EP2078682B1 - Plastic net bag - Google Patents

Plastic net bag Download PDF

Info

Publication number: EP2078682B1
Authority: EP; European Patent Office
Prior art keywords: bag; mesh; fact; preferentially; plastic net
Prior art date: 2008-01-10
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.): Active

Application number

EP08380250A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2078682A1 (en

Inventor

Agustín Dauder Ferrer

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.)

Talleres Daumar SA

Original Assignee

Talleres Daumar SA

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.)

2008-01-10

Filing date

2008-08-14

Publication date

2011-02-16

2008-01-10 Priority claimed from ES200800049A external-priority patent/ES2338081B1/es

2008-08-05 Priority claimed from ES200802342A external-priority patent/ES2352496B1/es

2008-08-14 Application filed by Talleres Daumar SA filed Critical Talleres Daumar SA

2008-08-14 Priority to PL08380250T priority Critical patent/PL2078682T3/pl

2009-07-15 Publication of EP2078682A1 publication Critical patent/EP2078682A1/en

2011-02-16 Application granted granted Critical

2011-02-16 Publication of EP2078682B1 publication Critical patent/EP2078682B1/en

Status Active legal-status Critical Current

2028-08-14 Anticipated expiration legal-status Critical

Links

229920003023 plastic Polymers 0.000 title claims abstract description 31
239000004033 plastic Substances 0.000 title claims abstract description 31
239000000463 material Substances 0.000 claims abstract description 24
238000003466 welding Methods 0.000 claims description 18
-1 polyethylene Polymers 0.000 claims description 10
239000004743 Polypropylene Substances 0.000 claims description 8
229920001155 polypropylene Polymers 0.000 claims description 8
238000007789 sealing Methods 0.000 claims description 5
239000004698 Polyethylene Substances 0.000 claims description 4
DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 4
239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
230000004927 fusion Effects 0.000 claims description 4
229920001684 low density polyethylene Polymers 0.000 claims description 4
239000004702 low-density polyethylene Substances 0.000 claims description 4
229920001179 medium density polyethylene Polymers 0.000 claims description 4
239000004701 medium-density polyethylene Substances 0.000 claims description 4
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
229920000573 polyethylene Polymers 0.000 claims description 4
229920000098 polyolefin Polymers 0.000 claims description 4
229920001169 thermoplastic Polymers 0.000 claims description 4
239000004416 thermosoftening plastic Substances 0.000 claims description 4
235000013305 food Nutrition 0.000 claims description 2
235000012055 fruits and vegetables Nutrition 0.000 claims description 2
238000012856 packing Methods 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 2
239000002184 metal Substances 0.000 description 2
238000004064 recycling Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
230000007547 defect Effects 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000007689 inspection Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
235000016709 nutrition Nutrition 0.000 description 1
239000002985 plastic film Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
229920002994 synthetic fiber Polymers 0.000 description 1
230000005068 transpiration Effects 0.000 description 1
230000000007 visual effect 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
- B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
- B65D29/04—Net-like containers made of plastics material
- 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
- B65D33/06—Handles

