EP0404448B1 - Poche souple et extenseur - Google Patents

Poche souple et extenseur Download PDF

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Publication number
EP0404448B1
EP0404448B1 EP19900306524 EP90306524A EP0404448B1 EP 0404448 B1 EP0404448 B1 EP 0404448B1 EP 19900306524 EP19900306524 EP 19900306524 EP 90306524 A EP90306524 A EP 90306524A EP 0404448 B1 EP0404448 B1 EP 0404448B1
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EP
European Patent Office
Prior art keywords
bag
sections
expanding device
rigid insert
combination
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP19900306524
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German (de)
English (en)
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EP0404448A2 (fr
EP0404448A3 (fr
Inventor
Deborah Lynn Diamond
Sidney Diamond
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Individual
Original Assignee
Individual
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
Priority claimed from US07/367,759 external-priority patent/US4946292A/en
Priority claimed from US07/383,863 external-priority patent/US4969751A/en
Priority claimed from US07/523,734 external-priority patent/US4993846A/en
Application filed by Individual filed Critical Individual
Publication of EP0404448A2 publication Critical patent/EP0404448A2/fr
Publication of EP0404448A3 publication Critical patent/EP0404448A3/fr
Application granted granted Critical
Publication of EP0404448B1 publication Critical patent/EP0404448B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/004—Expanding devices for display purposes, e.g. filler for soft luggage

