EP2684814A2 - Sac d'aération doté d'une poche d'aération - Google Patents

Sac d'aération doté d'une poche d'aération Download PDF

Info

Publication number: EP2684814A2
Authority: EP; European Patent Office
Prior art keywords: bag; valve; tabs; glued; filling
Prior art date: 2013-06-19
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.): Granted

Application number

EP13188353.0A

Other languages

German (de)

English (en)

Other versions

EP2684814A3 (fr

EP2684814B1 (fr

Inventor

Michael Bendt

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.)

Papiersackfabrik Tenax GmbH and Co KG

Original Assignee

Papiersackfabrik Tenax GmbH and Co KG

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.)

2013-06-19

Filing date

2013-10-11

Publication date

2014-01-15

2013-10-11 Application filed by Papiersackfabrik Tenax GmbH and Co KG filed Critical Papiersackfabrik Tenax GmbH and Co KG

2013-10-11 Priority to PL13188353T priority Critical patent/PL2684814T3/pl

2014-01-15 Publication of EP2684814A2 publication Critical patent/EP2684814A2/fr

2015-07-29 Publication of EP2684814A3 publication Critical patent/EP2684814A3/fr

2019-05-01 Application granted granted Critical

2019-05-01 Publication of EP2684814B1 publication Critical patent/EP2684814B1/fr

Status Active legal-status Critical Current

2033-10-11 Anticipated expiration legal-status Critical

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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
- B65D33/01—Ventilation or drainage of bags
- 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
- B65D31/14—Valve bags, i.e. with valves for filling
- B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms

