US3613931A - Collapsible crate or box - Google Patents

Collapsible crate or box Download PDF

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Publication number
US3613931A
US3613931A US3613931DA US3613931A US 3613931 A US3613931 A US 3613931A US 3613931D A US3613931D A US 3613931DA US 3613931 A US3613931 A US 3613931A
Authority
US
United States
Prior art keywords
web
panels
connecting strip
strip means
box
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
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English (en)
Inventor
Peter Schifferle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOLZWERTE AG
Original Assignee
HOLZWERTE AG
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 HOLZWERTE AG filed Critical HOLZWERTE AG
Application granted granted Critical
Publication of US3613931A publication Critical patent/US3613931A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
    • B65D9/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor collapsible, e.g. with all parts detachable
    • 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
    • B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
    • B65D9/32—Details of wooden walls; Connections between walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • this invention relates to a collapsible crate or box.
  • this invention relates to a collapsible or knockdown crate or box including a bottom panel, sidewall forming panels and removable connecting strip means for connecting the sidewall forming panels to the bottom panel and to one another.
  • this invention relates to such a collapsible or knockdown crate or box on which the panels are provided with grooves extending in close proximity to their edges and the connecting strip means include two channel shaped strips disposed at an angle of 90 with respect to one another and being narrowed at their mouths and engageable with the grooves of adjacent panels to be connected.
  • the present invention has for a primary object to provide a collapsible or knockdown crate or box which, when empty, will occupy very little space, will not need to be disassembled completely and which can be readily reassembled with a minimum of effort and in a minimum of time.
  • It is a further object of this invention to provide a collapsible or knockdown crate or box including at least bottom and sidewall panels having grooves extending in close proximity to all their edges and connecting strip means for connecting the side panels to one another and to the bottom panel and which connecting strip means include components so cooperably related with the grooves in the panels as to permit assembly and disassembly of the panels between an erected and a collapsed or separable condition.
  • connecting strip means including two channel or U-shaped strips having resilient legs and a nose portion on at least one leg of each strip cooperable with a groove defining wall surface on the panels and so shaped as to facilitate outward deflection of such one leg upon insertion of a blade or prying element between the outer surface of the panel and the end edges of such one leg.
  • It is a particular object of this invention to provide a collapsible or knockdown crate assembly including at least bottom and sidewall panels having grooves extending in close proximity to all their edges, connecting strip means including components for cooperable relation with the grooves on the panels to removably connect adjacent sidewall panels to one another and additional connecting strip means for cooperable relation with the grooves in the panels to removably connect the sidewall panels to the bottom panel and said last mentioned connecting strip means including at least two strip means,
  • .theside panels can be folded outwards to lie on the same level the bottom panel. It is a still more particular object of the invention to provide such flexible bridge or web portions with a short active bending area having a thickness less than half the thickness of the adjacent bridge or web portions and disposed offcenter of the extent of the flexible bridge or web portions between the associated trough portions.
  • FIG. 1 is an exploded perspective view illustrating the components of the collapsible crate or box of the invention in partly disassembled condition;
  • FIG. 2 is a perspective view illustrating a bottom panel and two opposite sidewall panels connected thereto and with one sidewall panel in outwardly folded condition;
  • FIG. 3 is a fragmentary perspective view illustrating a connecting strip means and adjacent frames in their related positions just prior to assembly;
  • FIG. 4 is a fragmentary perspective view illustrating a connecting strip means and one form of flexible web or bridge extending between the panel edge surrounding channels or troughs;
  • FIG. 5 is a fragmentary perspective view illustrating the connecting strip means of FIG. 4 in assembled relation with adjacent inserted panels;
  • FIG. 6 is a fragmentary perspective view illustrating the groove arrangement at the comer of a panel
  • FIG. 7 is a fragmentary perspective view on an enlarged scale illustrating an embodiment in which the flexible web or bridge is formed of a material different than that of the connecting strip means;
