EP1390267B1 - Sachet alimentaire comportant un regard - Google Patents
Sachet alimentaire comportant un regard Download PDFInfo
- Publication number
- EP1390267B1 EP1390267B1 EP01986944A EP01986944A EP1390267B1 EP 1390267 B1 EP1390267 B1 EP 1390267B1 EP 01986944 A EP01986944 A EP 01986944A EP 01986944 A EP01986944 A EP 01986944A EP 1390267 B1 EP1390267 B1 EP 1390267B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- layer
- composite material
- area
- bread
- 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
- 239000002131 composite material Substances 0.000 claims abstract description 42
- 239000001913 cellulose Substances 0.000 claims abstract description 21
- 229920002678 cellulose Polymers 0.000 claims abstract description 21
- 235000013305 food Nutrition 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 235000011888 snacks Nutrition 0.000 claims abstract description 4
- 235000008429 bread Nutrition 0.000 claims description 25
- 229920001684 low density polyethylene Polymers 0.000 description 11
- 239000004702 low-density polyethylene Substances 0.000 description 11
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 235000012785 bread rolls Nutrition 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013270 controlled release 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
- 238000001035 drying Methods 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 235000012490 fresh bread Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000010816 packaging waste Substances 0.000 description 1
- 239000011088 parchment paper Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000036642 wellbeing Effects 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/04—Windows or other apertures, e.g. for viewing contents
Definitions
- the present invention relates to a bag for wrapping food, in particular of bread, rolls and snacks with at least one viewing window.
- food packaging has the task of protecting the product from drying out and loss of aroma as well as from harmful external influences. In addition, they must be safe for health. In terms of the shelf life and freshness of the bread, on the one hand it is important that the bread, bread rolls, the snack does not dry out and on the other hand that the crust of the bread nevertheless remains crispy and tasty to the consumer.
- Fresh bread is usually wrapped in bakery paper bows or packaged in bags of paper or plastic or a composite material thereof.
- conventional paper envelopes is disadvantageous that the cut edge of the cut bread is dry and hard after a few hours.
- plastic wrappers on the other hand, the moisture of the bread is held, but the crust absorbs the moisture and thus becomes soft and rubbery.
- the customer has no sense of well-being when a natural product such as bread is packed in a perceptible plastic packaging.
- a bag for food which ensures a sufficiently long shelf life and freshness of a food, especially bread with ease of handling.
- the bag is made of a composite material having at least a first layer of a cellulose-containing material and a second layer of plastic, wherein the first layer has a specific gravity of 15 to 40 g / m 2 and the second layer has a thickness of 6 to 20 ⁇ m, and wherein the composite material is perforated and the ratio of open to closed area of the composite material is between 1/50 and 1/250.
- this bag is breathable through the perforation of the composite in a certain way.
- so much moisture can escape from the bag that, for example, the crust of bread can release the moisture absorbed by the interior of the bread.
- only so little moisture escapes that a sliced bread still has sufficient moisture even after four days, so it is still tasty for the consumer.
- the moisture exchange between bag interior and the environment can be adjusted.
- the moisture transfer from the interior of the bag to the environment is low, while with a high ratio of moisture transfer is large.
- the bag may be used in accordance with selected ratio of open area to the total surface area of the composite material for packaging still oven-warm bread or for packaging the already cooled bread on sale.
- a cellulose-containing layer with a plastic layer, in addition to a controlled release of moisture and a light protection is effected. Also, the cellulose-containing layer, if it is outside, feels more pleasant than a plastic layer, and is also easily printable.
- the composite material is sufficiently tear-resistant and minimized in its mass, so that the packaging waste produced is very small if the bag can no longer be used.
- This bag can be used not only for keeping bread fresh, but also for other foods such as cold cuts, cheese, vegetables, meat or fish.
- the first layer of the composite material preferably consists of paper or cellulose.
