EP0628485B1 - Liquid tight package having upper and lower lid parts - Google Patents
Liquid tight package having upper and lower lid parts Download PDFInfo
- Publication number
- EP0628485B1 EP0628485B1 EP94850100A EP94850100A EP0628485B1 EP 0628485 B1 EP0628485 B1 EP 0628485B1 EP 94850100 A EP94850100 A EP 94850100A EP 94850100 A EP94850100 A EP 94850100A EP 0628485 B1 EP0628485 B1 EP 0628485B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging
- lid part
- lower lid
- short sides
- lid
- 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
Links
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
- B65D5/248—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 at least one side being extended and doubled-over to enclose the adjacent gusset flaps
-
- 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
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
- B65D5/545—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a "cross-like" blank
- B65D5/5455—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a "cross-like" blank the lines of weakness being provided in a closure hinged to an edge of the container body
Definitions
- the present invention is for a liquid sealed packaging which is obtained by folding of a flat sheet.
- One side of the sheet has a barrier material which is impermeable for the liquid product for which the packaging shall be used.
- the packaging is primarily intended for viscous products such as paint, glue etc., which require large opening during use. Packagings of the kind which are used e.g. for drinks are not suitable for this purpose.
- the packagings which have hereto been used for paint, glue and the like products are mainly cans of metal or plastic. Usually these have a cylindrical shape which by sorting and handling in the warehouses on loading pallets etc. means that only about 60 % of the available volume can be used. Other drawbacks of these packagings are that the lids can be difficult to open or require special tools for opening. In certain cases the resealing of the packaging may cause problems either because it is not intended to be resealed or because the lids have been deformed by opening.
- the present invention is for a liquid sealed packaging which makes it possible to use the entire volume which is available in the space for storing and handling.
- the packaging can easily be opened and resealed with sufficient result.
- the packaging is also cheap to produce and empty packagings have small volume.
- a packaging which is suitable for moist and greasy goods is disclosed in FR-A-2 564 427.
- This packaging comprises a bottom and four side walls. Integral with the side walls there are corner parts which are folded in such a way that they are positioned along the shorter sides of the packaging and locked in that position by flaps extending from the inner parts of the side walls and folded over the corner parts. The flaps have extensions which are bent 90° thereto and inserted into adjacent longer sides.
- the packaging has no lid or cover. This packaging can, therefore, not be used for handling liquid goods.
- US-A-4930639 discloses a leakproof packaging for cooking food, having one lid only which is glued on side wall flanges and corner part flanges, and which has perforations.
- the packaging is particulatly intended for packaging, storing and microwave heating of food and it is adapted to this particular use.
- a packaging according to the invention is defined by claim 1. It is obtained by folding a flat sheet, one side of which, which is to be the inside of the packaging, has a barrier material layer.
- the barrier material is chosen depending upon the liquid which shall be packed and can be e.g. a polymer film or other layer of polymer material or wax.
- the body of the packaging is preferably corrugated board of conventional kind but it can also be cardboard or plastic.
- the packaging is obtained by folding a flat sheet in a suitable way to a box shaped packaging with lid.
- the packaging comprises a bottom 1, which is surrounded by short sides 2, 3 and long sides 4, 5.
- the sides are united by corner parts connected therewith which by a folding line 14 are divided in two parts 12 and 13.
- lid part 6, 10 On each of the long sides 4, 5 there is lid part 6, 10 of a size which is essentially the same as the bottom 1.
- One lid part 6 is intended to be a lower lid and is split by a perforation 9 into an inner part 7 with a surrounding border 8.
- a flap 15 which also includes a border 18, which is delimited against the short side and the outer part of the flap by two folding lines 16, 17.
- the short sides 2, 3 and the long sides 4, 5 are raised at right angle to the bottom 1.
- the material of the corner parts 12, 13 is folded to form outwardly directed mainly triangular flaps which are folded towards the short sides as shown in figure 2.
- the flap 15 is folded outwards and downwards along the folding lines 16 and 17 so that the upper border 18 covers the upper part of the corner parts so that a surface is obtained which is parallel with the lid and the bottom for the sealing of the packaging.
- a suitable glue e.g., a melt glue which is supplied in sufficient amount and quantity.
- the packaging is thereupon filled with its content, whereupon it is sealed by the lid parts 6 and 10.
- That part of the lid having a perforation shall be folded first so that it is positioned under the other upper lid part 10.