Definitions

  • This invention relates to an apparatus which is inserted in a soft bag, back-pack, or the like to either automatically or manually expand the bag to give an impression that the bag is filled for point of sale display.
  • soft bags are used to describe all suitable devices, such as suitcases, tote bags, sports bags, back-packs, barrel bags and the like, of all sizes and types. These soft bags are presently manufactured throughout the world and transported from the manufacturer to the destination of sale in a flatly packed or nested state so as to take up minimal shipping space because the costs involved in shipping stuffed bags are prohibitive. Freight charges from the point of manufacture to the destination of the bags are usually based on the amount of space that the bags occupy. For example, twelve back-packs nested and shipped flat occupy the same amount of space (approximately 0.044m3 (1ft3)) that is occupied by one stuffed back-pack.
  • a retailer often arranges for the bags to be stuffed and repacked at an ancillary stuffing facility located near the final destination or in some instances at the point of sale.
  • the bags are removed from their original shipping cartons at the stuffing facility where the stuffing is done manually with such materials as crumpled paper, stiff cardboard pieces or inflated vinyl shapes.
  • the original shipping cartons are then disposed of and replaced by larger cartons that will hold the fully stuffed bags.
  • Such ancillary stuffing takes time, space, and additional personnel, which increases costs, causes inconvenience and sometimes delays delivery of the product to the point of sale. Additionally, the original shipping cartons are not reusable or recyclable and, therefore, must be discarded often requiring cartage companies, which charge a fee for waste removal and disposal at dump sites. Moreover, additional costs for the new larger cartons and additional freight charges are incurred for shipping the new cartons containing the stuffed bags to the retailer after the stuffing process is completed. In addition, such ancillary stuffing may cause storage problems for the retailer since the stuffed bags take up much more space than unstuffed bags. Accordingly, the retailer may be inclined to order limited quantities of soft bags because of storage restrictions for fully expanded bags. Thus, there is a risk of a rapidly depleting inventory so that the retailer may be unable to reorder in time to fill the demand.
  • the coil spring of United States Patents 4,077,451 and 4,141,399 presents safety concerns, particularly with respect to soft bags that are sold for use by children.
  • use of the coil spring incurs the significant expense not only of the spring itself but of sufficiently heavyweight cards on either side of the spring to preclude the spring pushing through the sides of the soft bag.
  • the expandable cardboard insert of United States Patent 4,142,564 requires the user to pull a string in order to effect expansion and is restricted to such manual operation.
  • the insert is a relatively complex and expensive structure.
  • the invention provides a bag expanding device in combination with a soft bag having a pair of opposed portions partially forming the bag; means connecting between the portions and together with the portions defining a compartment expandable to a predetermined shape; one or more of the means and the portions being soft and flexible so that the compartment may be readily collapsed into a substantially flattened state or expanded into a substantially stuffed state in which the portions are spaced apart from each other to substantially the full extent permitted by the predetermined shape of the expanded compartment; the expanding device including a generally planar, rigid insert; the generally planar, rigid insert being inserted inside the compartment adjacent to one of the portions; characterised in that the expanding device also includes an expandable piece having a pair of sections foldably attached to each other with each of the sections having a free end spaced from and opposite the free end of the other section; the sections of the expandable piece being foldable between a first substantially flat coplanar position and a second position in which the sections are substantially parallel to each other; and in that the expanding device further includes a resilient member attached directly to the
  • the invention provides a bag expanding device in combination with a soft bag having a pair of opposed portions partially forming the bag; means connected between the portions and together with the portions defining a compartment expandable to a predetermined shape; one or more of the means and the portions being soft and flexible so that the compartment may be readily collapsed into a substantially flattened state or expanded into a substantially stuffed state in which the portions are spaced apart from each other to substantially the full extent permitted by the predetermined shape of the expanded compartment; the expanding device including a cord having opposed ends with one end of the cord being attached to the expanding device, characterised in that the expanding device further includes an elongate member foldable along at least two lines transverse to the elongate direction of the member to form a first section, a second section and a third section in tandem; the first and second sections being capable of overlapping at least a part of the third section; the first and second sections further being capable of folding between a first substantially flat coplanar position and a second position in which the first and second sections are substantially parallel to each
  • the invention provides an expanding device in combination with and for insertion within a soft bag of the type having a collapsed condition and an expanded condition and having a first side and a generally opposite second side at least partially forming the soft bag; a first rigid insert for bearing against the first side of said bag; a second rigid insert for bearing against the second side of said bag; and a rigid expander positioned between said inserts, characterised in that each of the inserts has a slot; the expander has a pair of oppositely disposed tabs; and an elastic means is attached to the expander for moving said inserts from a relatively flat position in which said expander and said inserts are positioned in a generally parallel relationship, to a bag-expanding position in which said expander is at an angle with respect to said first and second inserts to separate the first and the second inserts in order to expand said soft bag; one of the tabs being held in engagement with one of the slots by the elastic means when the expander and the inserts are positioned in the generally parallel relationship; and upon the elastic means
  • the invention provides a bag expanding device in combination with a soft bag having a pair of opposed portions partially forming the bag; means connected between the portions and together with the portions defining a compartment expandable to a predetermined shape; one or more of the means and the portions being soft and flexible so that the compartment may be readily collapsed into a substantially flattened state or expanded into a substantially stuffed state in which the portions are spaced apart from each other to substantially the full extent permitted by the predetermined shape of the expanded compartment; the expanding device including a first generally planar, rigid insert and a second generally planar, rigid insert; the expanding device additionally including a generally planar rigid expanding piece positioned between the inserts in an initial, substantially parallel relationship; characterised in that the expanding device further includes a resilient member attached between the expanding piece and one of the inserts; the resilient member being in tension when the expanding piece and the inserts are in the substantially parallel relationship; the expanding piece being inserted within the compartment with the first insert adjacent to the one portion and the second insert adjacent to the other portion in the initial, substantially parallel relationship and
  • the invention provides a bag expanding device in combination with a soft bag having a pair of opposed portions partially forming the bag; means interconnecting the portions and, together with the portions, defining a compartment expandable to a predetermined shape; one or more of the means and the portions being soft and flexible so that the compartment may be readily collapsed into a substantially flattened state or expanded into a substantially stuffed state in which the portions are spaced apart from each other to substantially the full extent permitted by the predetermined shape of the expanded compartment; characterised in that the expanding device includes an expandable piece having at least four sections; each of the sections of the expandable piece being foldably attached to each of two adjacent ones of the sections for articulation relative to each other; two or more adjacent ones of the sections forming a first set of sections; two or more adjacent ones of the sections, not forming the first set of sections, forming a second set of sections; the expandable piece being articulatable between an initial collapsed position in which the two or more adjacent ones of the sections forming the first set of sections are in
  • expander apparatus 10 comprises a generally flat member 12 and an attached resilient member 18.
  • the flat member can be constructed of cardboard, corrugated board or of other suitable material by die cutting or other suitable manufacturing process.
  • a foldline 22 is provided which divides member 12 into two preferably equal sections 14, 16 and permits member 12 to be folded along the line 22, which acts like a hinge, as shown for example in FIG. 5.
  • the resilient member which can be a rubber band or other elastic means, is attached to the first member by insertion into slots 24, 24 and 25, 25 and loops around tabs 26, 28 (FIGS. 1 and 2). When the member 12 is flat, the resilient member 18 is stretched and under tension. The memory of the member 18 causes it to urge the two sections 14, 16 of first member 12 towards one another.
  • Inserts 23 may be shaped and dimensioned to the bag in which they are to be used. This will normally give the best appearance to the bag when it is expanded.
  • the inserts may also be provided in predetermined stock sizes as a matter of convenience and economy. The inserts can be eliminated in certain applications, such as small bags, or where the irregularities in the shape of the bags caused by the absence of the inserts is of no concern to the retailer.
  • soft bag 20 may be placed flat in a shipping container with other bags for shipment to retailers.
  • the container normally will be completely filled with bags to maximize shipping space so if the bags contain the apparatus of this invention, the apparatus will be in a compressed state, as depicted in FIG. 4.