  • FIG. 8 is a similar view illustrating another embodiment of the flexible web or bridge in which such web or bridge is an integral part of the connecting strip means.
  • the collapsible or knockdown crate or box of the invention illustrated in FIG. 1 includes panels constituting a bottom 1, a lid or closure 2 and sidewall panels 3, 4, 5 and 6. All of the side panels are provided on one face with grooves 7 and 8 of rectangular cross section and of uniform depth that extend parallel to and in close proximity to all the edges of the respective panels.
  • the same can be constructed of wood, commercially available fiber or chip board, tempered fiberboard and in fact from any commercially available material capable of being cut to size and grooved as required and of sufficient strength for the purpose intended.
  • the invention includes the connecting strips 9 and 11, preferably made of synthetic plastic material, shaped to connect adjacent side panels to one another.
  • Connecting strip means in the form of hinge-forming strips 12 and 13 connect at least side panels 3 and 4 with the bottom 1. All four side panels can be connected to the bottom by hinge-forming strips.
  • FIG. 2 illustrates the bottom 1 with side panels 3 and 4 attached thereto.
  • the connecting strips 111 have been removed and panel 4 has been folded outwardly to lie in approximately the same plane as the plane containing the bottom 1.
  • the portion of the box or crate comprising the bottom 1 and side panels 3 and 4 can be transported or shipped in space-saving fashion with these three panel components connected together, in that with the side panels 3, 4 folded outwardly, the other individual component parts that constitute the crate or box can be stacked on top of one another and on top of the bottom 1.
  • the side panels 5 and 6 and the top can be placed flat on the bottom 1 and the other connecting strips stacked thereon.
  • hinge-forming connecting strips are utilized to connect side panels 5 and 6 to the bottom I, the box assembly can be shipped with all four side panels folded outwardly to lie in flat condition and connected with the bottom 1.
  • FIG. 3 illustrates the crosssectional shape of connecting strips 9 and 11 and their disposition relative to two adjacent side panels prior to assembly.
  • Each of these connecting strips 9, 11 is provided with two deep, profiled channels or troughs l4 and extending perpendicular to one another.
  • These troughs 14 and 15 include outer resilient legs 16 and 17 having shaped noses or end portions 18 and 19 of triangular cross section.
  • a straight line extension of the leg 16 of channel or trough 14 delimits the inward extent or depth of the channel 15 while the two legs of channel 14 are connected by a web or bridge 17:: which also constitutes the inner surface or leg of the channel or trough 15.
  • Each of the side panels, the ends 20 and 21 of which are shown in FIG. 3, include respective grooves 22 and 23 whose distance from the edges of the panels correspond to the distance between the shaped noses 18 and 19 and the base of each associated channel or trough l4 and 15.
  • the panels can be removably connected to the connecting strips either by inserting the panels into the channels or troughs in the direction shown by the arrows or by sliding the panels into the respective channels or troughs in a direction parallel to the longitudinal axes of grooves 22 and 23.
  • the resiliency of the legs 16 and 17 of the channel allows the same to deflect outwardly until the noses 18 and 19 snap into the grooves 22 and 23.
  • FIG. 4 illustrates a hinge-forming strip 13 prior to assembling the same with the bottom and a side panel.
  • This connecting strip means is also constructed of synthetic plastic material having such resiliency characteristics as to permit outward deflection of the leg portions of the channels that constitute those having the shaped noses at the outer ends thereof.
  • the hinge-forming strip means includes two identical hinge leaf constituting portions 24 and 25, each of profiled channel-shaped cross section, including equilength legs 29, 30 and 27,28, that are parallel to one another and which define grooves or channels 15 and 14' that enclose or surround the edges of the panels. Shaped noses 31 and 32 snap into the grooves formed in the panels when the latter are inserted.
  • a thin flexible web or bridge 26 connects the hinge leaf forming portions 24 and together.
  • This web 26 can be a woven fabric web embedded in the material of which the channel forming portions 24 and 25 are made, or it can be a strip of synthetic plastic material of great flexibility, likewise having its ends embedded in the strips 24 and 25.
  • FIG. 5 illustrates the hinge-forming connecting strip means with panels 33 and 34 inserted therein, in the positions occupied by the bottom and one side panel, if the box were in use.
  • the flexible web 26 permits folding or rotation of the hinge-forming channel members 24 and 25 relative to one another.
  • FIG. 6 illustrates a corner of a side panel with two grooves 35 and 36 formed therein.
  • Each of these grooves extends the full length of a side of a panel and, as illustrated in connection with side panel 5 in FIG. 1, the grooves extend all around the panel on one face thereof, parallel to the edges and at the same distance from the edges.
