EP0738227A1 - Excess pressure valve for packaging containers - Google Patents
Excess pressure valve for packaging containersInfo
- Publication number
- EP0738227A1 EP0738227A1 EP95935345A EP95935345A EP0738227A1 EP 0738227 A1 EP0738227 A1 EP 0738227A1 EP 95935345 A EP95935345 A EP 95935345A EP 95935345 A EP95935345 A EP 95935345A EP 0738227 A1 EP0738227 A1 EP 0738227A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pressure relief
- packaging container
- relief valve
- wall
- 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.)
- Granted
Links
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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/22—Details
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/22—Details
- B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
Definitions
- the invention is based on a pressure relief valve for packaging containers according to the preamble of claim 1.
- a pressure relief valve for packaging containers according to the preamble of claim 1.
- a pressure relief valve known from EP-A-00 23 703, for example, is fastened over a through hole.
- This pressure relief valve has a flexible valve membrane, which is glued with two parallel edge zones directly or indirectly to the packing wall, leaving a middle channel free.
- the packs have stick-on adhesive labels in which an alarm triggering device is arranged in the form of a signal strip. If such a label is not disarmed at the checkout, the signaling device controls an alarm device at the exit.
- the object of the invention is to equip coffee packs equipped with a pressure relief valve with an anti-theft device which is easy to attach. This object is achieved by the measure specified in the characterizing part of claim 1.
- the pressure relief valve according to the invention which is manufactured in large numbers, can be easily equipped with a known alarm triggering device during manufacture. This makes it possible to fasten the alarm triggering device together with the pressure relief valve in the package without the need for a further operation. There is also the advantage that the alarm device is inconspicuously connected to the packaging.
- FIG. 1 shows a bag pack with a pressure relief valve, simplified in a diagrammatic view
- FIG. 2 shows a first exemplary embodiment of a pressure relief valve in cross section
- FIG. 3 shows a second exemplary embodiment of a pressure relief valve with spacing strips in cross section
- FIG. 4 shows a third exemplary embodiment
- Pressure relief valve 10 fastened via a through hole 3 in the wall 2 of the packaging container 1.
- the pressure relief valve 10 has a plate-shaped flexible valve membrane 11, which by means of two strip-shaped adhesive layers 14, 15, preferably made of a pressure sensitive adhesive, covers the through hole 3 in the center on the outside of the wall on two parallel edge zones 12, 13 of the valve membrane 11 2 are attached.
- the middle, free zone 16 is lifted off the wall 2, so that gas from inside the packaging container
- Packaging container 1 can flow out through the channel formed between the central zone 16 and the region of the wall 2 covered by it.
- An alarm triggering device 5 is firmly connected to the valve membrane 11 on one of its edge zones 12 or 13 which are glued to the wall 2.
- the alarm triggering device 5 is in the form of a thin plate or a strip, which by means of a
- Adhesive layer 19 adheres to the membrane 11. In the vicinity of an interrogation device, the alarm triggering device 5 triggers an alarm if it has not been released beforehand.
- the alarm device 5 connected to the pressure relief valve 10 thus serves as an anti-theft device.
- the membrane 31 of the pressure relief valve 10 is not attached directly to the edge 2 of the packaging container, but with its edge zones 32, 33 by means of adhesive layers 34, 35 on an annular, rigid base plate 37 attached, which in turn is attached to the packing wall 2 by means of an adhesive layer 38.
- the middle adhesive-free Zone 36 of the valve membrane 31 lies sealingly on the base plate 27.
- both spacer strips 41, 42 are made by means of adhesive layers 43,
- the alarm trigger device 5 is by means of an adhesive layer
- the alarm triggering device 5 is embedded between a spacing strip 41 or 42 and the valve membrane 31.
- the Alarmausl ⁇ se raised 5 is structurally an electronic chip and preferably has the shape of a thin strip, so that it can be continuously incorporated into the valves 10 in the manufacture of the valves 10 by gluing and punching plastic strips in a continuous process.
- strip-shaped alarm triggering device 5 can also be integrated into other valve shapes which differ from the exemplary embodiments, but which are constructed from film strips.