  • the external compressive force will be relieved and sections 14,16 of apparatus 10 will move towards one another, pushing the walls of the bag outwardly, as shown in FIG. 5, giving the bag a filled appearance.
  • the bag may be opened slightly to allow air to enter into the bag.
  • FIGS. 6-9 show a second embodiment or expander 11, including a generally flat member 30 comprising three sections 32, 34 and 36 and a resilient member 38. Sections 32, 34 and 36 are formed by folding member 30 along foldlines 42, 44. Slots 46, 48 are provided in member 30 for receiving and retaining member 38, as shown in FIGS. 6 and 7.
  • member 30 is folded about foldline 42, as shown in FIG. 8. In this position resilient member 38 is stretched. So long as external compressive pressure is applied to embodiment 11, it will be retained in the manner shown in FIG. 8. When the compressive pressure is released, sections 34 and 36 will be folded about hinge or foldline 44 and pulled together by resilient member 38 to form a gable, as shown in FIG. 9.
  • Member 30 includes a slot 50 located on section 32. Slot or keeper 50 receives tab 52 located on section 36 and secures sections 34, 36 in the gabled position shown in FIG. 9. This acts as a locking means and affords greater stability to the structure. The locking means prevents retrograde movement upon application of compressive forces. Should it be desired to collapse the structure, tab 52 can be lifted from 50 and compressive forces applied to flatten the sections.
  • cardboard, corrugated board, or other suitable material may be used for member 30, and rubber bands or other suitable elastic means, for member 38.
  • FIG. 10 shows a back-pack 40 with two separate compartments 54, 56.
  • FIG. 11 shows embodiments 10 and 11 as they would appear in a flattened configuration in compartments 56 and 54, respectively.
  • a single cardboard insert 58 is added to compartment 54, and a single insert 60 is added to compartment 56 of bag 40. As in the other embodiments, these inserts assist in uniform expansion of bag 40. Because of the three-section configuration of embodiment 11, only one additional insert is necessary. Also, as can be seen in FIG. 11, only one insert is necessary for compartment 56 because section 32 of embodiment 11 accomplishes the function of an insert for that compartment, as well as compartment 54.
  • FIGS. 13-16 show a third embodiment 13 of the invention.
  • Apparatus 13 has a generally flat member 62 comprising four sections 64, 66, 68 and 70 and an actuator member 72, which can be a string, tape, or other suitable device.
  • Actuator member 72 need not be elastic, but should be long enough, so that when apparatus 13 is inserted into a bag, member 72 will extend out from the mouth of the bag.
  • the four sections 64, 66, 68, 70 are formed by foldlines 74, 76 and 78, and are adapted to fold over onto section 64 (see, e.g., FIGS. 15 and 16).
  • Section 66 is secured to section 64 at point 88 by an adhesive, adhesive tape, or other suitable fastenings means (FIG. 15).
  • Section 64 includes a plurality of slots 90, 92, 94, which are adapted to receive tab 82 of section 70.
  • Tab 82 includes slots 84 which retain member 72 at one end.
  • member 72 is threaded through opening 86 in section 68 and terminates in a pull 89.
  • member 72 is manually pulled to cause sections 68, 70 to move towards one another, while sections 64 and 66 remain in a flat position.
  • sections 68, 70 the sides of the bag into which apparatus 13 is inserted are pushed outwardly to expand the bag in which the apparatus is inserted.
  • the arrows in FIG. 16 show the inward and upward movement of sections 68, 70 of apparatus 13 as member 72 is pulled in the direction of the arrow.
  • tab 82 of section 70 engages the first of the plurality of slots 90, 92, 94 of section 64.
  • the height of the gable may be varied, making the apparatus adjustable for bags having different sized gussets.
  • tab 82 can be inserted into the slot 94; if lesser expansion is needed, slot 90 may be employed.
  • the locking means prevents retrograde movement upon application of compressive forces, and the structure can be collapsed by lifting tab 82 out of any one of the slots and flattening the structure with compressive forces.
  • Member 62 of apparatus 13 may be formed from a single pieces of material or from two pieces of material. Thus, instead of having foldline 74, apparatus 13 could be formed by securing two separate pieces together by adhesive 88 or another fastening means to form a hinge.
  • actuating member 72 is designed to extend through the mouth and outside of the bag containing apparatus 13. In this application, the bag need only be opened enough to allow member 72 to protrude from the bag. While a pull or handle 89 is provided to facilitate manual manipulation, it is not essential.
  • sections 68 and 70 are connected together with a resilient member, which is attached adjacent the ends of the sections and urges the sections toward one another in a manner similar to the first embodiment described earlier. Instructions for operating the apparatus 13 or other information may be imprinted on the pull 89.
  • FIGS. 17-20 show a fourth embodiment 15 of the invention.
  • Apparatus 15 is similar to apparatus 13, but does not have sections that are secured to each other by adhesive means.
  • Apparatus 15 has a flat elongated member 91 comprising three sections 112, 114, 116 arranged in tandem and an actuator member 98.
  • member 91 may be constructed of corrugated board, cardboard or other suitable material.
  • Member 98 may be a string, tape, plastic wire, or the like, and can be designed to extend outside of the soft bag containing apparatus 15.
  • Sections 112, 114, 116 are formed by foldlines 99, 100 located on member 91. Sections 114 and 116 are adapted to fold about foldline 99 and over onto section 112, as shown in FIGS. 18 and 19.
  • Actuator member 98 which can be designed to extend outside of the bag containing apparatus 15 in the same manner as is described for apparatus 13, is secured to section 116 in slot 102 and extends through an opening 104 in section 114.
  • a tab 106 is provided in section 116 for engaging slot 108 of section 112.
  • sections 114 and 116 are connected together with a resilient member, which is attached adjacent the ends of the sections and urges the sections toward one another in a manner similar to the first embodiment described earlier.
  • FIGS. 18 and 19 show apparatus 15 as it appears generally flat for insertion into a bag.
  • pulling actuator member 98 in the direction of the arrow causes section 116 to move over section 112 and towards section 114.
  • Tab 106 of section 116 engages opening 108 of section 112 and is securely retained, affording stability to apparatus 15.
  • This structure may be collapsed by lifting tab 106 out of the opening 108 and applying a compressive force to the gable. If desired, several openings similar to opening 108 may be added to provide adjustability of the device.
  • FIGS. 21-24 A further embodiment 136 is shown in FIGS. 21-24, it includes three completely separate pieceparts 130, 132 and 134.
  • Embodiment 136 of FIGS. 21-24 employs a resilient member 146 and functions automatically.
  • Outer panels 130, 132 contain keepers or slots 138, 140, respectively.
  • the central or actuator panel 134 has a pair of oppositely disposed tabs 142, 144.
  • resilient member 146 is secured to panels 132 and 134.
  • Tab 144 normally fits the keeper or slot 140 and is held there under the pull of the resilient member 146 while embodiments 136 is in its collapsed state (FIG. 22).
  • the tab 142 may be disengaged from slot 138 and the parts 130, 132 and 134 collapsed to their flattened state.
  • Panels 130, 132 are shaped to fit into a soft bag having the contours of a satchel, such as an athletic bag, for example.
  • a satchel such as an athletic bag
  • the term "outer panel” or the like should be construed as having any suitable shape.
  • a clam shell shape and other unique shapes which may be accommodated in a similar manner.
  • soft bags come in different sizes, shapes and materials thicknesses, embodiments of the invention can be varied to accommodate these differences.
  • the various flat members or panels may be constructed in different lengths, widths, shapes, strengths including elliptical, rectangular, or irregular shaped.
  • the invention since the invention is, for the most part made from flat paperboard stock or similar material, it may carry printed information 122, such as advertising, bag care instructions, or decorative indicia. In this way, the bag expanding means of this invention can be used to deliver messages to the ultimate purchasers of the bags.
  • FIGS. 29-44 show further embodiments of the present invention in which the expandable piece of the expanding device has at least four sections with each section foldably attached to each of two adjacent sections such that the expandable piece can be articulated from an initial position in which two adjacent sections forming a first set of sections are in a substantially flat coplanar position and overlap the other two sections forming a second set of sections which are also in a substantially flat coplanar position through a series of intermediate diamond or rhomboid positions to a fully expanded position in which the sections of the first set are in a substantially parallel relation to each other and the sections of the second set are in a substantially parallel relation to each other.
  • this expandable device permits, for any given angular relation between two sections forming a set of sections, expansion to an extent, in a direction substantially transverse to the substantially flat planes in which the sections forming each set are in when the expandable piece is in the initial position, that is generally twice as great as the extent of expansion obtainable from an expandable piece of the embodiments shown in FIGS. 1-20 for the same length of the expandable piece when it is in the initial position.
  • FIG. 29 a bag expanding device 200 is shown in combination with a soft bag 202 such as that illustrated in FIG. 3.
  • Soft bag 202 has a pair of opposed side portions 203 and 204 with end panels 205 and 206 connecting side portions 203 and 204, and together with the side portions defining a compartment 208 that is expandable to the predetermined shape illustrated in FIG. 31.
  • Side portions 203 and 204, as well as end panels 205 and 206, are made of a soft flexible or supple material such as nylon, vinyl, denim or the like so that bag 202, together with inserted expanding device 200, may be readily collapsed into a substantially flattened state somewhat like that illustrated in FIG. 29 or expanded into a substantially stuffed state as illustrated in FIG. 31.
  • side portions 203 and 204 are spaced apart from each other to substantially the full extent permitted by end panels 205 and 206 so that the defined predetermined shape of expanded compartment 208 restrains expanding device 200.