Definitions

this invention refers to an enhanced plastic net bag.
the object of the invention is a bag, of the type composed of a tubular element made of plastic material in the form of a netted element, such as woven, extruded or similar mesh, with lateral sheets also made of plastic and united to it by heat sealing, which is intended primarily for the commercialization of different food products, especially fruit and vegetables, because, unlike other conventional plastic bags, it permits product transpiration and visual, tactile and olfactory inspection. It presents the particularity of including a single plastic sheet arranged along the tubular element and attached to it at the ends by areas of heat welding, with this sheet conforming the closure of the tubular element, such that the bag is composed solely of plastic elements, which in turn is more economical as less amount of material is used to manufacture it.
metal staples are also known, and widely used, to close tubular netted materials of the woven or extruded tubular mesh type at their ends, in order to conform a container body of a certain length and diameter and, eventually, to attach a label, ribbon or tape type support for the printed information.
handles are formed by a tape of a plastic compound that, additionally, is united by heat welding to the other components at one of the ends or openings of the bags.
the incorporation of these handles means that the packing machines must be provided with the necessary means to obtain and incorporate them into the bags, with the complexity that this entails; they also represent a further increase in the amount of plastic material used to make the bags, with the resulting increase in their production and recycling costs.
the laminar strip is located on the exterior of this fold that encompasses both elements - the strip and the mesh - and the mesh is located on its interior and fully gathered within the width of the strip.
this does not entail a limitation, since these relative positions of the strip and the mesh can be altered depending on the specific preferences or needs of some cases.
the weight of the bag's component material is less than what it would be if it had two laminar strips all along its length. Since the mesh tube is also folded in the area of the welds, a high resistance of these welds is obtained, even when using narrower sheets than other known bags of this type.
the described configuration of the bag of the invention in which the single laminar element is arranged along it and united only to its ends, facilitates its advantageous use as a handle to hold and carry the bag, since the welds of this laminar element with the tubular mesh body of the bag are, as described above, sufficiently resistant to withstand the weight of the product contained in the bags for their intended use.
these cuts are provided in the center of the folds that close the openings of the bag and are oriented perpendicularly to the folded axis of them, without this entailing a limitation since they can be shifted with respect to this center and have different orientations, e.g. oblique, without affecting their functionality.
the new enhanced plastic net bag therefore represents an innovative structure of structural and constitutional characteristics previously unknown for this purpose; these reasons, together with its practical utility, provide sufficient grounds to obtain the requested privilege of exclusivity.
the bag (1) that is the object of this invention is composed of a tubular body (2) of woven mesh, made of a plastic material, and a laminar strip (5) also made of plastic material, with the particularity that the closures (3 and 4) of the ends of the bag (1) are formed by an enveloping association between the tubular body (2) of mesh and the ends of a laminar strip (5), such that both the strip (5) and the mesh (2) conform a fold over themselves, where the sum of the materials included in this fold are the ones involved in the heat welded closure of the closures (3 and 4) of the bag.
These heat welds (6 and 7) are preferentially arranged transversally to the longitudinal axis of the bag (1), forming either a continuous line or else one of discontinuous sections that extend along the width of the sheet (5) and are composed of the fused mass provided by the two layers of the sheet (8 and 8') and the two layers of the tubular mesh (9 and 9'), as seen in figure 3 .
the laminar strip (5) is located on the exterior of the fold that encompasses the strip and the mesh, and the tubular mesh element (2) is located on the interior of this fold and is fully gathered within the width of the laminar strip (5), although these relative positions of the strip and the mesh can be altered as necessary.
the beginning of the lines of heat welding (6 and 7), at the points more towards the ends of the bag, is located at a distance (L3) of between 5 mm. and 50 mm., and more preferentially between 10 mm. and 20 mm., from the book folded point (10 and 11) of the sheet and the mesh.
This same distance (L3) is the one that the fold of both components has without having any type of union between them.
this section (L4) is seen in which the sheet (5) and the mesh (2) coming out of the welded fold are free and without any union between them.
This section (L4) may vary from being non-existent up to a maximum length of 50 mm. In a preferential execution, this section (L4) has a length ranging from 10 mm. to 20 mm.
the component material of the tubular mesh body (2) that forms the body is a thermoplastic that enables welding by fusion to the laminar strip (5), preferentially of the group of polyolefins (polyethylene, polypropylene, ethylenevinylacetate, etc.), and more preferentially medium density polyethylene (MDPE).
a thermoplastic that enables welding by fusion to the laminar strip (5)
preferentially of the group of polyolefins polyethylene, polypropylene, ethylenevinylacetate, etc.
MDPE medium density polyethylene
the component material of the laminar strip (5) that is welded to the ends or openings of the bag is also a thermoplastic, which enables welding by fusion to the tubular mesh body (2); it is preferentially of the group of polyolefins (polyethylene, polypropylene, ethylenevinylacetate, etc.), and more preferentially it is a laminar complex with an exterior layer (12 and 12'), more removed from the fused mass that forms the weld, of polypropylene (PP), and an interior layer (13 and 13') that conforms the fused mass of the weld together with the mesh material, of low density polyethylene (LDPE).
LDPE low density polyethylene
cuts (20) are preferentially provided in the center of the folds that close the closures (3 and 4) of the bag and are oriented perpendicularly to the folded axis of them, without this entailing a limitation since they can be shifted with respect to this center and have different orientations, e.g. oblique, without affecting their functionality.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bag Frames (AREA)
Making Paper Articles (AREA)
Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Chair Legs, Seat Parts, And Backrests (AREA)
Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
Outer Garments And Coats (AREA)
Prostheses (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