- the plastic of the second layer is preferably made of a polyethylene, in particular an LDPE (low-density polyethylene) having a density of 0.915 to 0.925 g / cm 3 or a LLDPE (linear low-density polyethylene) having a density of 0.92 to 0.935 g / cm 3 .
- LDPE low-density polyethylene
- LLDPE linear low-density polyethylene
- the plastic layer especially in bags for baked goods to be packed loaves should be temperature resistant to at least 120 ° C, so that the bread can be packed as soon as possible after removal from the oven.
- the first and second layers may be releasably bonded together so that the composite material can be disassembled as much as possible into its components. This results in particular advantages in recycling.
- the layers of the composite material may also be firmly bonded together, for example in the form that the plastic layer is vapor-deposited on the cellulose-containing layer.
- the bag may have at least one seam in its longitudinal orientation. If, in particular, the second layer forms the inside of the bag, the seam can be formed by sealing, gluing and / or welding the second layer. By welding, gluing and / or sealing the contiguous plastic layers, the overlying first layer of the cellulose-containing material is also bonded to the second layer at the location of the seam. Thus, even with fundamentally detachable layers, the stability and strength of the bag is guaranteed.
- the superimposed composite material on the bottom side of the bag is preferably taken with a double seam in each other.
- the superimposed by folding first layers of the composite material can then be glued together, so that even here a solid bond is possible just in an otherwise dissolvable composite material.
- the invention is based on the object to provide an improved bag for food.
- the invention makes it possible to realize one or more viewing windows on a bag for wrapping food, in particular bread, of a composite material, characterized in that the first layer of the composite material of the cellulose-containing material is interrupted at one or more points. Where the layer of the pulp-containing material is interrupted, the wall of the bag is formed only by the second layer of the composite material made of plastic, which is transparent, perforated or unperforated.
- the interruption of the first layer of the composite material of pulp-containing material does not significantly affect the freshness retention properties of the bag according to the invention, especially not if the size of the interruption does not exceed approximately 1/2, preferably 1/3 of the total bag surface area.
- the keep-fresh property in advantageously be associated with a sales promotional presentation of wrapped by the bag food.
- the second layer of composite material may be perforated or unperforated, which in turn surprisingly does not significantly affect the freshness retention properties of the bag of the present invention unless the area of interruption is significantly above 1/2, preferably 1/3 of the total bag volume. Surface is. Particularly good results are achieved when the second layer is also perforated in the area of the interruption.
- the viewing window or windows can be realized by interrupting the first layer of the pulp-containing material at any point of the bag.
- a middle region of the bag is provided with a viewing window.
- This area can for example be rectangular or strip-shaped over the entire length of the bag.
- This embodiment is particularly suitable for the packaging of loaves, since the bags with the loaves are placed horizontally or obliquely on the shelf, so that the addressed consumer from above can view the bag loaf packed in the bag.
- the cellulose-containing material is recessed in at least one lateral region of the bag.
- This embodiment is particularly advantageous for the sale of sandwiches occupied, baguette and the like, since the side of the interruption of the layer of pulp-containing material, the covering of the roll or baguette is promotional promotional recognizable. Nevertheless, each of the freshness-preserving effect is maintained.
- Fig. 1 shows an embodiment of the bag 1 according to the invention made of a composite material.
- the composite material consists in the embodiment shown of an outer layer Cellulose with a specific weight of about 30 g / m 2 and an inner, about 8 ⁇ m thick layer of LDPE.
- the LDPE layer is applied directly from a blown film extruder on the cellulose layer and adhered and / or glued by selective pressing of the extruded LDPE layer to the cellulose layer during the coating.
- the bag consists of a multiply folded rectangular sheet of composite material that is folded several times in the longitudinal direction so that the LDPE layer forms the inner layer of the bag.
- the inner LDPE layer is thermally sealed at the adjacent free ends of the sheet in the longitudinal direction so that the bag has a seam in the longitudinal direction. Due to the seal, the cellulose layer in the area of the seam is firmly connected to the underlying LDPE layer.