  • Expandable piece 210 is formed of a single piece of material into four sequentially arranged sections 211, 212, 213 and 214 plus an end flap 215. Adjacent sections 211 and 212 are separated by a foldline 218, adjacent sections 212 and 213 are separated by a foldline 219, adjacent sections 213 and 214 are separated by a foldline 220 while section 214 and adjacent flap 215 are separated by a foldline 221. As is best illustrated in FIGS. 29 and 31, the outer surface of flap 215 overlaps part of the inside surface of section 211.
  • Flap 215 and the portion of section 211 that overlaps are secured together by a suitable adhesive to form a continuous multi-section structure. With flap 215 adhesively secured to section 211, sections 211 and 214 effectively become adjacent sections that are articulatable about foldline 221.
  • Expandable piece 210 may be constructed of corrugated board, cardboard, plastic or any other suitable material. Of course, if a plastic is used it would have to be one having properties similar to polypropelene which permits the use of a living hinge for the foldlines.
  • expandable piece 210 is articulatable from an initial collapsed position in which adjacent sections 212 and 213, which form a first set of sections, are in a substantially flat coplanar position and overlap adjacent sections 211 and 214 which form a second set of sections and are also in a substantially flat coplanar position to a fully expanded position in which adjacent sections 212 and 213 of the first set are in a substantially parallel relation to each other and adjacent sections 211 and 214 of the second set are also in a substantially parallel relation to each other.
  • expandable piece 210 Between the initial collapsed position in which its elongated direction is a generally horizontal one as viewed in FIG. 29 to a generally vertical one in the fully expanded position. During the course of such articulation from the substantially flat horizontal position to the substantially vertical position, expandable piece 210 can assume an almost infinite number of intermediate positions in which it is in the shape of a diamond or rhomboid such as the one illustrated in FIG. 31.
  • Each of sections 212 and 213 have a respective cut-out 222 and 223 leaving a respective ear 224 and 225.
  • Attached about each of ears 224 and 225 is a resilient member 230 in the form of an elastic loop which is under tension when expandable piece 210 is in the position illustrated in FIG. 29. Accordingly, in the absence of a compressive force on expandable piece 210 that overcomes the force of resilient member 230, the resilient member urges the expandable piece out of the initial collapsed position that is approximately illustrated in FIG.
  • the generally rigid inserts may, like expandable piece 210, be constructed of corrugated board, cardboard, plastic or any other suitable material.
  • One of each of the generally rigid inserts is inserted inside compartment 208 adjacent to a respective one of the side portions and spaced from the other generally rigid insert with the expandable piece between them.
  • generally rigid insert 233 is inserted adjacent to side portion 203 while generally rigid insert 234 is inserted adjacent to side portion 204 and expandable piece 210 is sandwiched between inserts 233 and 234.
  • the outline of each of the generally rigid inserts substantially conforms to the outline of the portion to which it is adjacent.
  • each of the generally rigid inserts would be generally planar and have a rectangular shape or outline conforming to the portion to which it is adjacent.
  • Sections 212 and 214 are each formed with a respective die-cut, punch-out tabs 242 and 244 (tabs 242 and 244 have been omitted from FIG. 29 for ease of illustration).
  • Tab 242 articulates about foldline 219 while tab 244 articulates about foldline 221.
  • the tabs provide greater frictional engagement between expandable piece 210 and generally rigid inserts 233 and 234 to help maintain expandable piece 210 in a particular relation to the outline of the generally rigid inserts.
  • expanding device 200 Prior to shipment by the manufacture to a customer, expanding device 200 is inserted into soft bag 202 in a collapsed, substantially flattened state similar to that illustrated in FIG. 29 although in actual use it would be even more collapsed and flattened, in FIG. 29 expanding device 200 has been illustrated in a slightly expanded state for ease of illustration.
  • a number of soft bags 202 with expanding inserts 200 are placed in a sealed container or master carton in the collapsed, substantially flattened state to maximize shipping space. The compressive forces resulting from such packing maintains the soft bags and expanding inserts in the collapsed, substantially flattened state.
  • resilient member 230 will urge sections 212 and 213 toward each other, and will simultaneously urge sections 211 and 214 toward each other, until restrained by the predetermined shape of the expanded compartment 208 defined by soft flexible material side portions 203 and 204 plus end panels 205 and 206.
  • FIGS. 32-35 show another embodiment of the present invention that has additional features not present in the embodiment shown in FIGS. 29-31.
  • a bag expanding device 250 is shown in combination with a soft bag 252 that has a pair of opposed side portions 253 and 254.
  • a pair of end panels 255 and 256 connect the side portions and, together with the side portions, define a compartment 258 that is expandable to the predetermined shape illustrated in FIG. 35.
  • a soft flexible material is used for side portions 253 and 254 as well as for end panels 255 and 256 so that bag 252, together with inserted expanding device 250, may be readily collapsed into a substantially flattened state approximately like that illustrated in FIG. 32 or expanded into a substantially stuffed state as illustrated in FIG. 35.
  • both expanding device 250 and soft bag 252 may be collapsed into a flatter state that is illustrated in FIG. 32 in which expanding device 250 is shown in a slightly expanded state for ease of illustration of its various components.
  • side portions 253 and 254 are spaced apart from each other to substantially the full extent permitted by end panels 255 and 256 so that the defined predetermined shape of expanded compartment 258 restrains expanding device 250.
  • Expandable piece 260 is formed of a single piece of material, such as corrugated board, cardboard, a plastic or any other suitable material, into four sequentially arranged sections 261, 262, 263 and 264 plus an end flap 265. Adjacent sections 261 and 262 are separated by a foldline 268, adjacent sections 262 and 263 are separated by a foldline 269, adjacent sections 263 and 264 are separated by a foldline 270 while section 264 and adjacent flap 265 are separated by a foldline 271.
  • expandable piece 250 forms a continuous multi-section structure that may be articulated from an initial collapsed position in which one set of adjacent sections are in a substantially flat coplanar position and overlap another set of adjacent sections that are also in a substantially flat coplanar position to a fully expanded position in which adjacent sections 262 and 263 of the first set are in a substantially parallel relation to each other and adjacent sections 261 and 264 of the second set are also in a substantially parallel relation to each other.
  • expandable piece 260 Between the initial collapsed position in which its elongated direction is a generally horizontal one as viewed in FIG. 32 to a generally vertical one in the fully expanded position. During the course of such articulation from the substantially flat horizontal position to the substantially vertical position, expandable piece 260 can assume an almost infinite number of intermediate positions in which it is in the shape of a diamond or rhomboid, such as the one illustrated in FIG. 35.
  • Each of sections 262 and 263 have a respective cut-out portion 272 and 273 leaving a respective ear 274 and 275.
  • Attached about each of ears 274 and 275 is a resilient member 280 in the form of an elastic loop which is under tension when expandable piece 260 is in the position illustrated in FIG. 32.
  • each of sections 261 and 264 have respective cut-outs and ears (not shown) about which a second resilient member 281 is attached.
  • the second resilient member 281 is also in the form of an elastic loop which is under tension when expandable piece 260 is in the initial collapsed position.
  • both resilient members 280 and 281 by exerting force on the respective sections to which they are attached, urge expandable piece 260 out of the initial collapsed position toward the fully expanded position until articulation of expandable piece 260 is restrained in an intermediate position by the predetermined shape of expanded compartment 258.
  • each of adjacent sections 262 and 263 are at an angle to each other and adjacent sections 261 and 264 are essentially at the same angle to each other. In this intermediate position both resilient members 280 and 281 are still in tension.
  • generally rigid inserts 283 and 284 are provided.
  • the generally rigid inserts may be constructed of the same material as expandable piece 260.
  • each of the generally rigid inserts has an outline that substantially conforms to the outline of the side portion that it will be adjacent to when it is inserted into compartment 258.
  • generally rigid insert 283 has a generally rectangular outline that would conform to a portion of a generally rectangular solid bag such as is illustrated in FIG. 3 or a back-pack such as is illustrated in FIG. 10.
  • Generally rigid insert 283 is inserted into compartment 258 of soft bag 252 adjacent to side portion 253 while generally rigid insert 284 is inserted adjacent to side portion 254 with the generally rigid inserts spaced from each other by expandable piece 260.
  • Insert 283 is provided with a generally centrally disposed slot 285 and generally rigid insert 284 is provided with a similar slot 286.
  • Each of sections 262 and 264 are formed with a respective die-cut, push-out tab 292 and 294.
  • each of the tabs has outwardly extending barbed sides 295.
  • tab 292 articulates about foldline 269
  • tab 294 articulates about foldline 271.
  • Each tab engages a respective slot of a generally rigid insert to maintain expandable piece 260 in a particular side-to-side and end-to-end relation between the expandable piece and the generally rigid insert.
  • Barbed ends 295 help keep the tab from pulling out of the slot once it is inserted into the slot.
  • the engagement of tabs 292 and 294 with their respective slots 285 and 286 facilitate putting the expandable piece together with the generally rigid inserts as a subassembly prior to insertion into the compartment of the soft bag.
  • soft bag 252 with expanding device 250 inserted into compartment 258 is maintained in the collapsed, substantially flattened state during shipment by the compressive forces resulting from packaging of a number similarly collapsed, substantially flattened soft bags with inserted expanding devices within a sealed master carton.
  • resilient members 280 and 281 will urge expandable piece 260 from its initial collapsed position.