EP08380250A 2008-01-10 2008-08-14 Plastic net bag Active EP2078682B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL08380250T PL2078682T3 (pl)	2008-01-10	2008-08-14	Torba siatkowa z tworzywa sztucznego

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ES200800049A ES2338081B1 (es)	2008-01-10	2008-01-10	Bolsa reticular perfeccionada.
ES200802342A ES2352496B1 (es)	2008-08-05	2008-08-05	Perfeccionamientos en el objeto de la patente n. p20080009 por: bolsa reticular perfeccionada.

Publications (2)

Publication Number	Publication Date
EP2078682A1 EP2078682A1 (en)	2009-07-15
EP2078682B1 true EP2078682B1 (en)	2011-02-16

Family

ID=40547350

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08380250A Active EP2078682B1 (en)	2008-01-10	2008-08-14	Plastic net bag

Country Status (8)

Country	Link
US (1)	US20090180717A1 (pl)
EP (1)	EP2078682B1 (pl)
AT (1)	ATE498558T1 (pl)
DE (1)	DE602008004984D1 (pl)
HR (1)	HRP20110323T1 (pl)
PL (1)	PL2078682T3 (pl)
PT (1)	PT2078682E (pl)
RU (1)	RU2489333C2 (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5100539B2 (ja) *	2008-07-04	2012-12-19	株式会社モンベル	収納袋
ES2354665B1 (es) *	2009-04-02	2012-01-23	Girnet Internacional, S.L	Bolsa para el envasado de productos.
AT508982B1 (de) *	2009-11-02	2013-03-15	Herwig Worff	Verfahren zum verschliessen eines sackkörpers
ES1072256Y (es) *	2010-04-09	2010-09-10	Girnet Internac S L	"tira para la formacion de asas o etiquetas para bolsas de productos hortofruticolas"
JP5619268B1 (ja) *	2013-12-26	2014-11-05	トタニ技研工業株式会社	製袋機
US20160288975A1 (en) *	2015-03-30	2016-10-06	David John	Bag, Especially Suitable for Dry, Flowable Materials, With Attached Carrying Strap
US10159224B1 (en) *	2017-05-30	2018-12-25	Richard P. Horrigan	Disposable bird feeder with onboard suspension means
US10875683B2 (en) *	2017-07-03	2020-12-29	JX Nippon ANCI, Inc.	Bag with multi-layer seam structure
KR200492561Y1 (ko) *	2019-02-01	2020-11-04	퍼니피쉬(주)	네트형 캐리어
EP4151400B1 (en) *	2021-09-15	2024-01-24	Girnet Internacional, S.L.	Roll-up band and use of the same for manufacturing mesh bags