  • the connecting strip means are mitered at their comers as shown in FIG. 1, so that they meet at the comers.
  • FIGS. 7 and 8 illustrate a particular shape of a flexible web or bridge that is essential to impart long life to such flexible web.
  • a particularly advantageous shape of the flexible web or strip can be obtained by providing a short, asymmetrically arranged active bending point or location 40, in other words bending location is offcenter with respect to a central plane between the sides of the web, as shown in these FIGS.
  • the side of the active bending point or location which, when being folded or bent, is subjected to tensile stress has radii of approximately the same magnitude, whereas the side of the web subjected to compressive stress merges with the web without change.
  • the relatively narrow active bending point or location is indicated at 40 in FIGS. 7 and 8. This location is not in the center of the web thickness of the adjacent web portions 41 ,42 and 43,44, respectively, but is located off center relative to the web portions.
  • the web On the side where tensile stress is developed during a folding operation, the web is delimited by radii R of approximately identical magnitude and forms concave and convex side portions.
  • the side of the web exposed to compressive stress has a straight line surface when it is in rest or static condition. This surface is parallel to the sides of the adjacent strip members 24,25 in FIG. 7, whereas in FIG. 8, this side of the web merges with the adjacent sides of the strip members 54 and 55.
  • the thickness of the active bending point or location of the flexible web is less than one-half the thickness of the adjacent web portions 41,42 and 43,44, respectively.
  • the initial step would be inserting side panels 5 and 6 from above and sliding them downwardly into the channels or troughs of the vertically disposed connecting strips 9 and 11.
  • the lid 2 is placed in position so that its connecting components cooperate with the upper edges of all of the side panels and the lid is tapped downwardly until its connection components lock in the grooves at the upper edges of the side panels.
  • the lid assembly can have a depending rim portion having a channel shaped configuration, the outer and resilient legs of the channels having noses shaped to snap in place in the grooves that extend horizontally of the upper edges of the respective side panels.
  • connecting strip means as separate components and constructed as in FIG. 3 can be applied over the four edges of a top panel that is also grooved in the same manner as the side panels and then those connecting strip means can be inserted or placed over the upper edges of the assembled side panels to secure the lid to the crate or box.
  • a hinge-forming connecting strip means can be associated between one side panel such as 5 and a top panel similar to bottom 1. Also hinge-fonning connecting strip means could be used on all four edges of a top panel.
  • connecting strip means that connects side panels 5 and 6 to the bottom 1 can be either hinge-forming connecting strip means as in FIGS. 5, 7 and 8 or shaped connecting strip means similar to FIG. 3, such as element 10 of FIG. 1.
  • a screw driver or other flat bladed tool can be inserted between the exterior of the side panels and the outer leg of the connecting strip portion that is in the grooves of the respective side panels, and by deflecting the outer leg of this connecting strip portion, the shaped nose such as 19, due to its resiliency characteristics, can be deflected out of its associated grooves so that the connecting strip can be moved upwardly in removing the lid.
  • a collapsible crate or box including a bottom panel, side panels and connecting strip means for connecting the side panels to one another and the side panels to the bottom panel, all said panels having grooves in one face thereof extending parallel to and in close proximity to all the respective edges of said panels, said connecting strip means each including two channel shaped strips having parallel legs with said strips being disposed with the channels opening in directions which are at an angle of approximately 90 with respect to one another in the assembled condition and said legs being so shaped that the channels defined thereby are narrowed at their mouths and at least those connecting strip means that connect the side panels to the bottom panel constituting hinge-forming connecting strip means including a flexible web extending between and intereonnecting the two channel shaped strips of such hingeforming connecting strip means and the legs of said hingeforrning connecting strip means being resilient, said flexible web including means defining a narrow bending location including an elongated depression in one side of said web, the web at said depression having a thickness less than one-half the thickness of the adjacent web portions, the depression side of said bending
  • a collapsible crate or box as claimed in claim 1 said flexible web being of a different material than the associated channel-shaped strips.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Packages (AREA)
  • Cartons (AREA)
US3613931D 1968-10-18 1969-06-09 Collapsible crate or box Expired - Lifetime US3613931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR170567 1968-10-18