- a liquid sealant for example silicone oil, can be arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Burglar Alarm Systems (AREA)
- Safety Valves (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4439591A DE4439591A1 (en) | 1994-11-05 | 1994-11-05 | Pressure relief valve for packaging containers |
DE4439591 | 1994-11-05 | ||
PCT/DE1995/001461 WO1996014255A1 (en) | 1994-11-05 | 1995-10-20 | Excess pressure valve for packaging containers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0738227A1 true EP0738227A1 (en) | 1996-10-23 |
EP0738227B1 EP0738227B1 (en) | 1998-09-02 |
Family
ID=6532594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95935345A Expired - Lifetime EP0738227B1 (en) | 1994-11-05 | 1995-10-20 | Excess pressure valve for packaging containers |
Country Status (8)
Country | Link |
---|---|
US (1) | US5782266A (en) |
EP (1) | EP0738227B1 (en) |
JP (1) | JPH09507819A (en) |
KR (1) | KR970702809A (en) |
CZ (1) | CZ289360B6 (en) |
DE (2) | DE4439591A1 (en) |
ES (1) | ES2121419T3 (en) |
WO (1) | WO1996014255A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006016594A1 (en) * | 2006-04-06 | 2007-10-18 | Tesa Ag | Pressure relief valve for a packaging container |
WO2011003831A1 (en) | 2009-07-10 | 2011-01-13 | Amcor Flexibles Transpac B.V.B.A. | Packaging material with integrated pressure relief valve |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3499669B2 (en) * | 1996-01-16 | 2004-02-23 | 株式会社平野屋物産 | Gas flow valve for container containing outgassing contents |
DE19653890B4 (en) * | 1996-12-21 | 2005-10-13 | Schreiner Etiketten Und Selbstklebetechnik Gmbh & Co. | label |
US7178555B2 (en) * | 2000-11-03 | 2007-02-20 | Plitek, Llc | Pressure relief valve |
SE521684C2 (en) * | 2001-04-30 | 2003-11-25 | Micvac Ab | Resealable one-way valve for food packaging |
DE10140854A1 (en) * | 2001-08-21 | 2003-03-06 | Bosch Gmbh Robert | Pressure relief valve for a packaging container and device for attaching the pressure relief valve to a material web |
US6662827B1 (en) | 2002-07-15 | 2003-12-16 | Sonoco Development, Inc. | Overpressure relief valve for packaging container |
US7074443B2 (en) * | 2002-11-19 | 2006-07-11 | Kraft Foods Holdings, Inc. | Vented can overcap |
US20040173626A1 (en) * | 2003-03-07 | 2004-09-09 | Jeor Bret De St | Pressure vacuum release hermetic valve for rigid container packages |
US7331715B2 (en) * | 2004-01-26 | 2008-02-19 | The Glad Products Company | Valve element |
US7726880B2 (en) * | 2004-06-29 | 2010-06-01 | The Glad Products Company | Flexible storage bag |
AR046175A1 (en) * | 2004-10-07 | 2005-11-30 | Celomat S A | A UNIDIRECTIONAL PRESSURE RELEASE VALVE APPLICABLE TO A CONTAINER CONTAINING A PRODUCT THAT ISSUING GASES, IN WHICH A FLUID HALF AND AN AIR BUBBLE COEXIST, AND A CONTAINER THAT INCLUDES THIS VALVE |
US7294354B2 (en) * | 2004-10-29 | 2007-11-13 | Sonoco Development, Inc. | Container with gas release feature |
DE102004061262A1 (en) * | 2004-12-20 | 2006-06-29 | Robert Bosch Gmbh | Pressure control valve for packing container e.g. packing bag, has base plate on which spacer layer is provided, and valve membrane on whose outer contour projection is provided to connect membrane and layer |
US7611557B2 (en) * | 2005-03-24 | 2009-11-03 | Plitek, Llc | Reversed pressure relief valve |
WO2006124591A1 (en) * | 2005-05-13 | 2006-11-23 | Chemtura Corporation | Moisture absorbent scavenger and vacuum relief device for chemical containers |
US7637283B2 (en) * | 2005-05-20 | 2009-12-29 | Plitek, L.L.C. | Pressure relief valve with stiff support |
DE102005062484A1 (en) * | 2005-12-27 | 2007-07-05 | Cofresco Frischhalteprodukte Gmbh & Co. Kg | Producing foil bag for keeping food fresh involves stamping double layered foil to make opening(s), closing opening(s) in first layer with valve seal, closing opening(s) in opposing second layer with foil section and/or second valve seal |
US9821528B2 (en) * | 2006-08-16 | 2017-11-21 | Plitek, L.L.C. | Method for lubricating pressure relief valves |
US20090026199A1 (en) * | 2007-07-27 | 2009-01-29 | Jeor Bret De | Pressure vacuum release hermetic valve for rigid container packages |
US20090169693A1 (en) * | 2007-12-27 | 2009-07-02 | Hoffman Karl K | Interior-mountable pressure relief valve |