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2020300A (en) *	1931-01-09	1935-11-12	Bagpak Inc	Bag and method of making same
US3254829A (en) *	1964-06-30	1966-06-07	United Shoe Machinery Corp	Sealing of thermoplastic containers
US3339825A (en) *	1965-12-08	1967-09-05	Doughboy Ind Inc	Bag
US3663239A (en) *	1969-04-07	1972-05-16	Nabisco Inc	Toaster packages having four spouts
US3741778A (en) *	1971-03-09	1973-06-26	Nabisco Inc	Package with self-contained handle for storing and heating food and method of forming same
DE2636821A1 (de) *	1976-08-16	1978-02-23	Kunichika Takasaki	Verpackungsbeutel fuer fruechte oder gemuese sowie verfahren und vorrichtung zu seiner herstellung
US4207983A (en) *	1977-12-14	1980-06-17	Bemis Company, Inc.	Packeting net bags
ES252817Y (es) *	1980-09-06	1981-05-16		Envase perfeccionado
US4403637A (en) *	1981-09-21	1983-09-13	Rivelles Sabater Maria D	Reinforced flexible container
US4555804A (en) *	1984-07-12	1985-11-26	Twinpak, Inc.	Pouch handle
FR2584651B1 (fr) *	1985-07-11	1988-04-22	Hureau Jean	Procede et dispositif pour la realisation de films a parois ajourees
RU2043260C1 (ru) *	1992-05-22	1995-09-10	Юрий Васильевич Пименов	Мешок
ES1027615Y (es)	1994-04-14	1995-06-16	Olaechea Rosalina Paniagua	Bolsa de malla, com asa, para productos hortifruticolas.
US5823683A (en) *	1995-10-23	1998-10-20	Amoco Corporation	Self-seaming produce bag
JP3516539B2 (ja) *	1995-10-25	2004-04-05	富士写真フイルム株式会社	包装袋
DE69617939T2 (de) *	1996-07-31	2002-08-14	Olaechea Rosalina Paniagua	Verfahren für das Verschliessen von schlauchförmigen Beuteln für Obst- oder Gemüseprodukte
US5912197A (en) *	1997-08-21	1999-06-15	C & H Packaging Company, Inc.	Thermal sealable plastic mesh web for automatic form, fill and seal machine
DE69815129T2 (de) *	1997-09-22	2004-04-08	Atlanta Nisseki Claf, Inc.	Offenmaschiger beutel und herstellungsverfahren
US6506429B1 (en) *	2000-01-11	2003-01-14	Michael J. Recchia, Jr.	Bag with mesh wall
US6461041B1 (en) *	2000-02-15	2002-10-08	Ebrahim Simhaee	Gussetted plastic bag
CN1703352B (zh) *	2002-03-15	2010-06-23	栗田工业株式会社	柔软性容器及其形成方法、柔软性容器的开封导向装置、向柔软性容器封入液体的方法及液体
US7837388B1 (en) *	2003-05-09	2010-11-23	Plaspack Usa, Inc.	Multi-material vertical form, fill and seal bag
US8104959B2 (en) *	2003-09-09	2012-01-31	Cargill, Incorporated	Multi-handled sealed bag
EP1886930A1 (en) *	2006-08-11	2008-02-13	Itaueira Agropecuaria S/A	Net for fruit packaging comprising an imprinted handle

2008
- 2008-08-14 DE DE602008004984T patent/DE602008004984D1/de active Active
- 2008-08-14 EP EP08380250A patent/EP2078682B1/en active Active
- 2008-08-14 PT PT08380250T patent/PT2078682E/pt unknown
- 2008-08-14 PL PL08380250T patent/PL2078682T3/pl unknown
- 2008-08-14 AT AT08380250T patent/ATE498558T1/de active
- 2008-12-05 US US12/329,241 patent/US20090180717A1/en not_active Abandoned
- 2008-12-29 RU RU2008152030/12A patent/RU2489333C2/ru not_active IP Right Cessation
2011
- 2011-05-03 HR HR20110323T patent/HRP20110323T1/hr unknown

Also Published As

Publication number	Publication date
US20090180717A1 (en)	2009-07-16
PL2078682T3 (pl)	2011-07-29
HRP20110323T1 (hr)	2011-06-30
DE602008004984D1 (de)	2011-03-31
RU2008152030A (ru)	2010-07-10
ATE498558T1 (de)	2011-03-15
EP2078682A1 (en)	2009-07-15
PT2078682E (pt)	2011-05-11
RU2489333C2 (ru)	2013-08-10

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