Definitions

the present invention relates to a valve bag with vent pocket.
venting devices in the form of a pocket, which is directed into the interior of the bag, and has an opening to the outside of the bag.
the inward bag reduces the filling volume of the bag.
these pockets are compressed and thereby the ventilation surface is reduced and the planned vent no longer guaranteed.
the material of the inward-facing pocket can also be damaged by sharp or angular filler.
the present invention has now taken on the task of overcoming the disadvantages resulting from the prior art.
valve bag with side walls and a bottom, which is a hose-shaped filling device and at least one venting device, the venting device being in the form of a bag having an opening which connects to the interior of the bag and a side facing away from the opening which provides a filler-impermeable and air and / or gas permeable connection to the bag exterior.
valve bag according to the invention is a cross-bottom bag, preferably made of paper.
the filling device comprises a thermo-valve. It is a valve, which is coated with plastic, so that after filling the paper bag, this can be thermally sealed.
the filling device comprises a thermo-outward valve, that is, this protrudes outward with respect to the ground impact (side impact) and / or the tabs.
the ventilation device is designed as a pocket-shaped venting chamber or venting pocket.
the venting chamber is completely or almost completely formed by a piece of air-permeable material, which is preferably referred to as a piece of paper, which ensures only the passage of air or other similar gaseous substances. An escape of the filler is not possible. The note is thus filler-impermeable.
the pocket-shaped configuration that forms a pocket-shaped chamber.
This pocket-shaped configuration has an opening to the bag interior and is closed to the outside of the bag. Through the opening, the air or gas escapes from the interior of the bag first into the pocket of the venting device and then via the preferably not further connected to other elements of the valve bag portion of the air and / or gas-permeable material (ie corresponds to a bottom pocket) in the surrounding The atmosphere.
the term "pocket” is defined as a space enclosed on all sides, preferably with an opening which establishes a connection to the interior of the bag.
a connection to the interior of the bag is preferably produced by the fact that the pocket opening points directly into the bag interior, ie barrier-free with the bag interior is directly connected. It is also conceivable, however, a tubular connection which closes positively with the bag and leads into the bag interior and can be made of any material.
the pocket opening can also be provided with a sieve-like structure which prevents the penetration of filler into the pocket. Such a solution can also be achieved, for example, by means of a plurality of pocket openings which point into the interior of the bag.
the air or gas escapes from the interior of the bag first into the chamber and then through the side facing away from the opening of the air and / or gas-permeable bag in the surrounding atmosphere.
the venting device in the form of an open to the bag interior pocket, which is preferably arranged between the bottom fitting and the two tabs.
the venting device is impermeable to the ground impact and the tabs, preferably glued.
the venting device is formed entirely or almost entirely from a rectangular, air- and / or gas-permeable material, referred to as a label or filter, which merely ensures the passage of air or other similar gaseous substances.
a label or filter As an air- and / or gas-permeable material, paper is used in an alternative with an air permeability of up to 6 seconds as measured by Gurley and as determined in ISO 5636/5. It is also possible to use other air-permeable material made of paper, but also of plastics or other polymers.
high permeable, high porosity paper or fluors each having a basis weight: 60 to 90g; prefers filter paper and HP paper, each with a basis weight: 70 to 80g; particularly preferred are HP papers having an air permeability of up to 3 seconds measured according to Gurley and as determined in ISO 5636/5, with a weight per unit area of 70 g.
the air-permeable material has preferably a rectangular shape, preferably folded in the middle and is attached to the side flaps (flaps) of the bag, in particular glued.
the size of the slip of air-permeable material depends on the size of the tabs.
the label has a length of 10 to 29 cm, preferably 12 to 20 cm, particularly preferably 14 to 18 cm, in particular 10 cm.
the label has a width of 13 to 40 cm, preferably 16 to 29 cm, more preferably 18 to 26 cm, in particular 20 to 24 cm.
the folding takes place in the length of the note and can be symmetrical or asymmetrical.
a piece of paper for example, 10 cm in length and 13 cm in width, as stated above, is symmetrically folded so that the 13 cm edges lie on each other and the folded piece of paper has the dimensions of 5 x 13 cm.
the dimensions of the note depend in one embodiment on the dimensions of the tabs, i. the distance between label edge and tabs is from 0.1 to 5.0 cm, preferably 0.2 to 2.5 cm, particularly preferably 0.2 to 2.0 cm; 0.5 to 1.5 cm, in particular 1.0 cm.
the distance between the opening of the vent pocket and the edge of the side impact (ground impact) can also be zero.
the distance of the edge of the vent opening vent from the edge of the side impact (bottom impact) to the bag interior equal to the edge, preferably 2 cm in front of the edge of the ground impact to the outside of the bag out to 2 cm above the edge of the Bodeneneckeinschlagzum inside the bag.
the slip of air-permeable material closes with the edge of one or both tabs.
the piece of paper is folded parallel to the width as indicated above.
the venting device forms a bag.
the opening may extend over the entire length of the edges of the paper or only over a partial region, preferably in the middle.
the edge regions are then closed impermeable filler, preferably glued together.
the venting device is arranged so that the opening facing the interior of the bag, or is located in the bag interior. Furthermore, care must be taken that the edge of the upper and lower outer surfaces of the ventilation device are preferably completely connected to the bag elements, preferably glued. So the bulk material can not escape. Along the fold there is thus a non-bonded area through which air or gas can escape from the bag interior and thus serves as a filter.
the bonding of the venting bag is chosen so that the bonds from the rebate of the venting bag between 2 mm and 80 mm, preferably 3 mm to 60 mm, particularly preferably 4 mm to 50 mm, in particular 5 mm to 30 mm set back.
This creates when mounting the venting bag so for example when filling the bag, a non-bonded surface of 4 mm and 160 mm, preferably 6 mm to 120 mm, more preferably 8 mm to 100 mm, in particular 10 to 60 mm in height and the entire bag width ,
This non-bonded surface represents the filler impermeable and air and / or gas permeable connection to the bag exterior.
the filling device and the ventilation device are arranged one above the other, preferably the ventilation device is arranged between the filling device and the bottom impact.
