EP0178730B1 - A collapsible high-sided tray - Google Patents
A collapsible high-sided tray Download PDFInfo
- Publication number
- EP0178730B1 EP0178730B1 EP85201659A EP85201659A EP0178730B1 EP 0178730 B1 EP0178730 B1 EP 0178730B1 EP 85201659 A EP85201659 A EP 85201659A EP 85201659 A EP85201659 A EP 85201659A EP 0178730 B1 EP0178730 B1 EP 0178730B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- walls
- tray
- wall
- fold lines
- fold line
- 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
Links
- 210000002105 tongue Anatomy 0.000 claims description 10
- 239000000463 material Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
- B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
- B65D5/241—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
- B65D5/243—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body the container body comprising a continuous rim or flange
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
- B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
- B65D5/2047—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape trapezoidal, e.g. to form a body with diverging side walls
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/36—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
- B65D5/3607—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
- B65D5/3635—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body
- B65D5/3642—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body the secured corners presenting diagonal, bissecting or similar folding lines, the central panel presenting no folding line
- B65D5/3657—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body the secured corners presenting diagonal, bissecting or similar folding lines, the central panel presenting no folding line the adjacent sides being interconnected by gusset folds
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2004—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting
Definitions
- the present invention relates to a collapsible high-walled tray produced from a planar, rigid blank having a four-cornered base defined by four bottom edges and four walls each of which presents a lower edge which coincides with a respective one of said bottom edges, two side edges each of which coincides along a given length with a respective side edge of an adjacent wall, and an upper free edge, each of two mutually opposed first walls of said walls presenting a respective first fold line which extends between the two side edges of the wall parallel with the respective lower edge thereof, and a respective second and third fold line which each extend from a respective lower corner of the wall to a respective free edge thereof while intersecting the associated first fold line to form an oblique angle therewith, the second and third fold lines forming an angle of about 45° with the side edge extending from.
- each of said first walls can either be folded along a respective first fold line to form a rim section which in an outwardly folded position locks the wall in a position in which folding along any of the second and third fold lines is prevented, or along the second and third fold lines, so that both of said walls are folded outwardly along their lower edges until said walls lie flat on level with the base of the tray, and so that the two remaining walls can be simultaneously folded along their lower edges in towards said base.
- Such collapsible high-walled trays are known from for example DE-B-1 199 178.
- the known tray has several drawbacks. Although it has reinforcements in the form of rim sections, it has too weak corners. Besides, the corners are not leakproof. Furthermore, the known trays cannot be stacked one within the other.
- the object of the invention is to provide a collapsible high-walled tray which exhibits none of the aforesaid drawbacks.
- the tray according to the invention has reinforced corner elements which also make the tray leakproof.
- the walls of the tray lean slightly outwards such that the trays can be stacked one within the other in erected position.
- the trays can also be stacked when collapsed, in a container therefore from which they can be removed singly while being erected at the same time upon passage through a slot-like opening in the container.
- the tray embodiment illustrated in Figure 1 comprises a four cornered, preferably rectangular base 1 defined by four bottom edges 2-5 and presenting four walls 6-9, each of which has a lower edge which coincides with a respective bottom edge 2-5, and two side edges 10 and 11, 11 and 12, 12 and 13, and 13 and 10 respectively, each of which coincides with a respective side edge of an adjacent wall over a pre-determined distance, this distance equalling about 70-90% of the length of a side edge, calculated from the lower corner of the wall.
- the walls 6-9 also present free upper edges 14-17.
- Each of the walls 6-9 has the shape of a parallel truncated triangle, the bases of respective triangles forming the free edges 14,15,16 and 17.
- the tray walls thus lean slightly outwards, enabling a plurality of erected trays to be stacked one within the other.
- the two mutually opposing walls 6 and 8 are provided with a respective first fold line 18 and 19 which extends between the two side edges 10, 11 and 12, 13 of respective walls and parallel with respective lower wall edges 2 and 4.
