EP1442991A1 - Beutel - Google Patents
Beutel Download PDFInfo
- Publication number
- EP1442991A1 EP1442991A1 EP03250390A EP03250390A EP1442991A1 EP 1442991 A1 EP1442991 A1 EP 1442991A1 EP 03250390 A EP03250390 A EP 03250390A EP 03250390 A EP03250390 A EP 03250390A EP 1442991 A1 EP1442991 A1 EP 1442991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- seal
- further characterized
- collapsed configuration
- bag according
- 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.)
- Withdrawn
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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/008—Standing pouches, i.e. "Standbeutel"
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
Definitions
- This invention relates to a bag, e.g. a bag made of a synthetic material, which may be used for containing refuse.
- Figs. 1A to 1 C show various views of a conventional bag 10 made of a sheet of plastic material.
- Fig. 1A shows a view of the plastic bag 10 in a fully collapsed configuration
- Fig. 1B shows a sectional view of the plastic bag 10 taken along a line P-P in Fig. 1A.
- a width of the sheet of plastic material is folded inward of a respective designed lateral edge of the bags 10, each forming a gusset, and a straight seal 12 is then formed near the intended bottom end and transverse to the length of the bag 10, by heat sealing at a temperature of 200 to 350°C, in the conventional manner. It is however found in practice that the region between two points, namely M and N shown in Figs.
- a bag with an opening at a first end and at least a seal adjacent to a second end, wherein said bag is movable between a collapsed configuration in which said bag is substantially flat and an expanded configuration in which said bag is fully inflated and said opening is closed, characterized in that said seal is non-straight when said bag is in said collapsed configuration.
- Fig. 2 shows a side view of a plastic bag according to the present invention, generally designated as 100, in a fully collapsed configuration.
- the bag 100 has an open end 102, and a closed end 104.
- the open end 102 may be closed in a substantially airtight manner by strings (not shown) or such other conventional closure means.
- the bag 100 may be made of such plastic material as low density or high density polyethylene.
- the bag 100 is shown here as formed with two seats, namely a straight seal 106, represented by a straight line ST in Fig. 2, and a non-straight seal 108, represented by a non-straight line AG. both close to the closed end 104.
- a straight seal 106 represented by a straight line ST in Fig. 2
- a non-straight seal 108 represented by a non-straight line AG. both close to the closed end 104.
- the seal 106 is of the same structure as the seal 12 of the bag 10 shown in Fig. 1A, it is in fact only of cosmetic purpose in the bag 100, for the reasons to be discussed below.
- the seal 108 is non-straight.
- the seal 108 is made up of a straight line segment AB starting from one lateral edge of the bag 100 leading downwardly towards the closed end 104, joined by an arc BC with a centre of curvature O 2 downward of the seal 108, followed by an arc CDE with a centre of curvature O 1 upward of the seal 108, followed by an arc EF with a centre of curvature O 3 downward of the seal 108, then a straight line segment FG ending at the other lateral edge of the bag 100, It can be seen that the centre of curvature O 1 is on the longitudinal centre line L-L of the bag 100.
- the arcs BC and EF are thus curved towards the open end 102, and the arc CDE is curved towards the bottom end 104.
- the line ABCD is symmetrical to the line GFED about the longitudinal centre line L-L. It can also be seen that the line segments AB and FG, when extended when the bag 100 is in the fully collapsed configuration, will intersect an angle ⁇ , which is an obtuse angle.
- the width of the bag 100 may be from 300mm to 1,000mm, depending on customer requirements, and the width of the seals 106 and 108 may be from 0.8mm to 2mm.
- the ranges of other dimensions are as follows:
- the distance between the points A and G to the open end 102 is shorter than the distance between the point D (where the seal 108 intersects the longitudinal centre line L-L of the bag) and the open end 102.
- the bag 100 according to the present invention When the bag 100 according to the present invention is in its fully expanded configuration, i.e. fully inflated and substantially airtightly closed adjacent to the open end 102, although the seal 106 will still be bent upwardly towards the mouth of the bag 100, the seal 108 will however constitute a straight line, as can be seen in Fig. 3.
- the whole of the seal 108 will contribute equally to bearing the loading of the content in the bag 100, thus increasing the loading capacity of the bag 100, when the bag 100 is in its fully expanded configuration. It is found in experiments that the loading capacity of a bag made in accordance with the present invention can be as much as eight times that of a conventional bag, i.e. one with the conventional seal 12 only, made of the same type and amount of material.
- the seal 106 is only of cosmetic purpose only, i.e. to enhance the aesthetic appearance of the bag 100, but does not contribute to the load-bearing capacity of the bag 100.