- the packaging is liquid sealed thereby that the outer border 8 of the lower lid part is glued to the upper border 18 of the short sides and against the inside of the opposing longer side 4.
- melt glue for the glueing of the lower lid, whereby the quality of the glue in certain cases has to be chosen in agreement with the content of the packaging.
- the upper lid 10 is thereupon glued to the lower lid in such a way that when the lid is opened by pulling the upper edge 11 upwards, the inner part 7 of the lower lid follows the upper lid 10 and is torn away from the lid border 8 along the perforation 9.
- the packaging may then be resealed thereby that the upper lid is folded down whereby the inner lid part 7 of the lower lid returns to its original position and gives a satisfactory, although not liquid sealed, resealing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
- Laminated Bodies (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Packages (AREA)
- Bag Frames (AREA)
Abstract
Description
- The present invention is for a liquid sealed packaging which is obtained by folding of a flat sheet. One side of the sheet has a barrier material which is impermeable for the liquid product for which the packaging shall be used. The packaging is primarily intended for viscous products such as paint, glue etc., which require large opening during use. Packagings of the kind which are used e.g. for drinks are not suitable for this purpose.
- The packagings which have hereto been used for paint, glue and the like products are mainly cans of metal or plastic. Usually these have a cylindrical shape which by sorting and handling in the warehouses on loading pallets etc. means that only about 60 % of the available volume can be used. Other drawbacks of these packagings are that the lids can be difficult to open or require special tools for opening. In certain cases the resealing of the packaging may cause problems either because it is not intended to be resealed or because the lids have been deformed by opening.
- The present invention is for a liquid sealed packaging which makes it possible to use the entire volume which is available in the space for storing and handling. The packaging can easily be opened and resealed with sufficient result. The packaging is also cheap to produce and empty packagings have small volume.
- A packaging which is suitable for moist and greasy goods is disclosed in FR-A-2 564 427. This packaging comprises a bottom and four side walls. Integral with the side walls there are corner parts which are folded in such a way that they are positioned along the shorter sides of the packaging and locked in that position by flaps extending from the inner parts of the side walls and folded over the corner parts. The flaps have extensions which are bent 90° thereto and inserted into adjacent longer sides. The packaging has no lid or cover. This packaging can, therefore, not be used for handling liquid goods.
- US-A-4930639 discloses a leakproof packaging for cooking food, having one lid only which is glued on side wall flanges and corner part flanges, and which has perforations. The packaging is particulatly intended for packaging, storing and microwave heating of food and it is adapted to this particular use.
- A packaging according to the invention is defined by
claim 1. It is obtained by folding a flat sheet, one side of which, which is to be the inside of the packaging, has a barrier material layer. The barrier material is chosen depending upon the liquid which shall be packed and can be e.g. a polymer film or other layer of polymer material or wax. The body of the packaging is preferably corrugated board of conventional kind but it can also be cardboard or plastic. The packaging is obtained by folding a flat sheet in a suitable way to a box shaped packaging with lid. - The invention shall now be further illustrated by the embodiments shown in the enclosed figures.
- Figure 1 shows a flat sheet for a packaging according to the invention.
- Figure 2 shows a packaging during folding and assembly.
- Figure 3 shows a completed packaging with open lid.
-
- The packaging comprises a
bottom 1, which is surrounded byshort sides long sides folding line 14 are divided in twoparts long sides lid part bottom 1. Onelid part 6 is intended to be a lower lid and is split by a perforation 9 into aninner part 7 with a surrounding border 8. On eachshort side flap 15 which also includes aborder 18, which is delimited against the short side and the outer part of the flap by twofolding lines - When the packaging is to be made ready for use the
short sides long sides bottom 1. Hereby the material of thecorner parts flap 15 is folded outwards and downwards along thefolding lines upper border 18 covers the upper part of the corner parts so that a surface is obtained which is parallel with the lid and the bottom for the sealing of the packaging. In connection with the folding the different parts are attached to each other with a suitable glue, e.g., a melt glue which is supplied in sufficient amount and quantity. The packaging is thereupon filled with its content, whereupon it is sealed by thelid parts bent arrows upper lid part 10. The packaging is liquid sealed thereby that the outer border 8 of the lower lid part is glued to theupper border 18 of the short sides and against the inside of the opposinglonger side 4. Also in this case it is suitable to use a so-called melt glue for the glueing of the lower lid, whereby the quality of the glue in certain cases has to be chosen in agreement with the content of the packaging. Theupper lid 10 is thereupon glued to the lower lid in such a way that when the lid is opened by pulling theupper edge 11 upwards, theinner part 7 of the lower lid follows theupper lid 10 and is torn away from the lid border 8 along the perforation 9. The packaging may then be resealed thereby that the upper lid is folded down whereby theinner lid part 7 of the lower lid returns to its original position and gives a satisfactory, although not liquid sealed, resealing.