Publications (1)

Publication Number Publication Date
US3613931A true US3613931A (en) 1971-10-19

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ID=8655856

Family Applications (1)

Application Number Title Priority Date Filing Date
US3613931D Expired - Lifetime US3613931A (en) 1968-10-18 1969-06-09 Collapsible crate or box

Country Status (6)

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US (1) US3613931A (nl)
BE (1) BE732399A (nl)
ES (1) ES163833Y (nl)
FR (1) FR1585381A (nl)
GB (1) GB1247987A (nl)
NL (1) NL6915369A (nl)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385162A1 (fr) * 1977-03-24 1978-10-20 Modulex As Coffret, notamment pour panneau d'affichage mural
US4319795A (en) * 1979-11-29 1982-03-16 Fellowes Manufacturing Company Flat file
US5215361A (en) * 1991-06-06 1993-06-01 Steelcase Inc. Prefabricated frame for wood panel assembly
DE4408317A1 (de) * 1994-03-11 1995-09-14 Licentia Gmbh Mehrwegverpackung, insbesondere für Schaltgeräte
US5829655A (en) * 1997-06-10 1998-11-03 Salopek; James F. Assembly-in-place storage container for use behind the front seats of an extended cab truck
US6401995B1 (en) 2000-11-22 2002-06-11 Kim W. Yuille Collapsible storage unit for a truck
FR2848988A1 (fr) * 2002-12-20 2004-06-25 Renault Sa Dispositif d'assemblage d'un moyen de conditionnement
DE10335629A1 (de) * 2003-08-04 2005-03-17 Christoph Dimer Ladungsträger aus thermoplastischem Kunststoff und Verfahren zu seiner Herstellung
US20060150426A1 (en) * 2005-01-11 2006-07-13 Shoji Okada Cutter knives for slash-quilts
US20070176398A1 (en) * 2006-01-31 2007-08-02 Toyoda Gosei Co. Ltd. Passenger airbag module
US20080223533A1 (en) * 2007-03-14 2008-09-18 Lucent Technologies Inc. Armor system for field protection and a method for making same
WO2009058003A2 (en) * 2007-10-30 2009-05-07 Van De Wetering, Jaap, Arie Collapsible container
US20100156075A1 (en) * 2006-01-31 2010-06-24 Vigeant Peter L Passenger airbag
CN102975922A (zh) * 2012-12-10 2013-03-20 郏帅军 一种组合式整理箱
CN107874425A (zh) * 2017-12-21 2018-04-06 广东工业大学 一种手提饭盒
US20190092518A1 (en) * 2017-09-27 2019-03-28 Pilkington Group Limited Collapsible crate
US11084411B2 (en) * 2019-04-18 2021-08-10 Jim Flanagan Modular cargo slider

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU527287B2 (en) * 1978-09-07 1983-02-24 Fisher & Paykel Limited Joining member
FR2451323A1 (fr) * 1979-03-14 1980-10-10 Roddier Roger Caisse demontable en matiere plastique pour la presentation et le transport de denrees perissables
GB2147969B (en) * 1983-09-13 1987-06-03 Edward George Walton Furniture joints
GB2204931B (en) * 1987-05-19 1991-08-14 David Alan Fairbairn Apparatus for connecting planar members
GB9907605D0 (en) * 1999-04-06 1999-05-26 Sutcliffe Henry Ltd Panel assembly
GB0107211D0 (en) 2001-03-22 2001-05-16 Itw Ltd Edge protector

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690799A (en) * 1950-09-28 1954-10-05 Goodyear Tire & Rubber Cabinet closure member
FR1401394A (fr) * 1964-04-22 1965-06-04 Mecanique & Plastique Charnière en matière plastique et procédé de fabrication d'une telle charnière
US3289877A (en) * 1963-03-20 1966-12-06 Westhem Corp Ltd Unitary hinge
US3301430A (en) * 1965-04-23 1967-01-31 Cornelius Co Integrally molded plastic cover and hinge
CH430565A (de) * 1965-07-30 1967-02-15 Holzwerte Ag Nagellose Kiste
US3315639A (en) * 1965-05-03 1967-04-25 George M Close Portable paint booth
US3343567A (en) * 1964-06-01 1967-09-26 Richardson Merrell Inc Collapsible tubing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690799A (en) * 1950-09-28 1954-10-05 Goodyear Tire & Rubber Cabinet closure member
US3289877A (en) * 1963-03-20 1966-12-06 Westhem Corp Ltd Unitary hinge
FR1401394A (fr) * 1964-04-22 1965-06-04 Mecanique & Plastique Charnière en matière plastique et procédé de fabrication d'une telle charnière
US3343567A (en) * 1964-06-01 1967-09-26 Richardson Merrell Inc Collapsible tubing
US3301430A (en) * 1965-04-23 1967-01-31 Cornelius Co Integrally molded plastic cover and hinge
US3315639A (en) * 1965-05-03 1967-04-25 George M Close Portable paint booth
CH430565A (de) * 1965-07-30 1967-02-15 Holzwerte Ag Nagellose Kiste

