, wherein the receptacle in a flattened state comprises front and rear walls joined by first and second side seals and a gusseted bottom joined to the front and rear walls by first and second bottom seals respectively, the gusseted bottom and the front and rear walls being made of a flexible web material, and the oneway vacuum valve being attached to and penetrating the front wall; and a tote bag for receiving the resealable flexible bag after the resealable flexible bag has been filled with compressible articles and evacuated, the tote bag comprising a container having an opening and means for closing the opening, wherein the resealable flexible bag is freely removable from the to
  • a further aspect of the invention is a system comprising: a tote bag comprising a container having an opening and means for closing the opening, wherein the container comprises first and second rigid or semi-rigid side walls and a connecting wall made of flexible fabric material; and a resealable evacuable bag placed inside and freely removable from the tote bag via the opening, the resealable evacuable bag comprising: a receptacle having an interior volume and a mouth that allows communication between an exterior and the interior volume, the receptacle comprising flexible front and rear walls and a flexible gusseted bottom; a resealable closure installed in the mouth; a one-way valve mounted to a hole in the front wall; and a rigid or semi-rigid board loosely disposed inside and freely removable from the receptacle and in contact with the gusseted bottom.
  • FIG. 1 is a drawing showing an isometric view of a tote bag in accordance with one embodiment of the invention.
  • FIG. 2 is a drawing showing an isometric view of a gusseted resealable evacuable bag that fits inside the tote bag depicted in FIG. 1 in accordance with one embodiment of the invention.
  • FIG. 3 is a drawing showing an isometric view of a folding board that fits inside the gusseted resealable evacuable bag depicted in FIG. 2.
  • FIG. 4 is a drawing showing a resealable evacuated bag filled with compressed articles and placed inside an open tote bag in accordance with one embodiment of the invention.
  • FIG. 5 is a drawing showing the packed tote bag of FIG. 4 when closed.
  • the present invention is a storage and/or transport system comprising an outer tote bag and an inner resealable evacuable bag that, when filed with compressed items, fits inside the outer tote bag and can be carried therein.
  • the inner bag is removable from the tote bag, allowing for bag replacement while retaining the same tote.
  • the inner bag is gusseted, has a mouth closed by an airtight plastic extruded zipper having interlocking profiles and has an interior volume that can be evacuated via a one-way vacuum valve when filled with compressible items, such as articles of clothing.
  • a support board made of rigid or semi-rigid material is placed inside the inner bag atop the gusseted bottom. The support board is sized and shaped to fit inside the tote bag.
  • the tote bag is made of flexible fabric and has a zippered entry from the top side of the bag.
  • the zipper is of the type typically used on luggage and clothing.
  • Such a zipper typically consists of two rows of tiny interlocking tabs which are brought into engagement or separated by a sliding part.
  • two opposing vertical side walls of the tote bag have rigid or semi-rigid boards inserted within or permanently attached to the fabric of those side walls to help support the tote bag during loading and storage.
  • a pair of security belts are provided inside the tote bag (sewn to the fabric) with buckles to secure the gusseted bag with compressed contents after the latter has been filled with compressible items and evacuated.
  • the tote bag may be provided with a clear window for visibility of the stored contents.
  • the inner resealable evacuable bag has a gusseted bottom that greatly increases the storage capacity of the bag.
  • a rigid or semi-rigid support board (which is not attached to the bag) is placed inside the bag and on the gusseted bottom to flatten the gusset and provide additional support to the packed contents of the inner bag.
  • the inner resealable evacuable bag may be constructed of a blended extrusion layer of polyethylene sandwiched between a nylon layer and a layer of polyethylene sheeting. Other suitable gas-impermeable web material may be used.
  • FIG. 1 shows an outer tote bag 10 in accordance with one embodiment of the invention.
  • the outer tote bag 10 has a bottom wall 6, a rear wall 8, a front wall 12, side walls 22 and 24 and a top flap 14.
  • the outer tote bag is represented by straight lines, it should be understood that only the side walls 22 and 24 are rigid or semi-rigid, while the other walls 6, 8, 12 and 14 are made of flexible fabric.
  • the preferred fabric is nonwoven polypropylene, but other fabrics can be used.
  • Each of the side walls 22 and 24 comprises a kraft backer (e.g., 2 mm thick) that is completely covered by fabric.
  • a pair of handles 16 and 18 are respectively attached to side walls 24 and 22 for lifting the tote bag.
  • the walls 8, 12, 22 and 24 form an opening as seen in FIG. 1.
  • a slider 20 can be operated to close a zipper, thereby closing the tote bag.
  • the zipper comprises a first zipper strip 19 that extends along the tops of walls 22, 12 and 24 and a second zipper strip 21 that extends along three sides of the rectangular flap 14.