- the superimposed composite material on the bottom side of the bag is wrapped with a double seam into each other and the superimposed by folding outer sides of the composite material are glued together.
- the bag has a regular perforation, which is formed by arranged in different parallel rows holes with a diameter of about 1 mm and a distance of about 15 mm, the rows have a distance of about 15 mm to each other.
- the production of the bag is preferably carried out according to an in-line method.
- the perforation is either applied to the composite prior to processing to the bag with a needle roller, or the bag made from the composite is directly rolled.
- a tubular bag can be carried out so that first a layer of composite material and a layer of composite material is cut with an interruption of the first layer. The two layers are then placed on top of each other and at three outer edges welded together. Due to the interruption of the first layer in the one layer of composite material then results in a bag with viewing window. Alternatively, there is one layer of composite material and the other layer only of the second layer. In this case you get a bag with a viewing window, which occupies 1 ⁇ 2 of the total bag surface.
- the bag 1 has in its central region 2 a strip-shaped interruption of the outer layer of cellulose, so that in this region 2, the wall of the bag is formed only by the LDPE layer. Since the LDPE layer is transparent, this central region 2 thus acts as a viewing window.
- the interruption of the cellulose layer can be realized in the manufacture of the composite material by selecting the widths of the cellulose and LDPE layers fixed to each other with a gluing process.
- the outer layer of cellulose may also be interrupted in one or more of the lateral regions 3 in order to attach lateral viewing windows to the bag 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Wrappers (AREA)
- Packages (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Laminated Bodies (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
Claims (5)
- Sachet pour l'emballage des aliments, spécialement pain, petits pains, et snacks, d'une matière mixte avec au moins une première couche d'une matière à teneur riche en cellulose et avec une seconde couche en matière plastique, où la seconde couche présente une épaisseur de 6 à 20 µm, et où la matière mixte est perforée, caractérisé en ce que, la première couche présente un poids spécifique de 15 à 50 g/m2, de préférence de 15 à 40 g/m2, et que le rapport entre la surface ouverte et la surface totale de la matière mixte est entre 1/50 et 1/250, et la première couche de la matière à teneur riche en cellulose est interrompue dans au moins une zone (2, 3) pour réaliser un regard, où le regard est perforé et le regard occupe entre 1/3 et ½ de la surface totale du sachet.
- Sachet selon la revendication 1, caractérisé en ce que, la zone est formée en essence de forme rectangulaire, circulaire, elliptique ou de bande.
- Sachet selon la revendication 1 ou 2, caractérisé en ce que, la zone est disposée en essence au milieu du sachet.
- Sachet selon l'une des revendications 1 à 3, caractérisé en ce que, la zone est disposée au moins sur l'une des côtés du sachet.