  • Expandable piece 260 will in turn push the generally rigid inserts further apart against their respective side portions until the expansion of the expanding device is restrained by the predetermined shape of the expanded compartment with the expandable piece in an intermediate position in the shape of a diamond or a rhomboid.
  • FIGS. 36-44 illustrate further embodiments of the invention which are somewhat similar to those in FIGS. 29-35 but with some further changes and modifications for adaptation of the expanding device for use in combination with a generally cylindrical soft bag of the type sometimes referred to as a barrel bag.
  • An expanding device 300 is contained within a soft barrel bag 302 which is shown in its expanded, substantially stuffed state in FIG. 36 and in a collapsed, substantially flattened state in FIG. 37.
  • Barrel bag 302 has opposed side portions 303 and 304 which may be constructed of a single piece of soft flexible material to also form the bottom of the barrel bag.
  • a pair of end panels 305 and 306 connect side portions 303 and 304 which may be secured together along their respective top edges by a zipper 307.
  • End panels 305 and 306, together with side portions 303 and 304 define a compartment 308 that is expandable to a predetermined generally cylindrical shape as is best illustrated in FIGS. 36, 39 and 40.
  • a handle 309 is attached to each side portion.
  • the same soft flexible material may be used to construct end panels 305 and 306 as is used for the piece or pieces forming side portions 303 and 304.
  • end panels with soft bag 302 still being collapsible into a substantially flattened state when folded as illustrated in FIGS. 37 and 38.
  • side portions 303 and 304 are spaced apart from each other to the full extent permitted by end panels 305 and 306 so that the defined predetermined shape of expanded compartment 308 restrains expanding device 300.
  • expandable device 300 includes an expandable piece 310 which is shown in FIG. 41 in top plan view as an unfolded, unarticulated blank and in FIG. 42, again in top plan view, after it has been folded and articulated into the initial collapsed position.
  • Expandable piece 310 is formed of a single piece of corrugated board, cardboard, plastic or any other suitable material into four sequentially arranged sections 311, 312, 313, and 314 plus an end flap 315. Adjacent sections 311 and 312 are separated by a foldline 318, adjacent sections 312 and 313 are separated by a foldline 319, adjacent sections 313 and 314 are separated by a foldline 320 while sections 314 and adjacent flap 315 are separated by a foldline 321.
  • a pair of spaced apart slots 316 extend through end flap 315 along a line generally parallel to foldline 321. Extending outwardly from the free edge of section 311 that is parallel to foldline 318 are a pair of spaced apart tabs 317 that are aligned with slots 316. As is best shown in FIGS. 38 and 39, when expandable piece 310 is folded into a continuous multi-section structure, end flap 315 will overlap part of section 311 and each one of tabs 317 will fit into and through a respective slot 316 to secure expandable piece 310 in the continuous multi-section structure. Thus, the need for an adhesive as used in the embodiments of FIGS. 29-34 is obviated.
  • expandable piece 310 is articulatable from an initial collapsed position in which adjacent sections 312 and 313, which form a first set of sections, are in a substantially flat coplanar position and overlap adjacent sections 311 and 314 which form a second set of sections and are also in a substantially flat coplanar position to a fully expanded position in which adjacent sections 312 and 313 of the first set are in a substantially parallel relation to each other and adjacent sections 311 and 314 of the second set are also in a substantially relation to each other.
  • expandable piece 310 Between the initial collapsed position in which its elongated direction is generally parallel to or coincident with the axis of the predetermined cylindrical shape of expanded compartment 308, and is generally horizontal as viewed in FIG. 38, to a generally vertical one in the fully expanded position.
  • expandable piece 310 can assume an almost infinite number of intermediate positions in which it is in the shape of a diamond or rhomboid such as the one illustrated in FIG. 39.
  • sections 311 and 313 have a respective cut-out 322 and 323 leaving a respective ear 324 and 325.
  • section 312 has a die-cut, push-out tab 328 while section 311 has a similar die-cut, push-out tab 329.
  • Attached about each of ears 324 and 325 is a resilient member 330 in the form of an elastic loop which is under tension when expandable piece 310 is in the initial collapsed position. Accordingly, in the absence of a compressive force which overcomes the force of resilient member 330, the resilient member urges expandable piece 310 out of the initial collapsed position that is approximately illustrated in FIG.
  • each of adjacent sections 312 and 313 are at an angle to each other and adjacent sections 311 and 314 are at essentially the same angle to each other as is illustrated in FIG. 39.
  • each of generally rigid inserts 333 and 334 are formed with a central generally elongated rectangular segment 335. Along one elongated side edge of central segment 335 is a narrower segment 336 which in turn has another segment 337 adjacent its elongated outer edge.
  • central segment 335 is a narrower segment 338 having another segment 339 along its outer elongated edge.
  • Segment 335 is separated from segment 336 by a foldline 340 while segment 336 is separated from segment 337 by a foldline 341.
  • segment 335 is separated from segment 338 by a foldline 342 while segment 338 is separated from segment 339 by a foldline 343.
  • generally rigid insert 333 as well as generally rigid insert 334 which is similarly constructed, may be articulated from the generally planer position illustrated in FIG. 43 to an arcuate condition in which the insert substantially conforms to a side portion of the predetermined cylindrical shape of expanded compartment 308.
  • a slot 345 that extends through the generally rigid insert.
  • a similar slot is provided in generally rigid insert 334.
  • One of each of tabs 328 and 329 fits through the slot of a respective one of generally rigid inserts of 333 and 334 to maintain expandable piece 310 in a particular relation with each of the generally rigid inserts.
  • the use of the tab and slot engagement not only helps prevent shifting of the expandable piece with respect to the generally rigid inserts during expansion of the expanding device in combination with the soft bag but also facilitates insertion of the expanding device as a subassembly into the soft bag prior to shipment.
  • FIG. 44 shows another embodiment of an expanding device 350 particularly adapted for use with a generally cylindrical or barrel bag such as soft bag 302 shown in FIGS. 36-40.
  • Expanding device 350 includes an expandable piece 360 formed of a single piece of material into four sequentially arranged sections 361, 362, 363, and 364 plus an end flap 365.
  • Sections 361 and 362 cooperate to form a generally semi-circular bottom edge 366 when expandable piece 360 is in the intermediate position shown in FIG. 44.
  • Sections 363 and 364 also cooperate to form a similar semi-circular bottom edge (not shown).
  • Adjacent sections 361 and 362 are separated by a foldline 368, adjacent sections 362 and 363 are separated by a foldline 369, adjacent sections 363 and 364 are separated by a foldline 370 while section 364 and adjacent flap 365 are separated by a foldline 371.
  • End flap 365 overlaps and is secured to a portion of section 361 by a suitable adhesive resulting in sections 361 and 364 effectively becoming adjacent sections that are articulatable with respect to each other about foldline 371.
  • expandable piece 360 is articulatable from an initial collapsed position in which adjacent sections 362 and 363, which form a first set of sections, are in a substantially flat coplanar position and overlap adjacent sections 361 and 364 which form a second set of sections and are also in a substantially flat coplanar position to a fully expanded position in which adjacent sections 362 and 363 of the first set are in a substantially parallel relation to each other and adjacent sections 361 and 364 of the second set are also in a substantially parallel relation to each other.
  • sections 362 and 363 have a respective cut-out 372 and 373 leaving a respective ear 374 and 375.
  • Section 362 has a die-cut, push-out tab 378 that is articulatable about foldline 369 and section 364 has a die-cut, push-out tab 379 that is articulatable about foldline 371.
  • a resilient member 380 in the form of an elastic loop which is under tension when expandable piece 360 is in the initial collapsed position is attached about each of ears 374 and 375.
  • Generally rigid insert 382 is constructed from a single piece of corrugated board, cardboard, plastic, or other suitable articulatable material and has a pair of opposed generally elongated rectangular segments 383 and 384 connected to each other by a series of sequentially arranged intermediate segments. Extending toward segment 384 from segment 383 are a sequential series of four, somewhat narrower segments 386. The one segment 386 adjacent segment 383 is separated from segment 383 by a foldline 387 and each of segments 386 are also separated from each other by similar foldlines 387.
  • Segment 384 has a sequential series of four somewhat more narrow segments 388 extending from its inboard elongated edge toward segment 383.
  • the one segment 388 adjacent segment 384 is separated from segment 384 by a foldline 389 and each of segments 388 are also separated from each other by similar foldlines 389.
  • a central foldline 390 separates the adjacent ones of segments 386 and 388.
  • Segments 386 and 388 can be articulated into a generally semi-circular shape generally conforming to and abutting bottom edge 366 as well as the bottom edge formed by sections 363 and 364 of expandable piece 360.
  • generally rigid insert 382 is articulated about central foldline 390 such that segments 383 plus segments 386 lie substantially in one plane and overlap segments 384 plus segments 388 which lie in substantially another plane.
  • generally rigid insert 382 is articulatable, as a result of the expansion of expandable piece 360, into a generally semi-circular or U-shaped configuration which generally conforms to the desired rounded appearance of the predetermined cylindrical shape of the expanded compartment of the soft barrel bag.
  • Segment 383 has a slot 391 through which tab 379 is inserted and segment 384 has a similar slot (not shown) through which tab 378 is inserted to help maintain the relation between expandable piece 360 and generally rigid insert 382.
  • Expandable pieces 210, 260, 310 and 360 have all been shown and described as having four sides, however, it will be appreciated by those skilled in the art that more than four sides could be used such that the expandable piece would be in the shape of a pentagon, hexagon, octagon or the like in the intermediate position.