- Each of second and third fold lines 20, 21 and 22, 23 extends from its respective one of the two lower corners of the walls band 8 adjacent the free edges 14, 16 of said walls while intersecting the first fold line 18 and 19 respectively at an oblique angle V1 which if the walls do not lean is about 45° and which in the illustrated embodiment of Figure 1 having inclined or leaning walls exceeds 45°, in proportion to the extent to which the sides lean.
- each of the fold lines 20-23 is divided by the fold lines 18 and 19 into a first, lower part 20a, 21a, 22a and 23a located beneath a respective fold line 18 and 19, and a second, upper part 20b, 21 b, 22b and 23b located above a respective fold line 18 and 19.
- Each of the fold lines 20-23 forms an angle V2 of about 45° with a respective side edge 10, 11, 12 and 13 extending from the same corners as said lines, such that folding can be effected along the lines 20-23 under certain conditions when erecting. the tray, as made more apparent hereinafter.
- Each of the remaining two sides 9 and 7 is provided with a respective fold line 25 and 24 which extends between respective wall side- edges 10, 13 and 11, 12 parallel with respective lower edges 5 and 3 of said walls and at the same height from the base 1 of the erected tray as the fold lines 18 and 19 on the first mentioned walls 6 and 8.
- the tray illustrated in Figure 1 can be folded to the configuration shown in Figure 3, by folding the tray walls 7 and 9 in towards or against the centre of the tray, wherewith the walls 6 and 8 automatically fold along the fold lines 20-23, as shown in Figure 3.
- Figure 4 illustrates a pre-cut planar blank which is made of cardboard or like material treated with a synthetic resin substance and which can be folded to and secured in the tray configuration illustrated in Figures 1-3. Extending from each of the four corners of the panel forming the tray base are two further fold lines 30a-b, 31a-b, 32a-b and 33a-b respectively. The manner in which the forner sections of the tray are joined together is the same for all four corners, and hence in the following reference in this respect will be made solely to the lower right-hand corner section in Figure 4.
- the blank is first folded along the lines 11, 31a and 31b, whereafter the blank portions located between the lines 11, 31a and 31a and 31 are caused to overlap one another and also part of the blank portion located between the lines 31b and 21 a.
- the line 31a is located centrally between the lines 11 and 31 b, so that they therewith coincide with one another and together form the side edge 11 illustrated in Figures 1-3.
- the corner part is then fixed in its raised position as by gluing, riveting or welding of the plastics-treated outer surface of the tray blank.
- the triangular part of the blank located between the lines 31a and 31b may be removed, so that only the part located between the lines 11 and 31 a need be fixed to the wall 6.
- the fold lines 24 and 25 are interrupted between two points 34, 35 and 36, 37 respectively, which constitute the respective terminal points of a U-shaped slot 38 and 39 which extends into corresponding rim sections 28 and 29.
- each of the slots 38 and 39 forms a respective locking tongue, as illustrated in Figures 2 and 5.
- Two elongated, narrow locking apertures in the form of slots 40 and 41 are provided in the remaining two rim sections 14 and 16, the one longitudinally extending edge of respective slots preferably falling on its associated fold line 18 or 19.
- the lid 42 which comprises a planar cardboard blank or the like treated with a synthetic resin composition, presents two locking flaps 43 and 44, formed for example by punching out material from the edges of the lid, and two apertures 45 and 46, formed for example by through-punching, said flaps and apertures being intended for locking co-action with the locking slots 40 and 41 and the locking tongues 38 and 39 of the tray.
- Each of the apertures 45 and 46 suitably comprises an elongated slot 45a and 46a respectively intended to receive a respective locking tongue on the tray, and two shorter slots 45b, c and 46b, c extending transversally to an associated elongated slot 45a and 46a, thereby to form two locking flaps between the slots 45b and c and between the slots 46b and c respectively.
- the lid 42 can thus be secured to the tray, by simply placing the lid against the rim section and exerting a slight pressure on the lid, so that it snaps firmly into position against said rim sections.