- Sachet selon la revendication 1, caractérisé en ce que, le regard est en forme de bande.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20108128U DE20108128U1 (de) | 2001-05-14 | 2001-05-14 | Tüte für Lebensmittel mit Sichtfenster |
DE20108128U | 2001-05-14 | ||
PCT/EP2001/015373 WO2002092448A1 (fr) | 2001-05-14 | 2001-12-31 | Sachet alimentaire comportant un regard |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1390267A1 EP1390267A1 (fr) | 2004-02-25 |
EP1390267B1 true EP1390267B1 (fr) | 2006-08-09 |
Family
ID=7956878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01986944A Expired - Lifetime EP1390267B1 (fr) | 2001-05-14 | 2001-12-31 | Sachet alimentaire comportant un regard |
Country Status (13)
Country | Link |
---|---|
US (1) | US6988829B2 (fr) |
EP (1) | EP1390267B1 (fr) |
JP (1) | JP4359869B2 (fr) |
CN (1) | CN1318271C (fr) |
AT (1) | ATE335676T1 (fr) |
CA (1) | CA2447250C (fr) |
DE (2) | DE20108128U1 (fr) |
ES (1) | ES2271096T3 (fr) |
MX (1) | MXPA03010378A (fr) |
NO (1) | NO327284B1 (fr) |
RU (1) | RU2003136071A (fr) |
WO (1) | WO2002092448A1 (fr) |
ZA (1) | ZA200308836B (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050269386A1 (en) * | 2004-05-28 | 2005-12-08 | Packaging Dynamics Operating Company | Food wrap |
GB2418655B (en) * | 2004-10-01 | 2008-03-19 | Freshway Foods Ltd | Packaging for foodstuffs |
US20060216382A1 (en) * | 2005-03-23 | 2006-09-28 | Santa Cruz Cathy D | Container and process for prolonging the edible lifespan of a food product |
DE102005016476A1 (de) * | 2005-04-08 | 2006-10-12 | Reuther Verpackung Gmbh | Fensterbeutel sowie Verfahren zu dessen Herstellung |
CN101077973B (zh) | 2006-05-26 | 2010-09-29 | 大连路明发光科技股份有限公司 | 硅酸盐荧光材料及其制造方法以及使用其的发光装置 |
CA2869788C (fr) * | 2006-07-12 | 2016-07-05 | Genpak Lp | Film d'emballage en rouleaux avec fenetres |
DE102006040921A1 (de) * | 2006-08-31 | 2008-03-13 | Papier-Mettler Inhaber Michael Mettler | Verbundpapier sowie Beutel für Lebensmittel, insbesondere für vorgebackene Backwaren, enthaltend das Verbundpapier, und ein Verfahren zur Herstellung des Beutels |
US20090071850A1 (en) * | 2007-09-18 | 2009-03-19 | Little Caesar Enterprises, Inc. | Packaging For Pizza |
US20090310891A1 (en) * | 2008-06-13 | 2009-12-17 | Zenith Specialty Bag Co., Inc. | Food package and method of making same |
EP2373555A4 (fr) * | 2008-12-12 | 2014-11-12 | Gen Mills Marketing Inc | Produits alimentaires à base de pâte ou de pâte à frire précuits, surgelés et emballés, et procédés |
US20100237068A1 (en) * | 2009-03-17 | 2010-09-23 | Rubbermaid Incorporated | Container With In-Molded Exposed Panel |
CA2746906A1 (fr) * | 2011-07-20 | 2013-01-20 | Sacs Industriels Inc. | Sac pour commande au comptoir |
DE102013100131A1 (de) * | 2013-01-08 | 2014-07-10 | Windmöller & Hölscher Kg | Verfahren zum Herstellen von Säcken |
CN103879027B (zh) * | 2014-04-14 | 2016-05-11 | 张丹红 | 底部45度角粘合袋口预折痕尖底淋膜纸袋生产工艺 |
CN103935072B (zh) * | 2014-04-14 | 2016-06-01 | 梁仙芳 | M夹边尖底淋膜预折痕导向纸袋的加工方法 |
WO2021041827A1 (fr) | 2019-08-29 | 2021-03-04 | The Paper People LLC | Sac en papier recyclable compostable |
BR202020003666U2 (pt) * | 2020-02-20 | 2021-08-31 | Frederico Hygino De Oliveira Neto | Embalagem com visor transparente para acondicionar alimentos agrícolas |