  • the zipper may be of the type which is typically used on luggage or clothing.
  • a pair of security belts 27 are provided inside the tote bag (sewn to the fabric) with respective buckles to secure a packed bag (not shown) when the latter is placed inside the tote bag.
  • Each buckle comprises a buckle insert 26 and a buckle slot 28 for receiving and interlocking with a buckle insert inserted therein.
  • a resealable evacuable bag having a gusseted bottom is packed with compressible items, evacuated and then placed inside the tote bag.
  • the gusseted bottom greatly increases the storage capacity of this inner bag.
  • the inner bag comprises a receptacle made of flexible web material, such as thermoplastic film. It can be constructed from three rectangular pieces of web material having equal widths in a well-known manner. The first two rectangular pieces have the same dimensions and form the front and rear walls of the receptacle. The third rectangular piece is folded, inverted and placed between the lowermost portions of the overlapping front and rear walls to serve as a gusseted bottom.
  • the receptacle is then formed by heat sealing the marginal portions of the three rectangular pieces of web material as follows: (1) a marginal portion at the bottom of the front wall is heat sealed to a marginal portion at the bottom of one half of the folded piece that serves as the gusseted bottom; (2) a marginal portion at the bottom of the rear wall is heat sealed to a marginal portion at the bottom of the other half of the folded piece that serves as the gusseted bottom; (3) a marginal portion at one side of the rear wall is heat sealed to a marginal portion at one side of the front wall in a region above the gusseted bottom during formation of a first side seal; (4) during formation of the first side seal, marginal portions on one side of the gusseted bottom are heat sealed to each other and to corresponding marginal portions on the one side of the front and rear walls respectively; (5) a marginal portion at the other side of the rear wall is heat sealed to a marginal portion at the other side of the front wall in a region above the gusseted bottom during formation of
  • the result when the receptacle is placed flat on a table, is a rectangular bag having two side seals and a bottom gusset, the ends of the gusset being captured in the side seals and the panels of the gusset being joined to the bottom marginal portions of the front and rear walls by a pair of longitudinal seals.
  • FIG. 2 shows the bag 30 with gusseted bottom after it has been expanded to increase its storage capacity by expanding the gusset and then placing a rigid or semi-rigid support board 40 (which is not attached to the inner bag) inside the inner bag 30 atop the gusseted bottom to flatten a major portion of the gusset.
  • the support board 40 is rectangular.
  • the support board 40 has a folding line 42, indicated by a dashed line in FIG. 2. The folding of the support board is shown in FIG. 3.
  • the board 40 preferably comprises a kraft backer covered by fabric, e.g., nonwoven polypropylene.
  • FIG. 2 depicts the inner bag in a state wherein the zipper 60 is being held up. In the absence of any force holding up the zipper, the bag would collapse because, in this example, the front and rear walls are made of thin flexible thermoplastic web material.
  • the zipper 60 consists of a first zipper strip heat sealed to a top marginal portion of front wall
  • the zipper strips may be provided with flanges that allow a user to pull open the zipper.
  • a slider 62 can be moved in either direction along the length of the zipper 60 to close the zipper.
  • the front (32) and rear (34) walls of the bag may fold along lines 48, 50, 52 and 54 when the zipper 60 is lifted to the position shown in FIG. 2. More specifically, as shown in FIG. 2, the front wall 32 (including front panel 32a and side panels 32b and 32c) folds along lines 48 and 52 which extend from the ends of the zipper 60 to two corners of the support board 40, whereas the rear wall 34 (including rear panel 34a and side panels 34b and 34c) folds along lines 50 and 54 which extend from the ends of the zipper 60 to the other two corners of the support board 40.
  • the portions of the gusseted bottom that are not contacted by the support board 40 form respective triangular pockets 56 and 58 when the major portion of the gusset is expanded and flattened.
  • the side seals of the inner bag are indicated by reference numerals 44 and 46 in FIG. 2.
  • the portion of side seal 44 that extends from the peak of triangular pocket 56 to one end of the zipper 60 joins marginal portions of the front and rear walls to each; the portion of side seal 46 that extends from the peak of triangular pocket 58 to the other end of the zipper 60 also joins marginal portions of the front and rear walls to each.
  • the portion of side seal 44 that includes marginal portions of the gusseted bottom is indicated by numeral 44a
  • the portion of side seal 46 that includes marginal portions of the gusseted bottom is indicated by numeral 46a.
  • the sum of the length and width of the rectangular support board 40 is slightly less than the length of either bottom seal.
  • item 66 indicates the bottom seal along which a bottom marginal portion of the front wall 32 (extending from side seal 44a to side seal 46a) is heat sealed to a marginal portion of the bottom gusset.