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  • Bag Frames (AREA)
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  • Packages (AREA)

Claims (48)

  1. Dispositif d'extension d'un sac (10, 11) en combinaison avec un sac souple (20) ayant une paire de portions opposées (21) formant partiellement le sac ;
       un moyen relié entre les portions et, avec ces portions, définissant un compartiment extensible jusqu'à une forme prédéterminée ;
       un ou plusieurs élément(s) parmi le moyen et les portions étant souple(s) et flexible(s), de sorte qu'on peut aisément faire affaisser le compartiment jusqu'à un état substantiellement aplati ou l'étendre jusqu'à un état substantiellement déployé dans lequel les portions sont espacées l'une de l'autre substantiellement jusqu'au degré complet permis par la forme prédéterminée du compartiment étendu ;
       le dispositif d'extension incluant un insert rigide, généralement planaire (23, 32) ;
       l'insert rigide, généralement planaire, étant inséré à l'intérieur du compartiment de façon adjacente à l'une des portions ;
       caractérisé en ce que le dispositif d'extension inclut aussi un morceau extensible (12, 30) ayant une paire de sections attachées l'une à l'autre de façon pliée, chacune des sections (14, 16 ; 34, 36) ayant une extrémité libre espacée de, et à l'opposé de, l'extrémité libre de l'autre section ;
       les sections du morceau extensible étant pliables entre une première position coplanaire substantiellement plate et une seconde position dans laquelle les sections sont substantiellement parallèles l'une à l'autre ;
       et en ce que le dispositif extensible inclut en outre un élément résilient (18, 38) attaché directement aux sections de façon adjacente aux extrémités libres opposées ;
       l'élément résilient étant en tension lorsque le morceau extensible est dans la première position substantiellement plate ; et
       le morceau extensible étant inséré dans la première position substantiellement plate entre l'insert rigide, généralement planaire, et l'autre portion opposée ; et l'élément résilient poussant les sections à passer de leur position coplanaire substantiellement plate à une position intermédiaire dans laquelle les sections forment un angle l'une par rapport à l'autre et sont limitées par la forme prédéterminée du compartiment étendu.
  2. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 1, dans lequel le morceau extensible (12, 30) est inséré dans la première position coplanaire substantiellement plate entre l'insert rigide généralement planaire (23, 32) et l'autre portion opposée (21) du compartiment, le dispositif d'extension étant orienté de sorte que les extrémités libres butent contre l'insert rigide, généralement planaire, lorsque l'élément résilient (18, 38) pousse les sections à passer à la position intermédiaire.
  3. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 1, dans lequel :
       chacune des portions (21) a un contour respectif prédéterminé ; et
       l'insert rigide, généralement planaire (23, 32), correspond substantiellement en contour à une portion.
  4. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 1 et comprenant en outre :
       un second insert rigide, généralement planaire (23) ; ce second insert rigide, généralement planaire, étant inséré a l'intérieur du compartiment de façon adjacente à l'autre portion opposée ; et
       le dispositif extensible étant inséré dans la première position coplanaire substantiellement plate entre l'insert rigide, généralement planaire, et le second insert rigide, généralement planaire.
  5. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 4, dans lequel :
       chacune des portions a un contour respectif prédéterminé ;
       l'insert rigide, généralement planaire (23, 32), correspond substantiellement en contour à une portion ; et
       le second insert rigide, généralement planaire (23), correspond substantiellement en contour à l'autre portion opposée.
  6. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 1 et comprenant en outre :
       un second compartiment (56) extensible jusqu'à une seconde forme prédéterminée ;
       l'autre portion opposée formant aussi partiellement le second compartiment ;
       une troisième portion du sac ;
       un second moyen relié entre la portion opposée et la troisième portion et, avec la portion opposée et la troisième portion, définissant le second compartiment extensible jusqu'à la seconde forme prédéterminée ;
       un ou plusieurs élément(s) parmi le second moyen, la portion opposée et la troisième portion étant souple(s) et flexible(s), de sorte qu'on peut aisément faire affaisser le second compartiment jusqu'à un état substantiellement aplati ou l'étendre jusqu'à un état substantiellement déployé dans lequel la portion opposée et la troisième portion sont espacées l'une de l'autre substantiellement jusqu'au degré complet permis par la forme prédéterminée du second compartiment étendu ;
       le dispositif d'extension incluant en outre un second insert rigide, généralement planaire (60) ;
       le second insert rigide, généralement planaire, étant inséré à l'intérieur du second compartiment de façon adjacente à la troisième portion ;
       le dispositif extensible incluant aussi un second morceau extensible (12, 30) ayant une paire de sections (14, 16 ; 34, 36) attachées l'une à l'autre de façon pliée, chacune des sections ayant une extrémité libre espacée de, et a l'opposé de, l'extrémité libre de l'autre section ;
       les sections du second morceau extensible étant pliables entre une première position coplanaire substantiellement plate et une seconde position dans laquelle les sections sont substantiellement parallèles l'une à l'autre ;
       le second dispositif d'extension incluant en outre un élément résilient (18, 38) attaché directement aux sections de façon adjacente aux extrémités libres opposées ;
       l'élément résilient du second morceau extensible étant en tension lorsque le second morceau extensible est dans la première position substantiellement plate ;
       le second morceau extensible étant inséré dans la première position substantiellement plate entre le second insert rigide, généralement planaire, et la portion opposée ; et
       l'élément résilient du second morceau extensible poussant les sections du second morceau extensible à passer de leur position coplanaire relativement plate à une position intermédiaire dans laquelle les sections forment un angle l'une par rapport à l'autre et sont limitées par la forme prédéterminée du second compartiment étendu.
  7. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 6, dans lequel :
       chacune des portions a un contour respectif prédéterminé ;
       l'insert rigide, généralement planaire, correspond substantiellement en contour à une portion ;
       la troisième portion a un autre contour prédéterminé ; et
       le second insert rigide, généralement planaire, correspond substantiellement en contour à la troisième portion.
  8. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 6, dans lequel :
       le morceau extensible est inséré dans la première position coplanaire substantiellement plate entre l'insert rigide, généralement planaire, et l'autre portion de la paire de portions opposées du compartiment, le dispositif d'extension étant orienté de sorte que les extrémités libres du morceau extensible butent contre l'insert rigide, généralement planaire, lorsque l'élément résilient pousse les sections à passer à la position intermédiaire ; et
       le second morceau extensible est inséré dans la première position coplanaire substantiellement plate entre le second insert rigide, généralement planaire, et la portion opposée, orienté de sorte que les extrémités libres du second morceau extensible butent contre le second insert rigide, généralement planaire, lorsque l'élément résilient du second dispositif extensible pousse les sections à passer à la position intermédiaire.
  9. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 6 et comprenant en outre :
       un troisième insert rigide, généralement planaire (23, 32) ;
       le troisième insert rigide, généralement planaire, étant inséré à l'intérieur du compartiment de façon adjacente à l'autre portion opposée ; et
       le dispositif extensible étant inséré dans le compartiment dans la première position coplanaire substantiellement plate entre l'insert rigide, généralement planaire, et le troisième insert rigide, généralement planaire.
  10. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 9, dans lequel :
       chacune des portions a un contour respectif prédéterminé ;
       l'insert rigide, généralement planaire, correspond substantiellement en contour à une portion ;
       la troisième portion a un autre contour prédéterminé ;
       le deuxième insert rigide, généralement planaire, correspond substantiellement en contour à la troisième portion ; et
       le troisième insert rigide, généralement planaire, correspond substantiellement en contour à l'autre portion opposée.
  11. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 1, dans lequel :
       l'insert généralement rigide (32) et le morceau extensible (30) sont intégrés et constituent un élément relativement plat étant pliable la long d'au moins deux axes transversaux (42, 44) pour former une première section (36), une deuxième section (34) et une troisième section en tandem (32) ;
       les première et deuxième sections étant la paire de sections ;
       la troisième section étant l'insert généralement rigide ; et
       lesdites première et deuxième sections étant capables de se plier sur, et de chevaucher, au moins une partie de ladite troisième section.
  12. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 11, dans lequel ladite première section (36) inclut un onglet (52) et ladite troisième section (32) inclut une fente (50) qui est adaptée pour recevoir l'onglet lorsque les première et deuxième sections se forment en une crête et étendent le sac.
  13. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 11 et comprenant en outre :
       un second insert rigide, généralement planaire (23) ;
       le second insert rigide, généralement planaire, étant inséré à l'intérieur du compartiment de façon adjacente à l'autre portion opposée ; et
       les première et deuxième sections étant disposées entre la troisième section et le second insert rigide, généralement planaire.
  14. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 13, dans lequel :
       chacune des portions a un contour respectif prédéterminé ;
       l'insert rigide, généralement planaire, correspond substantiellement en contour à une portion ; et
       le second insert rigide, généralement planaire, correspond substantiellement en contour à l'autre portion opposée.
  15. Dispositif d'extension d'un sac (13, 15) en combinaison avec un sac souple (20) avant une paire de portions opposées (21) formant partiellement le sac ;
       un moyen relié entre les portions et, avec les portions, définissant un compartiment extensible jusqu'à une forme prédéterminée ;
       un ou plusieurs élément(s) parmi le moyen et les portions étant souple(s) et flexible(s), de sorte qu'on peut aisément faire affaisser le compartiment jusqu'à un état substantiellement aplati ou l'étendre jusqu'à un état substantiellement déployé dans lequel les portions sont espacées l'une de l'autre substantiellement jusqu'au degré complet permis par la forme prédéterminée du compartiment étendu ;
       le dispositif d'extension incluant une corde (72, 98) ayant des extrémités opposées, une extrémité de la corde étant attachée au dispositif d'extension,
       caractérisé en ce que le dispositif d'extension inclut en outre un élément allongé (62, 91) pliable le long d'au moins des lignes (76, 78 ; 99, 100) de façon transversale par rapport à la direction allongée de l'élément, pour former une première section (70, 116), une deuxième section (68, 114) et une troisième section (64, 112) en tandem ;
       les première et deuxième sections étant capables de chevaucher au moins une partie de la troisième section ;
       les première et deuxième sections étant en outre capables de se plier entre une première position coplanaire substantiellement plate et une seconde position dans laquelle les première et deuxième sections sont substantiellement parallèles l'une à l'autre tout en chevauchant la troisième section ;
       une extrémité de la corde étant attachée à la première section ;
       la deuxième section ayant une ouverture (86, 104) au travers de laquelle passe l'extrémité non attachée de la corde ;
       l'élément étant inséré à l'intérieur du compartiment, les première et deuxième sections chevauchant au moins une partie de la troisième section dans la première position substantiellement coplanaire et la troisième section étant adjacente à l'une des portions ; et
       la tension sur l'extrémité non attachée de la corde poussant les première et deuxième sections à passer de leur position coplanaire substantiellement plate à une position intermédiaire formant une crête, dans laquelle les première et deuxième sections forment un angle l'une par rapport à l'autre ainsi que par rapport à la troisième section et sont limitées par la forme prédéterminée du compartiment étendu.
  16. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 15, dans lequel :
       la troisième section (64, 112) inclut au moins une fente (90, 92, 94, 108) ; et
       la première section (70, 116) inclut un onglet (82, 106) qui est adapté pour être inséré dans la fente lorsque les première et deuxième sections (68, 114) sont formées en une crête.
  17. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 16, dans lequel plusieurs fentes (90, 92, 94) sont fournies, dont chacune est adaptée pour recevoir l'onglet (82), de sorte que la hauteur de la crête peut être ajustée pour satisfaire à l'expansion de sacs de différentes tailles.
  18. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 15, dans lequel un insert généralement rigide (23) est placé dans le sac de façon parallèle à la troisième section, les première et deuxième sections étant entre la troisième section et l'insert généralement rigide.
  19. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 15 et comprenant en outre :
       une quatrième section (66) en tandem avec les première (70), deuxième (68) et troisième (64) sections ;
       la quatrième section étant entre les deuxième et troisième sections ;
       la quatrième section étant capable de chevaucher la troisième section dans une position relativement fixe lorsque les première et deuxième sections sont dans la première position, la seconde position, ou une position intermédiaire formant une crête ; et
       la tension sur l'extrémité non attachée de la corde poussant les première et deuxième sections à passer de leur position coplanaire substantiellement plate à une position dans laquelle les première et deuxième sections forment un angle l'une par rapport à l'autre, ainsi que tant par rapport à la troisième que par rapport à la quatrième section.
  20. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 19, dans lequel la première section a des fentes (84) pour l'attachement d'une extrémité de la corde.
  21. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 19 et incluant un moyen pour fixer la quatrième section à la troisième section dans la position relativement fixe.
  22. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 21, dans lequel un insert généralement rigide (23) est placé dans le sac de façon parallèle à la troisième section, les première, deuxième et quatrième sections étant entre la troisième section et l'insert généralement rigide.