USD966903S1 (en) * | 2020-12-10 | 2022-10-18 | Leftcoast Innovations Llc | Retail packaging for consumable products |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE477573A (fr) * | ||||
US1770865A (en) * | 1928-04-11 | 1930-07-15 | Thomas M Royal | Method of manufacturing bags |
US1868069A (en) * | 1931-07-16 | 1932-07-19 | Munson John Mitchell | Composite bag |
US2158755A (en) * | 1936-09-16 | 1939-05-16 | Theodore A Hodgdon | Laminated sheet material for use in making paper bags or wrappers |
BE477473A (fr) | 1941-05-27 | |||
US2745593A (en) * | 1952-10-02 | 1956-05-15 | Bemis Bro Bag Co | Bag |
US3038651A (en) * | 1961-02-23 | 1962-06-12 | L I Snodgrass Company | Lined bag |
FR1441107A (fr) * | 1965-07-20 | 1966-06-03 | Reuther Papierwerk Gmbh P | Sac d'emballage à fond en croix ou fond plat |
CA2050145A1 (fr) * | 1991-08-28 | 1993-03-01 | Daniel Beliveau | Sac en plastique perfore pour emballage de fruits et legumes |
KR950701291A (ko) * | 1992-04-27 | 1995-03-23 | 리챠드 지. 워터맨 | 미세천공된 필름 및 이로부터 제조된 포장백 |
DE19712052C2 (de) | 1997-03-23 | 1999-04-01 | Moeller Karl Heinz | Tüte für Lebensmittel |
US6033114A (en) * | 1998-01-20 | 2000-03-07 | Bagcraft Packaging, L.L.C. | Window bag with polyester lining and method of forming same |
DE29812038U1 (de) * | 1998-03-14 | 1998-09-24 | Möller, Karl-Heinz, 65191 Wiesbaden | Tüte für Lebensmittel |
-
2001
- 2001-05-14 DE DE20108128U patent/DE20108128U1/de not_active Expired - Lifetime
- 2001-12-31 AT AT01986944T patent/ATE335676T1/de active
- 2001-12-31 DE DE50110726T patent/DE50110726D1/de not_active Expired - Lifetime
- 2001-12-31 RU RU2003136071/12A patent/RU2003136071A/ru not_active Application Discontinuation
- 2001-12-31 MX MXPA03010378A patent/MXPA03010378A/es active IP Right Grant
- 2001-12-31 WO PCT/EP2001/015373 patent/WO2002092448A1/fr active IP Right Grant
- 2001-12-31 CA CA002447250A patent/CA2447250C/fr not_active Expired - Lifetime
- 2001-12-31 EP EP01986944A patent/EP1390267B1/fr not_active Expired - Lifetime
- 2001-12-31 JP JP2002589354A patent/JP4359869B2/ja not_active Expired - Fee Related
- 2001-12-31 ES ES01986944T patent/ES2271096T3/es not_active Expired - Lifetime
- 2001-12-31 CN CNB018232515A patent/CN1318271C/zh not_active Expired - Fee Related
-
2003
- 2003-11-07 NO NO20034953A patent/NO327284B1/no not_active IP Right Cessation
- 2003-11-12 US US10/706,310 patent/US6988829B2/en not_active Expired - Lifetime
- 2003-11-13 ZA ZA2003/08836A patent/ZA200308836B/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP4359869B2 (ja) | 2009-11-11 |
NO20034953D0 (no) | 2003-11-07 |
EP1390267A1 (fr) | 2004-02-25 |
ZA200308836B (en) | 2005-06-29 |
ATE335676T1 (de) | 2006-09-15 |
CN1507403A (zh) | 2004-06-23 |
NO327284B1 (no) | 2009-06-02 |
DE50110726D1 (de) | 2006-09-21 |
CA2447250A1 (fr) | 2002-11-21 |
RU2003136071A (ru) | 2004-11-20 |
US20040146225A1 (en) | 2004-07-29 |
WO2002092448A1 (fr) | 2002-11-21 |
ES2271096T3 (es) | 2007-04-16 |
CA2447250C (fr) | 2007-11-06 |
CN1318271C (zh) | 2007-05-30 |
MXPA03010378A (es) | 2005-08-16 |
DE20108128U1 (de) | 2001-08-02 |
JP2004535335A (ja) | 2004-11-25 |
US6988829B2 (en) | 2006-01-24 |
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