- the lid can be fastened to the tray by means of welds or the like.
- the locking slots and tongues on the rim sections and the locking slots and flaps on the lid can be omitted.
- Figure 6 illustrates a holder 47 which is adapted to accommodate a plurality of collapsed trays placed in a stack therein.
- the trays can be removed singly from the holder 47 and caused to unfold to their erected state at the same time as they are removed.
- the holder 47 has a bottom wall 48 and four vertical walls 49-52.
- the wall 49 presents along its vertical centre line a slot like opening 53 having a uniform width substantially equal to the distance between the fold lines 18 and 19 of the two walls 6 and 8.
- the collapsed trays are placed one upon the other in the holder 47 to form a stack 54 with each of the lower edges 3 and 7 of the walls 7 and 9 lying parallel with the width axis of the slot 53.
- a holding-down weight in the form of a rectangular plate 55 made, for example, of metal or a plastics material.
- the plate 55 is provided on each of two mutually sides with a rectangular recess 56 and 57, such as to obtain an H-shape, with the web 58 mutually separating the recesses 56 and 57.
- the plate 55 is positioned so that its one recess, e.g. the recess 56, faces the slot opening 53.
- the wall 7 of the uppermost collapsed tray can be gripped, either by the hand or a suitable gripping tool, and horizontal withdrawal of the tray through the slot opening 53 initiated. Since the width of a collapsed tray is too great for the tray to pass through the slot 53, the edges defining the slot will engage the tray walls 6 and 7 and guide the same to a raised position, so that the tray can pass through the slot.
- the trailing edge of the web 58 of the holding-down plate hooks onto the rear wall 9 of the tray at the same time, causing the wall to lift, thereby assisting in erecting the collapsed tray as it is withdrawn from the holder.
- the free edges 14 and 16 are raised during withdrawal of the tray, they simultaneously lift the holding-down plate 55, so that the tray will slide beneath the plate as withdrawal of the tray proceeds.
- the web 58 releases its engagement with the wall 9, since the wall is then able to slide beneath the web. Release of the wall 9 from the web 58 is facilitated by the presence of the foldable rim section 29.
- the plate 55 falls back onto the uppermost tray in the stack 54.
- the plate 55 may have a shape different to that illustrated.
- One condition, however, is that the plate has a width which is at least equal to the distance between the free edges 14 and 16 in the collapsed state of the tray, so that the plate is lifted by said edges as the tray opens out.
- the hooking element 57 may have the form of a recess, but may alternatively have the form of at least one outwardly projecting tongue or the like (not shown) capable of hooking onto the rear wall 9 when the tray is drawn through the slot opening 53.
- the choice of hooking element on the plate 55 is governed by the extent of the space available between the free edges 15 and 17 of the trayin its collapsed state.
- the hooking element may also conceivably have the form of one or more tongues or the like arranged in the recess 57 and extending from the rearward edge of the web 58.