US9340330B2 (en) | 2010-06-24 | 2016-05-17 | S. C. Johnson & Son, Inc. | Storage container lids |
US8636034B2 (en) | 2011-08-31 | 2014-01-28 | Plitek, L.L.C. | Oil-less and wetted pressure relief valves having an integrated filter |
US9187229B2 (en) * | 2011-08-31 | 2015-11-17 | Plitek, L.L.C. | Oil-less pressure relief valves |
US8783292B2 (en) * | 2011-08-31 | 2014-07-22 | Plitek, L.L.C. | Oil-less pressure relief valves |
US9446893B2 (en) * | 2012-04-29 | 2016-09-20 | Vp Sheets Ltd. | Sheet material with integrally formed one-way valve |
AU2014268072B2 (en) * | 2013-05-16 | 2015-12-24 | O2I Ltd. | Regulating apparatus for a pressure activated one-way valve |
US10384850B2 (en) | 2014-05-15 | 2019-08-20 | Panache Pantry | Articles and methods for improved packaging and storage of consumer products having an aroma |
US9758287B2 (en) | 2014-05-15 | 2017-09-12 | Panache Pantry | Compositions and methods for improved packaging and storage of dry foodstuffs |
US20180170645A1 (en) * | 2015-06-18 | 2018-06-21 | Ccl Label, Inc. | Pre-oiled valve |
US10358275B1 (en) | 2017-06-16 | 2019-07-23 | Plitek, L.L.C. | Pressure relief valve with a plural-part dry strap |
US10781023B2 (en) | 2018-01-15 | 2020-09-22 | LaserSharp FlexPak Services, LLC | Device for controlling gas, vapor, pressure within a package |
US10783805B2 (en) | 2018-01-15 | 2020-09-22 | LaserSharp FlexPak Services, LLC | Microchannel device for controlling gas, vapor, pressure within a package |
US11292654B2 (en) * | 2019-06-20 | 2022-04-05 | Sonoco Development, Inc. | Venting system for ovenable containers |
US11352183B2 (en) | 2020-03-05 | 2022-06-07 | Plitek, L.L.C. | Pressure relief valve with wetting fluid reservoirs |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2946502A (en) * | 1954-11-10 | 1960-07-26 | Melvin R Metzger | Valve-equipped containers |
US2927722A (en) * | 1954-11-10 | 1960-03-08 | Melvin R Metzger | Vacuum type valve-equipped containers |
IT989172B (en) * | 1973-06-14 | 1975-05-20 | Goglio Luigi | PROCEDURE FOR THE PACKAGING OF PRODUCTS IN CONTAINER AND CONTAINER FOR THE IMPLEMENTATION OF THE PROCEDURE |
US4134535A (en) * | 1976-06-04 | 1979-01-16 | Hag Aktiengesellschaft | Pressure relief valve for packing containers |
DE3526586A1 (en) * | 1985-07-25 | 1987-02-05 | Bosch Gmbh Robert | PACKAGING CONTAINER WITH RBER PRESSURE VALVE |
US4967185A (en) * | 1989-08-08 | 1990-10-30 | Minnesota Mining And Manufacturing Company | Multi-directionally responsive, dual-status, magnetic article surveillance marker having continuous keeper |
DE4129838A1 (en) * | 1991-02-16 | 1992-08-20 | Bosch Gmbh Robert | PRESSURE VALVE FOR PACKAGING CONTAINERS |
IT1248238B (en) * | 1991-06-18 | 1995-01-05 | Ica Spa | BREATHER VALVE. |
-
1994
- 1994-11-05 DE DE4439591A patent/DE4439591A1/en not_active Withdrawn
-
1995
- 1995-10-20 JP JP8514945A patent/JPH09507819A/en active Pending
- 1995-10-20 EP EP95935345A patent/EP0738227B1/en not_active Expired - Lifetime
- 1995-10-20 ES ES95935345T patent/ES2121419T3/en not_active Expired - Lifetime
- 1995-10-20 DE DE59503428T patent/DE59503428D1/en not_active Expired - Fee Related
- 1995-10-20 WO PCT/DE1995/001461 patent/WO1996014255A1/en active IP Right Grant
- 1995-10-20 CZ CZ19961960A patent/CZ289360B6/en unknown
-
1996
- 1996-07-04 KR KR1019960703604A patent/KR970702809A/en not_active Application Discontinuation
- 1996-09-06 US US08/669,373 patent/US5782266A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9614255A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006016594A1 (en) * | 2006-04-06 | 2007-10-18 | Tesa Ag | Pressure relief valve for a packaging container |
WO2011003831A1 (en) | 2009-07-10 | 2011-01-13 | Amcor Flexibles Transpac B.V.B.A. | Packaging material with integrated pressure relief valve |
Also Published As
Publication number | Publication date |
---|---|
ES2121419T3 (en) | 1998-11-16 |
DE59503428D1 (en) | 1998-10-08 |
WO1996014255A1 (en) | 1996-05-17 |
JPH09507819A (en) | 1997-08-12 |
DE4439591A1 (en) | 1996-05-09 |
CZ289360B6 (en) | 2002-01-16 |
US5782266A (en) | 1998-07-21 |
EP0738227B1 (en) | 1998-09-02 |
CZ196096A3 (en) | 1997-03-12 |
KR970702809A (en) | 1997-06-10 |
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