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385162A1 (fr) * 1977-03-24 1978-10-20 Modulex As Coffret, notamment pour panneau d'affichage mural
US4214797A (en) * 1977-03-24 1980-07-29 A/S Modulex Case structure
US4319795A (en) * 1979-11-29 1982-03-16 Fellowes Manufacturing Company Flat file
US5215361A (en) * 1991-06-06 1993-06-01 Steelcase Inc. Prefabricated frame for wood panel assembly
DE4408317A1 (de) * 1994-03-11 1995-09-14 Licentia Gmbh Mehrwegverpackung, insbesondere für Schaltgeräte
US5829655A (en) * 1997-06-10 1998-11-03 Salopek; James F. Assembly-in-place storage container for use behind the front seats of an extended cab truck
US6401995B1 (en) 2000-11-22 2002-06-11 Kim W. Yuille Collapsible storage unit for a truck
FR2848988A1 (fr) * 2002-12-20 2004-06-25 Renault Sa Dispositif d'assemblage d'un moyen de conditionnement
WO2004058582A1 (fr) * 2002-12-20 2004-07-15 Renault S.A.S Dispositif d’assemblage d’un moyen de conditionnement
CN100358780C (zh) * 2002-12-20 2008-01-02 雷诺两合公司 包装装置的组装机构
DE10335629A1 (de) * 2003-08-04 2005-03-17 Christoph Dimer Ladungsträger aus thermoplastischem Kunststoff und Verfahren zu seiner Herstellung
DE10335629B4 (de) * 2003-08-04 2005-10-20 Christoph Dimer Ladungsträger aus thermoplastischem Kunststoff und Verfahren zu seiner Herstellung
US20060150426A1 (en) * 2005-01-11 2006-07-13 Shoji Okada Cutter knives for slash-quilts
US20070176398A1 (en) * 2006-01-31 2007-08-02 Toyoda Gosei Co. Ltd. Passenger airbag module
US7654556B2 (en) * 2006-01-31 2010-02-02 Toyoda Gosei Co. Ltd. Passenger airbag module
US20100156075A1 (en) * 2006-01-31 2010-06-24 Vigeant Peter L Passenger airbag
US7946620B2 (en) 2006-01-31 2011-05-24 Toyoda Gosei Co. Ltd. Passenger airbag
US20080223533A1 (en) * 2007-03-14 2008-09-18 Lucent Technologies Inc. Armor system for field protection and a method for making same
WO2009058003A2 (en) * 2007-10-30 2009-05-07 Van De Wetering, Jaap, Arie Collapsible container
NL1034605C2 (nl) * 2007-10-30 2009-05-11 Wouter Johannes Leedekerken Inklapbare houder.
WO2009058003A3 (en) * 2007-10-30 2009-06-18 Wetering Jaap Arie Van De Collapsible container
CN102975922A (zh) * 2012-12-10 2013-03-20 郏帅军 一种组合式整理箱
US20190092518A1 (en) * 2017-09-27 2019-03-28 Pilkington Group Limited Collapsible crate
US10906694B2 (en) * 2017-09-27 2021-02-02 Pilkington Group Limited Collapsible crate
CN107874425A (zh) * 2017-12-21 2018-04-06 广东工业大学 一种手提饭盒
US11084411B2 (en) * 2019-04-18 2021-08-10 Jim Flanagan Modular cargo slider

Also Published As

Publication number Publication date
BE732399A (nl) 1969-10-01
ES163833Y (es) 1971-08-16
GB1247987A (en) 1971-09-29
ES163833U (es) 1971-02-01
FR1585381A (nl) 1970-01-16
NL6915369A (nl) 1970-04-21

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