- the hooking element may also comprise one or more tongues or the like projecting from underneath plate 55. In this case no recess 57 is needed in the plate.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
- Table Devices Or Equipment (AREA)
- Thermally Insulated Containers For Foods (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Compounds Of Unknown Constitution (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Packages (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85201659T ATE45919T1 (de) | 1984-10-16 | 1985-10-11 | Zusammenfaltbarer tablettartiger behaelter mit hohen seitenwaenden. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8405157A SE449728B (sv) | 1984-10-16 | 1984-10-16 | Hopvikbart trag |
SE8405157 | 1984-10-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0178730A2 EP0178730A2 (en) | 1986-04-23 |
EP0178730A3 EP0178730A3 (en) | 1988-01-13 |
EP0178730B1 true EP0178730B1 (en) | 1989-08-30 |
Family
ID=20357363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85201659A Expired EP0178730B1 (en) | 1984-10-16 | 1985-10-11 | A collapsible high-sided tray |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0178730B1 (no) |
AT (1) | ATE45919T1 (no) |
DE (1) | DE3572637D1 (no) |
DK (1) | DK160143C (no) |
FI (1) | FI79816C (no) |
NO (1) | NO167272C (no) |
SE (1) | SE449728B (no) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5954263A (en) * | 1992-02-11 | 1999-09-21 | Posson; Jean | Liquid-tight boat-shaped packaging tray and its manufacturing method |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2237796A (en) * | 1989-11-10 | 1991-05-15 | Jowetts Limited | Blanks for packaging |
SE509463C3 (sv) * | 1996-08-29 | 1999-02-22 | Tony Noren | Foerfarande och medel foer uppresning av ett plant aemne till ett traag |
ATE281980T1 (de) | 2000-08-22 | 2004-11-15 | Mead Corp | Schalenförmiger behälter und entsprechender zuschnitt |
FR2816915B1 (fr) * | 2000-11-23 | 2003-12-05 | Philippe Andre Yvon Hautier | Barquette pour l'alimentaire |
GB2407809A (en) * | 2003-11-07 | 2005-05-11 | Ds Smith | Collapsible container |
ES2707149T3 (es) * | 2015-08-13 | 2019-04-02 | Packable Bv | Método para fabricar un objeto y embalar |
FR3072369B1 (fr) * | 2017-10-18 | 2020-10-16 | Groupe Guillin Sa | Emballage de conditionnement de produits alimentaires. |
CN108082655A (zh) * | 2018-01-11 | 2018-05-29 | 邵丹 | 一种包装盒及包装套盒 |
GB201810150D0 (en) * | 2018-06-20 | 2018-08-08 | Rapid Action Packaging Ltd | A fold flat tray |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR8765E (fr) * | 1907-12-20 | 1908-06-23 | Nanceienne De Cartonnages Soc | Boite pliante |
US2736486A (en) * | 1952-10-15 | 1956-02-28 | Nat Container Corp | Box with inwardly telescoping cover |
DE1199178B (de) * | 1960-06-11 | 1965-08-19 | Fritz Reinhardt | Faltschale |
DE3200985A1 (de) * | 1982-01-14 | 1983-07-21 | Bobby Ling North Point Hongkong Lee | Behaelter, insbesondere quaderfoermige versandbehaelter fuer kuenstliche blumen |
-
1984
- 1984-10-16 SE SE8405157A patent/SE449728B/sv not_active IP Right Cessation
-
1985
- 1985-10-11 EP EP85201659A patent/EP0178730B1/en not_active Expired
- 1985-10-11 AT AT85201659T patent/ATE45919T1/de not_active IP Right Cessation
- 1985-10-11 DE DE8585201659T patent/DE3572637D1/de not_active Expired
- 1985-10-14 NO NO854073A patent/NO167272C/no not_active IP Right Cessation
- 1985-10-15 DK DK471685A patent/DK160143C/da not_active IP Right Cessation
- 1985-10-16 FI FI854023A patent/FI79816C/fi not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5954263A (en) * | 1992-02-11 | 1999-09-21 | Posson; Jean | Liquid-tight boat-shaped packaging tray and its manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
DK160143B (da) | 1991-02-04 |
DK471685A (da) | 1986-04-17 |
NO854073L (no) | 1986-04-17 |
ATE45919T1 (de) | 1989-09-15 |
FI79816B (fi) | 1989-11-30 |
FI854023A0 (fi) | 1985-10-16 |
SE8405157L (sv) | 1986-04-17 |
SE8405157D0 (sv) | 1984-10-16 |
SE449728B (sv) | 1987-05-18 |
FI854023L (fi) | 1986-04-17 |
EP0178730A3 (en) | 1988-01-13 |
EP0178730A2 (en) | 1986-04-23 |
DE3572637D1 (en) | 1989-10-05 |
NO167272C (no) | 1991-10-23 |
FI79816C (fi) | 1990-03-12 |
DK471685D0 (da) | 1985-10-15 |
NO167272B (no) | 1991-07-15 |
DK160143C (da) | 1991-07-08 |
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