Claims (1)
- Liquid tight sealed packaging obtained by folding a flat sheet, which on one surface being the inner wall of the packaging, has a layer of barrier material, said packaging comprising a bottom (1), long (4, 5) and short sides (2, 3), a lid part (10) extending from a respective long side (4), corner parts (12, 13) integral with the respective long and short sides and folded outwards onto the short sides (2, 3) and downfolded flaps (15) extending from the short sides and comprising borders (18) along the upper edges of the respective short sides, which borders cover the upper parts of the corner parts, characterized in thatthe packaging includes a lower lid part (6) and an upper lid part (10) extending from the respective long sides (4, 5), the downfolded flaps (15) overlap the corner parts,the lower lid part (6) can be split by means of a perforation (9) into an inner part (7) and a surrounding border (8),the packaging is liquid sealed thereby that said outer border (8) of the lower lid part is glued to the upper borders (18) of the short sides and against the inside of the opposing longer side (4),and the upper lid part (10) is glued to the inner part (7) of the lower lid part such that when the upper lid part is opened, the inner part of the lower lid follows the upper lid part and is torn away from the outer border (8) along the perforation (9).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302017A SE508971C2 (en) | 1993-06-11 | 1993-06-11 | Packaging |
SE9302017 | 1993-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0628485A1 EP0628485A1 (en) | 1994-12-14 |
EP0628485B1 true EP0628485B1 (en) | 1999-11-03 |
Family
ID=20390251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94850100A Expired - Lifetime EP0628485B1 (en) | 1993-06-11 | 1994-06-11 | Liquid tight package having upper and lower lid parts |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0628485B1 (en) |
AT (1) | ATE186267T1 (en) |
DE (1) | DE69421451T2 (en) |
FI (1) | FI942726A (en) |
NO (1) | NO305936B1 (en) |
SE (1) | SE508971C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0601114D0 (en) * | 2006-01-19 | 2006-03-01 | Ds Smith Packaging Ltd | Packaging tray |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1146948A (en) * | 1955-04-25 | 1957-11-18 | Lindt & Spruengli Schokolade | Packaging for tablet products |
US3254823A (en) * | 1964-02-07 | 1966-06-07 | United Board & Carton Corp | Tray construction and method of making same |
FR1501985A (en) * | 1966-10-03 | 1967-11-18 | Cartonneries De Saint Germain | Perfected set |
FR2564427B3 (en) * | 1984-05-21 | 1986-09-05 | Clergeau Papeteries Leon | WATERPROOF CONTAINER FOR PACKAGING OF WET AND / OR FATTY PRODUCTS |
US4930639A (en) * | 1989-08-02 | 1990-06-05 | Westvaco Corporation | Ovenable food container with removable lid |
-
1993
- 1993-06-11 SE SE9302017A patent/SE508971C2/en unknown
-
1994
- 1994-06-08 NO NO942125A patent/NO305936B1/en not_active IP Right Cessation
- 1994-06-09 FI FI942726A patent/FI942726A/en unknown
- 1994-06-11 DE DE69421451T patent/DE69421451T2/en not_active Expired - Lifetime
- 1994-06-11 AT AT94850100T patent/ATE186267T1/en not_active IP Right Cessation
- 1994-06-11 EP EP94850100A patent/EP0628485B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI942726A (en) | 1994-12-12 |
ATE186267T1 (en) | 1999-11-15 |
SE508971C2 (en) | 1998-11-23 |
EP0628485A1 (en) | 1994-12-14 |
DE69421451D1 (en) | 1999-12-09 |
SE9302017D0 (en) | 1993-06-11 |
SE9302017L (en) | 1994-12-12 |
FI942726A0 (en) | 1994-06-09 |
DE69421451T2 (en) | 2001-04-26 |
NO305936B1 (en) | 1999-08-23 |
NO942125D0 (en) | 1994-06-08 |
NO942125L (en) | 1994-12-12 |
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