  • the bottom seal 66 is bent in two places to follow the shape of the rectangular support board 40.
  • the other bottom seal along which a bottom marginal portion of the rear wall 34 (again extending from side seal 44a to side seal 46a) is heat sealed to another marginal portion of the bottom gusset also follows the shape of the support board.
  • FIG. 2 shows the bottom gusset with a major portion lying directly below the support board 40. It should be understood that at the sides of the bag 30, the bottom gusset bends around the edges of the support board and extends upward to form one side of each of the triangular pockets 56 and 58. The dashed lines disposed at acute angles relative to the base of each triangle indicate where the bottom gusset is again folded. Thus, it should be appreciated that in the areas of the triangular pockets 56 and 58, there are three layers of web material: one layer being either the front or rear wall and the other two layers being a folded portion of the bottom gusset.
  • the collapsible, evacuable storage bag 30 depicted in FIG. 2 further comprises a one-way valve assembly 64 installed in an opening formed in the front wall 32.
  • the conventional valve assembly 64 may also comprise a cap that can be snapped onto a portion of the valve assembly that is disposed on the exterior of the bag. The cap must be removed before the bag can be evacuated, and then is replaced after the bag has been evacuated. The cap is intended to supplement the air pressure on the diaphragm and help to seal the valve assembly to prevent air from entering the evacuated bag.
  • one or more discrete compressible articles (not shown in FIG.
  • the zipper closure profiles may have many different designs, the design must be one that ensures that an airtight seal can be formed at the mouth of the bag.
  • the interior volume of the bag 30 is hermetically sealed.
  • the interior volume can now be evacuated by sucking air out of the bag via the one-way valve assembly 64.
  • Air can be drawn out of the receptacle through valve assembly 64 using a conventional vacuum source, such as a household or industrial vacuum cleaner.
  • the valve assembly 64 and the zipper 60 maintain the vacuum inside the receptacle of bag 30 after the vacuum source has been removed.
  • the zipper 60 may be of the type disclosed in U.S. Patent Application Serial No. 12/229,381, filed on August 22, 2008, and entitled “Resealable and Evacuable Hanging Bag with Removable Hanging Device.”
  • the zipper 60 is closed by means of a plastic inverted U-shaped slider or clip 62 mounted thereto.
  • the slider may be of the type disclosed in U.S. Patent Application Serial No. 10/940,213, filed on September 13, 2004 and entitled "Improved Slider for Use with Evacuable Storage Bags.”
  • the slider 62 is capable of closing an open zipper, i.e., by camming the opposing zipper strips into engagement during slider travel in either direction, but cannot be used to open a closed zipper.
  • the slider 62 does not have means for opening the zipper because typically such means (e.g., a separating plow or finger) would leave a gap in the zipper, thereby preventing formation of a hermetic seal.
  • the reclosable bag must be hermetically sealed in order to maintain a vacuum inside after the compressible articles have been compressed by evacuating air out of the bag.
  • Alternative reclosable means such as opposing strips of cohesive material or a strip of low-tack pressure-sensitive adhesive material, may be used.
  • the inner bag depicted in FIG. 2 is designed to fit inside the tote bag depicted in FIG. 1.
  • the board 40 seen in FIG. 2 may be a rectangular board having a length and a width on slightly less than the length and width respectively of the bottom wall 6 of the tote bag shown in FIG. 1 , so that the inner bag can be placed inside the tote bag with the support board lying flat on the bottom wall of the tote bag.
  • the support board 40 inside bag 30 (see FIG. 2) and the side walls 22 and 24 of the tote bag 10 (see FIG. 1) are rigid or semi-rigid, thereby providing support and shape to a fully packed tote bag.
  • the invention disclosed herein is particularly useful for travelers.
  • the number of articles of clothing that can be packed inside the tote bag is increased due to compression of the clothing.
  • the packing procedure is as follows. A user first opens the bag 30 by pulling apart the upper flanges (not shown) of the respective zipper strips of zipper 60. Then the user expands the bottom gusset and places the support board 40 inside the bag 30, as seen in FIG. 2, atop the flattened gusset. A plurality of compressible articles can then be placed inside the bag, stacked on top of the support board. Then the slider 62 can be used to close the zipper 60. Air is then evacuated out through the one-way valve using a vacuum cleaner or similar device in conventional manner, thereby compressing the compressible contents of the bag.
  • the inner bag 30 with compressed contents can then be placed inside the tote bag 10, as seen in FIG. 4, with the support board 40 (inside the inner bag) lying atop the bottom wall of the tote bag.
  • the packed inner bag 30 is secured using security belts 27.
  • the flap 14 is placed over the opening of the tote bag 10 and the zipper 25 is closed as shown in FIG. 5.
  • the fully packed bag can then be lifted using the handles 16 and 18.