  23. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 19, dans lequel :
       la troisième section (64) inclut au moins une fente (90, 92, 94) ; et
       la première section (70) inclut un onglet (82) qui est adapté pour être inséré dans la fente lorsque les première et deuxième sections sont formées en une crête.
  24. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 19, dans lequel :
       la troisième section (64) a plusieurs fentes (90, 92, 94) ;
       la première section (70) inclut un onglet (82) ; et
       les fentes sont adaptées pour recevoir l'onglet, de sorte que la hauteur de la crête peut être ajustée pour satisfaire à l'expansion de sacs de différentes tailles.
  25. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 19, dans lequel un insert généralement rigide (23) est placé dans le sac de façon parallèle a la troisième section, les première, deuxième et quatrième sections étant entre la troisième section et l'insert généralement rigide.
  26. Dispositif d'extension (136) en combinaison avec, et pour l'insertion dans, un sac souple (20) du type ayant un état affaisse et un état étendu, et ayant un premier côté (21) et un second coté généralement opposé (21) formant au moins partiellement le sac souple ;
       un premier insert rigide (130) destine à s'appuyer contre le premier côté dudit sac ;
       un second insert rigide (132) destiné à s'appuyer contre le second côté dudit sac ; et
       un extenseur rigide (134) positionné entre lesdits inserts,
       caractérisé en ce que
       chacun des inserts a une fente (138, 140) ;
       l'extenseur a une paire d'onglets disposés de façon opposée (142, 144) ; et
       un moyen élastique (146) est attaché à l'extenseur pour déplacer lesdits inserts depuis une position relativement plate dans laquelle ledit extenseur et lesdits inserts sont positionnés dans une relation généralement parallèle, jusqu'a une position d'extension du sac dans laquelle ledit extenseur forme un angle par rapport auxdits premier et second inserts pour séparer les premier et second inserts afin d'étendre ledit sac couple ;
       l'un des onglets étant maintenu engagé avec l'une des fentes par le moyen élastique lorsque l'extenseur et les inserts sont positionnés dans la relation généralement parallèle ; et
       lorsque le moyen élastique déplace automatiquement l'extenseur pour séparer les inserts, chacun des onglets s'insère dans l'une des fentes respectives pour maintenir les inserts dans un état bloqué séparé.
  27. Combinaison d'un dispositif d'extension et d'un sac souple selon la revendication 26, dans lequelle lesdits inserts (130, 132) sont façonnés et dimensionnés pour s'adapter aux côtés respectifs dudit sac.
  28. Combinaison d'un dispositif d'extension et d'un sac souple selon la revendication 26 ou 27, et incluant un matériau souple joignant lesdits côtés, ledit sac étant transformable entre un état affaissé, dans lequel lesdits côtés sont adjacents l'un a l'autre et ledit matériau est affaissé, et un état étendu dans lequel lesdits côtés sont espacés l'un de l'autre et ledit matériau est étendu.
  29. Combinaison d'un dispositif d'extension et d'un sac souple selon la revendication 26, 27, ou 28, dans laquelle l'extenseur est substantiellement perpendiculaire à chacun des inserts dans la position d'extension du sac.
  30. Combinaison d'un dispositif d'extension et d'un sac souple selon la revendication 26, 27, 28 ou 29, dans laquelle le moyen élastique est attaché entre l'extenseur et l'un des inserts.
  31. Combinaison d'un dispositif d'extension et d'un sac souple selon la revendication 26, 27, 28, 29, ou 30, dans laquelle :
       l'extenseur et les inserts sont maintenus parallèles par des forces de compression exercées sur le sac ; et
       le moyen élastique fait automatiquement passer l'extenseur et les inserts à la position d'extension du sac lorsque les forces de compression sont enlevées du sac.
  32. Dispositif d'extension d'un sac (136) en combinaison avec un sac souple (20) ayant une paire de portions opposées (21) formant partiellement le sac ;
       un moyen relié entre les portions et, avec les portions, définissant un compartiment extensible jusqu'à une forme prédéterminée ;
       un ou plusieurs élément(s) parmi le moyen et les portions étant souple(s) et flexible(s), de sorte qu'on peut aisement faire affaisser le compartiment jusqu'à un etat substantiellement aplati ou l'étendre jusqu'à un etat substantiellement déployé dans lequel les portions sont espacées l'une de l'autre substantiellement jusqu'au degré complet permis par la forme prédéterminée du compartiment étendu ;
       le dispositif d'extension incluant un premier insert rigide, généralement planaire (130), et un second insert rigide, généralement planaire (132) ;
       le dispositif d'extension incluant en plus un morceau d'extension rigide, généralement planaire (134), positionné entre les inserts dans une relation initiale,
    substantiellement parallèle ;
       caractérisé en ce que le dispositif d'extension inclut en outre un élément résilient (146) attaché entre le morceau d'extension et l'un des inserts ;
       l'élément résilient étant en tension lorsque le morceau d'extension et les inserts sont dans la relation substantiellement parallèle ;
       le morceau d'extension étant inséré dans le compartiment avec le premier insert adjacent à une portion et le second insert adjacent à l'autre portion dans la relation initiale, substantiellement parallèle, et étant retenus dans cette relation initiale, substantiellement parallèle par une force de compression ; et
       l'élément résilient poussant automatiquement le morceau d'extension dans une position d'extension du sac dans laquelle le morceau d'extension forme un angle par rapport à chacun des inserts dans la mesure permise par la forme prédéterminée du compartiment étendu au moment de l'enlèvement de la force de compression.
  33. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 32, dans lequel :
       chacune des portions a un contour respectif déterminé ;
       le premier insert rigide, généralement planaire, correspond substantiellement en contour à une portion ; et
       le second insert rigide, généralement planaire, correspond substantiellement en contour à l'autre portion opposée.
  34. Dispositif d'extension d'un sac (200, 260, 300, 350) en combinaison avec un sac souple (202, 252, 302) ayant une paire de portions opposées (203, 204 ; 253, 254 ; 303, 304) formant partiellement le sac ;
       un moyen (205, 206 ; 255, 256 ; 305, 306) reliant les portions et, avec les portions, définissant un compartiment extensible jusqu'à une forme prédéterminée ;
       un ou plusieurs élément(s) parmi le moyen et les portions étant souple(s) et flexible(s), de sorte qu'on peut aisement faire affaisser le compartiment jusqu'a un état substantiellement aplati ou l'étendre jusqu'à un état substantiellement déployé dans lequel les portions sont espacées l'une de l'autre substantiellement jusqu'au degré complet permis par la forme prédéterminée du compartiment étendu ;
       caractérisé en ce que le dispositif d'extension inclut un morceau extensible (210, 260, 310, 360) ayant au moins quatre sections (211, 212, 213, 214 ; 261, 262, 263, 264 ; 311, 312, 313, 314 ; 361, 362, 363, 364) ;
       chacune des sections du morceau extensible étant attachée de façon pliée à chacune de deux sections adjacentes des sections, pour l'articulation l'une par rapport à l'autre ;
       deux sections adjacentes, ou plus, des sections (212, 213 ; 262, 263 ; 312, 313 ; 362, 363) formant un premier ensemble de sections ;
       deux sections adjacentes, ou plus, des sections (211, 214 ; 261, 264 ; 311, 314 ; 361, 364), ne formant pas le premier ensemble de sections, formant un second ensemble de sections ;
       le morceau extensible étant articulable entre une position initiale affaissée dans laquelle deux sections adjacentes, ou plus, des sections formant le premier ensemble de sections sont dans une position coplanaire substantiellement plate et chevauchent au moins partiellement les deux sections adjacentes, ou plus, des sections formant le second ensemble de sections, qui sont aussi dans une position coplanaire substantiellement plate, et une position totalement étendue dans laquelle les sections du premier ensemble sont substantiellement parallèles les unes aux autres et les sections du second ensemble sont substantiellement parallèles les unes aux autres ;
       le dispositif d'extension incluant en outre un élément (230 ; 280, 281 ; 330 ; 380) attaché à au mois l'une des sections ;
       le morceau extensible étant inséré dans le compartiment dans la position initiale affaissée entre les portions opposées ; et
       la tension sur l'élément poussant chaque ensemble de deux sections adjacentes, ou plus, des sections à passer de sa respective position coplanaire substantiellement plate à une position intermédiaire dans laquelle les sections de chaque ensemble forment un angle l'une par rapport à l'autre et sont limitées par la forme prédéterminée du compartiment étendu.
  35. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 34, dans lequel :
       l'élément (230 ; 280, 281 ; 330 ; 380) est résilient et est attaché à au moins deux des sections ; et
       l'élément résilient est en tension lorsque le morceau extensible est dans la position initiale affaissée.
  36. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 35, dans lequel l'élément résilient (230 ; 280, 281 ; 330 ; 380) est en tension lorsque le morceau extensible est dans la position intermédiaire.
  37. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 35 et comprenant en outre :
       un second élément résilient (281) attache à au moins deux autres sections ;
       le second élément résilient étant aussi en tension lorsque le morceau extensible est dans la position initiale affaissée ; et
       le second élément résilient aidant à pousser chaque ensemble de deux sections adjacentes, ou plus, des sections à passer de sa respective position coplanaire substantiellement plate à une position intermédiaire dans laquelle les sections de chaque ensemble forment un angle l'une par rapport a l'autre et sont limitées par la forme prédéterminée du compartiment étendu.
  38. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 35, dans lequel :
       le dispositif d'extension inclut aussi un insert généralement rigide (233, 234 ; 283, 284 ; 333, 334 ; 382) ; et
       l'insert généralement rigide est inséré à l'intérieur du compartiment de façon adjacente à l'une des portions entre le morceau extensible et une portion.
  39. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 38 et comprenant en outre :
       un onglet (292, 294; 328, 329; 378, 379) s'étendant vers l'extérieur à partir du morceau extensible ;
       une fente (285, 286; 345 ; 391) dans l'insert généralement rigide ; et
       l'onglet s'insérant dans la fente pour aider à maintenir le morceau extensible dans une position particulière par rapport à l'insert généralement rigide.
  40. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 34, dans lequel :
       le dispositif extensible inclut aussi un insert généralement rigide (233, 234 ; 283, 284 ; 333, 334 ; 382) ; et
       l'insert généralement rigide est inséré à l'intérieur du compartiment de façon adjacente à l'une des portions, entre le morceau extensible et une portion.
  41. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 38 ou 40, dans lequel :
       chacune des portions a un contour respectif prédéterminé ; et
       l'insert généralement rigide correspond substantiellement en contour à une portion.
  42. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 41, dans lequel :
       le sac souple a une direction allongée et le compartiment est extensible jusqu'à une forme prédéterminée approximativement cylindrique ; et
       l'insert généralement rigide (333, 334 ; 382) a une direction allongée et plusieurs segments généralement planaires (335, 336, 337, 338, 339 ; 383, 384, 386, 388) qui sont chacun attachés de façon pliée à chaque segment adjacent le long d'une ligne généralement parallèle à la direction allongée pour correspondre aux portions qui définissent en partie la forme prédéterminée approximativement cylindrique lorsque le morceau extensible est dans la position intermédiaire.
  43. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 40 et comprenant en outre :
       un onglet (292, 294 ; 328, 329 ; 378, 379) s'étendant vers l'extérieur depuis le morceau extensible ;
       une fente (285, 286 ; 345 ; 391) dans l'insert généralement rigide ; et
       l'onglet s'engageant dans la fente pour aider à maintenir le morceau extensible dans une relation particulière par rapport a l'insert généralement rigide.
  44. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 38 ou 40 et comprenant en outre :
       un second insert généralement rigide (234 ; 284 ; 334) ; et
       le second insert généralement rigide étant inséré à l'intérieur du compartiment de façon adjacente à l'autre portion opposée, et espacé du premier insert généralement rigide, le morceau extensible étant entre les deux inserts généralement rigides.
  45. Dispositif d'extension d'un sac eu combinaison avec un sac souple selon la revendication 44, dans lequel :
       chacune des portions a un contour respectif prédéterminé ;
       le premier insert généralement rigide correspond substantiellement en contour à une portion ; et
       le second insert généralement rigide correspond substantiellement en contour à l'autre portion opposée.
  46. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 45, dans lequel :
       le sac souple (302) a une direction allongée et le compartiment est extensible jusqu'à une forme prédéterminée approximativement cylindrique ; et
       les deux inserts généralement rigides (333, 334) ont une direction allongée et plusieurs segments généralement planaires (335, 336, 337, 338, 339) qui sont chacun attachés de façon pliée à chaque segment adjacent le long d'une ligne généralement parallèle à la direction allongée, de sorte que chacun des inserts généralement rigides correspond à l'une des portions gui définissent en partie la forme prédéterminée approximativement cylindrique, lorsque le morceau extensible est dans la position intermédiaire.
  47. Dispositif d'extension d'un sac en combinaison avec un sac souple selon la revendication 45 et comprenant en outre :
       une paire d'onglets (292, 294 ; 328, 329 ; 378, 379) ;
       chacun des onglets s'étendant vers l'extérieur à partir d'une partie généralement opposée du morceau extensible ;
       une première fente (285 ; 345 ; 391) dans le premier insert généralement rigide ;
       une seconde fente (286 ; 345 ; 391) dans le second insert généralement rigide ; et
       un onglet de la paire d'onglets s'insérant dans la première fente et l'autre onglet de la paire d'onglets s'engageant dans la seconde fente pour aider à maintenir le morceau extensible dans une relation particulière par rapport aux premier et second inserts généralement rigides.
  48. Dispositif d'extension d'un sac en combinaison avec un sac souple selon l'une quelconque des revendications précédentes, dans lequel ledit morceau extensible ou ledit insert généralement rigide contient un timbre imprimé (122).
EP19900306524 1989-06-19 1990-06-14 Poche souple et extenseur Expired - Lifetime EP0404448B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US07/367,759 US4946292A (en) 1989-06-19 1989-06-19 Bag having expanding means therein
US367759 1989-06-19
US383863 1989-07-21
US07/383,863 US4969751A (en) 1989-06-19 1989-07-21 Bag expanding means
US523734 1990-05-15
US07/523,734 US4993846A (en) 1989-07-21 1990-05-15 Soft bag and expander