the edge or a region of the surface of the filling device pointing into the interior of the bag is connected to the edge or a region of the surface of the ventilation device, preferably adhesively bonded. That is, the edge of the venting device is connected here with the filling device instead of the tabs or the folded area.
the other surface of the venting device is connected to the bottom impact and optionally with the tabs, preferably glued.
the two ends of the sheet, which forms the venting device are folded around the filling device and glued therebetween and tabs.
the distance between the opening of the venting pocket and the edge of the filling valve may also be zero.
At least one venting device is arranged in a corner fold which is located at the bag end, which has no filling device.
valve bag according to the invention comprises at least two venting devices.
a venting device is then in the corner fold, in which the filling device is to be found and another venting device, for example in any corner fold. Also possible are three or four vent pockets.
vent pocket or pockets according to the invention can be arranged in any corner folds.
vent pockets in the same corner fold one above the other or next to each other.
the folded sheet of the venting device is folded at the side edges perpendicular to the first fold, corresponding to the tabs of the valve bag. This second folding can also be done around the filling device or the valve or another venting bag.
the areas, at least the edges of these subregions of the sheet, are impermeable to one another, preferably adhesively bonded to one another and to the filling device or the valve or venting pocket and the flaps.
the filling device and the ventilation device are arranged in the same corner fold.
valve bag has no venting device of a different type than the venting bag according to the invention.
these are on the one side, above the filling device, with the filling device and optionally with the underlying slip of the air and / or gas-permeable material, and optionally in the region of the overlap, solid, impervious filler impervious, preferably glued or glued.
the folded parts of the air-permeable material are optionally firmly connected to one another at the edge of the filling device, preferably glued or glued.
the opposite side remains open, so that the venting bag according to the invention is formed.
valve bottom over the tabs can also be provided with an additional cover sheet.
connection preferably bonding to the cover sheet in the region of the inner flap with respect to the overlap, preferably not continuous to allow the air to escape through these adhesive-free areas.
an adhesion to the overlapping areas of the tabs is not required, but can take place. If the tabs do not overlap, the non-continuous connection is on any side.
the cover sheet is also firmly connected, preferably glued to the side facing the bag exterior surface of the filling and bag wall. This also causes a safe lifting of the bag bottom for automated opening of the valve for the filler neck.
the opposite side of the cover sheet is not connected to the bag. As a result, the vent chamber remains open and the air outlet is not hindered. On this page, the cover page can be shortened compared to the opposite side, so not symmetrical to the bag center.
the cover sheet has on one or both sides an envelope on the side walls which form the tabs.
cover sheet may have a longitudinal impact.
valve bag preferably paper bag
inventive design of the valve bag preferably paper bag has the advantage that optimal ventilation is ensured. Because only air or other, similar gaseous substances can pass through the air-permeable material.
the filter paper is protected by the airtight layer above it. Damage when handling the paper bag are thus largely prevented.
the arrangement of the ventilation device directly in the region of the filling hose has the advantage that an optimized ventilation is ensured, even in airtight bags. A filling of the paper bag is thus considerably easier.
adhesives for the bonding of the outwardly facing surface of the venting device conventional adhesives are used, for example, glue, starch adhesive, dispersion adhesive, etc.
the paper bag according to the invention contains a barrier layer.
This barrier layer is a foil or a coated material.
the film may consist of one or two or more webs extending parallel to each other from the top to the bottom of the bag.
One edge of a web can be attached to the inner or outer layer of paper, while each free edge can overlap a fixed edge.
the film may also be glued along the longitudinal seam, whereby the bag would be hermetically sealed.
valve bag lies on its longitudinal seam so that it is located in the right-hand side of the bag, as seen from above, the filling device and the venting device can be inserted at the top or bottom and left or right be.
the bags according to the invention are used for bulk goods, preferably fine-grained bulk material such as food, animal feed, gypsum, cement, granules, fertilizers, chemical precursors, etc., which are granulated, granulated, powdered or broken up as packaged goods.
fine-grained bulk material such as food, animal feed, gypsum, cement, granules, fertilizers, chemical precursors, etc.
the folded sheet and the tabs are glued or glued to the filler impermeable closing of the valve sack.
the filling valve is mounted on the folded sheet, the filling valve is glued or glued to the underlying surface of the sheet and then the folding of the flaps takes place together with label and filling valve.
the filling device projects on the one hand into the bag interior. On the other side with the filling opening 6, it can project beyond the edge of the bag, but preferably it closes off with the edge of the bag. Through this the bulk material enters the valve bag 1. As a result of the bulk process creates a bag with rectangular shaped wall parts 2 and 3.
the filling device with the filling opening 6 has the surface of the filling device 7 facing the outside of the bag.
the bag is closed by the bottom flap 8, 9 and the tabs 10, 11.
the two tabs 10 and 11 and the bottom lugs 8, 9 are formed from the walls 2, 3 of the bag.
the size of the two tabs 10 and 11 is designed such that they overlap in the edge regions with the side edges 12 and 13 in the folding preferably in the center of the top surface.
the folded along the fold 21 pieces of paper perpendicular thereto, along the lines 19 is folded identically with 28. Between the edge 223 and 24 and the fold 28, the connection of the two surfaces over the area defined by 29 takes place. Similarly, on the opposite side between fold 26 and edges 27 and 28. The opening 15 is thus between the two folds 28, which thus constitute the side edges of the bag.
the folded surfaces between the fold 28 and the edges 23 and 24 and between fold 28 and edges 26 and 27 are connected to the tabs, preferably glued.
the surface between the fold 28 and the edges 23 and 24 and between fold 28 and edges 26 and 27 can be impermeable to the top of the vent pocket, preferably glued, flat or punctiform.
the folding 28 takes place at the edge 30 of the filling opening 5, or a further venting pocket.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bag Frames (AREA)