Abstract

L'invention concerne un système comprenant : un fourre-tout (10) comprenant un contenant ayant une ouverture et des moyens (14) pour fermer l'ouverture, le contenant comprenant des première et seconde parois latérales rigides ou semi-rigides (22, 24) et une paroi de liaison (6, 8, 12) constituée d'un matériau de tissu souple ; et un sac vidable et refermable (30) placé à l'intérieur du fourre-tout et pouvant être retiré librement de celui-ci via l'ouverture. Le sac amovible et retirable comprend : un réceptacle ayant un volume intérieur et une embouchure qui permet la communication entre l'extérieur et le volume intérieur, le réceptacle comprenant des parois avant et arrière souples (32, 34) et un fond à gousset souple (56, 58) ; une fermeture refermable (60) installée dans l'embouchure ; une valve unidirectionnelle (64) montée dans un trou de la paroi avant ; et un carton rigide ou semi-rigide (40) disposé de manière lâche à l'intérieur du réceptacle et pouvant être retiré librement de celui-ci et en contact avec le fond à gousset.
PCT/US2008/011046 2007-09-24 2008-09-24 Fourre-tout ayant un sac intérieur souple vidable et refermable WO2009042133A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99521507P 2007-09-24 2007-09-24
US60/995,215 2007-09-24

Publications (1)

Publication Number Publication Date
WO2009042133A1 true WO2009042133A1 (fr) 2009-04-02

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PCT/US2008/011046 WO2009042133A1 (fr) 2007-09-24 2008-09-24 Fourre-tout ayant un sac intérieur souple vidable et refermable

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US (1) US20090080809A1 (fr)
WO (1) WO2009042133A1 (fr)

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