Publications (3)

Publication Number Publication Date
EP0404448A2 EP0404448A2 (fr) 1990-12-27
EP0404448A3 EP0404448A3 (fr) 1991-02-06
EP0404448B1 true EP0404448B1 (fr) 1994-05-25

Family

ID=27408832

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Application Number Title Priority Date Filing Date
EP19900306524 Expired - Lifetime EP0404448B1 (fr) 1989-06-19 1990-06-14 Poche souple et extenseur

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Country Link
EP (1) EP0404448B1 (fr)
JP (1) JPH03103202A (fr)
AU (2) AU641660B2 (fr)
CA (1) CA2018782C (fr)
DE (1) DE69009106T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3141043A1 (fr) * 2022-10-20 2024-04-26 fabrice frerot Etui à lunettes repliable

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780252B1 (fr) 1998-06-26 2000-09-08 Denis Morlon Extenseur pour sac
US7243875B2 (en) 2004-06-10 2007-07-17 The Coleman Company, Inc. Method for tightly rolling a sleeping bag and storage sack therefor
US7631376B2 (en) 2004-06-10 2009-12-15 The Coleman Company, Inc. Expandable sleeping bag storage sack

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580515A (en) * 1944-10-05 1946-09-10 William Edward Paul Rose Improvements in collapsable cases, trunks, packing cases and the like
AT166343B (de) * 1948-12-16 1950-07-10 Adolf Froehlich Koffer
FR1073581A (fr) * 1953-01-28 1954-09-27 Réceptacle et en particulier sac de dame pliable en position de non utilisation
US2798579A (en) * 1955-05-09 1957-07-09 Boni B Fox Collapsible luggage
GB1590632A (en) * 1976-12-13 1981-06-03 Zoland M Packing expandable bags
US4142564A (en) * 1977-12-05 1979-03-06 Martin Zoland Collapsible bag with expandable bag insert
US4141399A (en) * 1977-12-05 1979-02-27 Martin Zoland Expandable bag with internal biasing means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3141043A1 (fr) * 2022-10-20 2024-04-26 fabrice frerot Etui à lunettes repliable

Also Published As

Publication number Publication date
CA2018782C (fr) 2000-07-18
AU641660B2 (en) 1993-09-30
AU5759990A (en) 1990-12-20
CA2018782A1 (fr) 1990-12-19
JPH03103202A (ja) 1991-04-30
DE69009106D1 (de) 1994-06-30
EP0404448A2 (fr) 1990-12-27
AU4003393A (en) 1993-08-19
DE69009106T2 (de) 1994-11-10
EP0404448A3 (fr) 1991-02-06

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