- the seal 108 may or may not touch the seal 106, and if the seal 108 is designed not to touch the seal 106, their distance is at the discretion of the manufacturer.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packages (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03250390A EP1442991A1 (de) | 2003-01-22 | 2003-01-22 | Beutel |
US10/400,517 US20040141665A1 (en) | 2003-01-22 | 2003-03-28 | Bag |
HK03108763A HK1057446A2 (en) | 2003-01-22 | 2003-12-01 | A bag |
AU2004200208A AU2004200208A1 (en) | 2003-01-22 | 2004-01-20 | A Bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03250390A EP1442991A1 (de) | 2003-01-22 | 2003-01-22 | Beutel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1442991A1 true EP1442991A1 (de) | 2004-08-04 |
Family
ID=32524252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03250390A Withdrawn EP1442991A1 (de) | 2003-01-22 | 2003-01-22 | Beutel |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040141665A1 (de) |
EP (1) | EP1442991A1 (de) |
AU (1) | AU2004200208A1 (de) |
HK (1) | HK1057446A2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101708786A (zh) * | 2009-10-27 | 2010-05-19 | 覃汉昇 | 一种可提高承载量的塑膜袋 |
JP6082208B2 (ja) * | 2012-08-17 | 2017-02-15 | 株式会社ソフトマシーン | ドラム缶用内袋、内袋ユニット及び充填方法 |
US20160229615A1 (en) * | 2013-09-27 | 2016-08-11 | Fuji Seal International, Inc. | Pouch container packaging and pouch container |
CN216708578U (zh) * | 2018-05-08 | 2022-06-10 | 格拉德产品公司 | 热塑性袋 |
CN112399950B (zh) * | 2018-08-14 | 2022-07-29 | 宝洁公司 | 自适应包装 |
CN112385002B (zh) | 2018-08-14 | 2022-05-13 | 宝洁公司 | 用于可磁化材料的磁化的工艺和装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB776382A (en) * | 1954-12-17 | 1957-06-05 | Metal Box Co Ltd | An improved bag and method of making same |
FR1234140A (fr) * | 1958-12-20 | 1960-10-14 | Procédé de fabrication de sacs et sacs obtenus par ce procédé | |
FR1349272A (fr) * | 1962-11-14 | 1964-01-17 | Récipient en matière plastique et son procédé de fabrication | |
EP0933302A2 (de) * | 1998-02-02 | 1999-08-04 | Hosokawa Yoko Co., Ltd | Beutel mit Seitenfalten für medizinische Verwendung |
US6131806A (en) * | 1998-11-19 | 2000-10-17 | Aptargroup, Inc. | Dispensing structure incorporating a valve-containing fitment for mounting to a container and a package with a dispensing structure |
US6193416B1 (en) * | 1996-09-27 | 2001-02-27 | Kao Corporation | Gusseted bag |
US6254907B1 (en) * | 1999-12-21 | 2001-07-03 | Fres-Co System Usa, Inc. | Bowl bag with resealable closure means |
US20020121049A1 (en) * | 1996-02-26 | 2002-09-05 | Weder Donald E. | Method of covering a pot or floral grouping with a sleeve having a curvilinear lower end |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051368A (en) * | 1958-11-28 | 1962-08-28 | Schneider | Dispensing container |
US3762542A (en) * | 1971-11-24 | 1973-10-02 | Questor Corp | Infant feeding means |
FR2215359B1 (de) * | 1973-01-26 | 1980-03-21 | Doyen Leon | |
JP3410142B2 (ja) * | 1993-03-30 | 2003-05-26 | 株式会社平野屋物産 | 開封容易とした自立可能な合成樹脂製袋 |
US5860743A (en) * | 1996-11-27 | 1999-01-19 | The Coca-Cola Company | Stable flexible pouch and method for making the pouch |
US6270819B1 (en) * | 1997-09-23 | 2001-08-07 | Cryovac, Inc. | Patch bag having curved seal and curved patch |
-
2003
- 2003-01-22 EP EP03250390A patent/EP1442991A1/de not_active Withdrawn
- 2003-03-28 US US10/400,517 patent/US20040141665A1/en not_active Abandoned
- 2003-12-01 HK HK03108763A patent/HK1057446A2/xx not_active IP Right Cessation
-
2004
- 2004-01-20 AU AU2004200208A patent/AU2004200208A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB776382A (en) * | 1954-12-17 | 1957-06-05 | Metal Box Co Ltd | An improved bag and method of making same |
FR1234140A (fr) * | 1958-12-20 | 1960-10-14 | Procédé de fabrication de sacs et sacs obtenus par ce procédé | |
FR1349272A (fr) * | 1962-11-14 | 1964-01-17 | Récipient en matière plastique et son procédé de fabrication | |
US20020121049A1 (en) * | 1996-02-26 | 2002-09-05 | Weder Donald E. | Method of covering a pot or floral grouping with a sleeve having a curvilinear lower end |
US6193416B1 (en) * | 1996-09-27 | 2001-02-27 | Kao Corporation | Gusseted bag |
EP0933302A2 (de) * | 1998-02-02 | 1999-08-04 | Hosokawa Yoko Co., Ltd | Beutel mit Seitenfalten für medizinische Verwendung |
US6131806A (en) * | 1998-11-19 | 2000-10-17 | Aptargroup, Inc. | Dispensing structure incorporating a valve-containing fitment for mounting to a container and a package with a dispensing structure |
US6254907B1 (en) * | 1999-12-21 | 2001-07-03 | Fres-Co System Usa, Inc. | Bowl bag with resealable closure means |
Also Published As
Publication number | Publication date |
---|---|
US20040141665A1 (en) | 2004-07-22 |
HK1057446A2 (en) | 2004-03-05 |
AU2004200208A1 (en) | 2004-08-12 |
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