EP13188353.0A 2013-06-19 2013-10-11 Sac d'aération doté d'une poche d'aération Active EP2684814B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL13188353T PL2684814T3 (pl)	2013-06-19	2013-10-11	Worek wentylowy z kieszenią odpowietrzającą

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE202013102644U DE202013102644U1 (de)	2013-06-19	2013-06-19	Ventilsack mit Entlüftungsvorrichtungen

Publications (3)

Publication Number	Publication Date
EP2684814A2 true EP2684814A2 (fr)	2014-01-15
EP2684814A3 EP2684814A3 (fr)	2015-07-29
EP2684814B1 EP2684814B1 (fr)	2019-05-01

Family

ID=49029967

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP13187963.7A Active EP2684813B1 (fr)	2013-06-19	2013-10-09	Sac d'aération doté de dispositifs d'aération
EP13188353.0A Active EP2684814B1 (fr)	2013-06-19	2013-10-11	Sac d'aération doté d'une poche d'aération

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP13187963.7A Active EP2684813B1 (fr)	2013-06-19	2013-10-09	Sac d'aération doté de dispositifs d'aération

Country Status (3)

Country	Link
EP (2)	EP2684813B1 (fr)
DE (2)	DE202013102644U1 (fr)
PL (2)	PL2684813T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202014100593U1 (de) *	2014-02-11	2014-06-10	Papiersackfabrik Tenax Gmbh & Co. Kg	Kreuzbodensack mit Tragegriff, Innenriegel und Aufreißstreifen
DE102015001206A1 (de) *	2015-01-29	2016-08-04	Mondi Ag	Behälter aus Papier, insbesondere Papiersack

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0060599A1 (fr)	1981-03-09	1982-09-22	Wavin B.V.	Sac en matière plastique comportant des moyens de ventilation
DE4140213A1 (de)	1991-12-06	1993-06-09	Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh, 5962 Drolshagen, De	Ventilsack mit entlueftungsventil
DE202007004838U1 (de)	2007-03-27	2007-05-31	Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh	Ventilsack

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1806333A1 (de)	1968-10-31	1970-05-14	Sachser Papierverarb	Sack aus Papier oder Kunststoff insbesondere Ventilsack
JPS5866359A (ja)	1981-09-28	1983-04-20	Fujitsu Ltd	半導体装置の製造方法
EP0367769A1 (fr)	1987-05-11	1990-05-16	Wavin B.V.	Sac a clapet ventile
DE9101210U1 (de) *	1991-02-02	1991-04-25	Bischof Und Klein Gmbh & Co, 4540 Lengerich	Kreuz- oder Klotzbodenventilsack
SE509957C2 (sv) *	1994-10-10	1999-03-29	Assidomaen Scandisack Asa	Förfarande för fyllning av en ventilsäck samt ventilsäck
EP0767105B1 (fr)	1995-10-02	1999-04-14	Korsnäs Wilhelmstal GmbH Papiersackfabriken	Sac à valve à fond croisé ventilé
DE202005004750U1 (de) *	2005-03-23	2006-07-27	Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh	Ventil für einen Papiersack
DE202010000042U1 (de) *	2010-01-14	2010-06-02	Papiersackfabrik Tenax Gmbh & Co. Kg	Ventilsack mit Entlüftungsvorrichtung

2013
- 2013-06-19 DE DE202013102644U patent/DE202013102644U1/de not_active Expired - Lifetime
- 2013-10-09 EP EP13187963.7A patent/EP2684813B1/fr active Active
- 2013-10-09 PL PL13187963T patent/PL2684813T3/pl unknown
- 2013-10-11 EP EP13188353.0A patent/EP2684814B1/fr active Active
- 2013-10-11 DE DE202013104610U patent/DE202013104610U1/de not_active Expired - Lifetime
- 2013-10-11 PL PL13188353T patent/PL2684814T3/pl unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0060599A1 (fr)	1981-03-09	1982-09-22	Wavin B.V.	Sac en matière plastique comportant des moyens de ventilation
DE4140213A1 (de)	1991-12-06	1993-06-09	Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh, 5962 Drolshagen, De	Ventilsack mit entlueftungsventil
DE202007004838U1 (de)	2007-03-27	2007-05-31	Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh	Ventilsack

Also Published As

Publication number	Publication date
PL2684814T3 (pl)	2019-12-31
EP2684813B1 (fr)	2018-05-09
EP2684814A3 (fr)	2015-07-29
EP2684813A2 (fr)	2014-01-15
EP2684814B1 (fr)	2019-05-01
EP2684813A3 (fr)	2015-07-29
DE202013104610U1 (de)	2013-12-06
PL2684813T3 (pl)	2018-11-30
DE202013102644U1 (de)	2013-07-24

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