CA2829452C - Oil-less and wetted pressure relief valves having an integrated filter - Google Patents

Oil-less and wetted pressure relief valves having an integrated filter Download PDF

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Publication number
CA2829452C
CA2829452C CA2829452A CA2829452A CA2829452C CA 2829452 C CA2829452 C CA 2829452C CA 2829452 A CA2829452 A CA 2829452A CA 2829452 A CA2829452 A CA 2829452A CA 2829452 C CA2829452 C CA 2829452C
Authority
CA
Canada
Prior art keywords
layer
gas
pressure relief
relief valve
impervious
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.)
Active
Application number
CA2829452A
Other languages
English (en)
French (fr)
Other versions
CA2829452A1 (en
Inventor
Karl K. Hoffman
Keith P. Hoffman
Robert C. Larson
John Ozcomert
Douglas A. Wielunski
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.)
Plitek LLC
Original Assignee
Plitek LLC
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.)
Filing date
Publication date
Priority claimed from US13/648,072 external-priority patent/US8636034B2/en
Application filed by Plitek LLC filed Critical Plitek LLC
Publication of CA2829452A1 publication Critical patent/CA2829452A1/en
Application granted granted Critical
Publication of CA2829452C publication Critical patent/CA2829452C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Packages (AREA)
  • Check Valves (AREA)
  • Bag Frames (AREA)
CA2829452A 2012-10-09 2013-10-09 Oil-less and wetted pressure relief valves having an integrated filter Active CA2829452C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/648072 2012-10-09
US13/648,072 US8636034B2 (en) 2011-08-31 2012-10-09 Oil-less and wetted pressure relief valves having an integrated filter

Publications (2)

Publication Number Publication Date
CA2829452A1 CA2829452A1 (en) 2014-04-09
CA2829452C true CA2829452C (en) 2017-05-30

Family

ID=49447931

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2829452A Active CA2829452C (en) 2012-10-09 2013-10-09 Oil-less and wetted pressure relief valves having an integrated filter

Country Status (4)

Country Link
EP (1) EP2719637B1 (ja)
JP (1) JP2014076858A (ja)
CA (1) CA2829452C (ja)
ES (1) ES2601224T3 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6499125B2 (ja) * 2016-07-01 2019-04-10 シーレックス株式会社 ガス抜き弁、収容体および接着シート
JP6990195B2 (ja) * 2016-12-22 2022-01-12 日東電工株式会社 通気部材とこれを用いた通気筐体及び通気容器
CO2017005549A1 (es) * 2017-06-02 2017-08-18 Velez Juan Manuel Estrada Válvula para la desgasificación con control de presión positiva, métodos de fabricación de las mismas y empaques que las contienen
US10358275B1 (en) 2017-06-16 2019-07-23 Plitek, L.L.C. Pressure relief valve with a plural-part dry strap
TWI649238B (zh) * 2018-02-05 2019-02-01 川本國際包裝有限公司 包裝袋保鮮排氣閥結構
SE542898C2 (en) 2018-08-31 2020-08-18 Å&R Carton Lund Ab A composite container with separable top, a body blank, and a method of separating a top end portion from a main body of the container
SE544358C2 (en) 2019-07-02 2022-04-19 A & R Carton Lund Ab Method of producing a packaging container and a packaging container
DE102019214315A1 (de) * 2019-09-19 2021-03-25 Syntegon Technology Gmbh Ventil für einen Verpackungsbehälter
DE102019214317A1 (de) * 2019-09-19 2021-03-25 Syntegon Technology Gmbh Ventil für einen Verpackungsbehälter und Verfahren zu dessen Herstellung
US11352183B2 (en) 2020-03-05 2022-06-07 Plitek, L.L.C. Pressure relief valve with wetting fluid reservoirs
WO2021177960A1 (en) * 2020-03-05 2021-09-10 Plitek, L.L.C. Pressure relief valve with wetting fluid reservoirs
KR102256742B1 (ko) * 2020-09-03 2021-06-01 주식회사 이노패키지 밀봉 컨테이닝 장치
CN112478422B (zh) * 2020-11-27 2022-12-23 孙佳斌 单向排气的包装袋
JP2022126149A (ja) * 2021-02-18 2022-08-30 大塚テクノ株式会社 ガス抜き弁およびガス抜き弁シート

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312887A1 (de) * 1983-04-11 1984-10-11 Rovema Verpackungsmaschinen GmbH, 6301 Fernwald Ueberdruckventil fuer einen verpackungsbehaelter
US5989608A (en) * 1998-07-15 1999-11-23 Mizuno; Maki Food container for cooking with microwave oven
US7178555B2 (en) 2000-11-03 2007-02-20 Plitek, Llc Pressure relief valve
DE102006016594A1 (de) * 2006-04-06 2007-10-18 Tesa Ag Überdruckventil für einen Verpackungsbehälter
US7328543B2 (en) 2006-05-17 2008-02-12 Plitek, L.L.C. Apparatus and method for the application of pressure relief valves
US8746281B2 (en) * 2009-11-06 2014-06-10 Sonoco Development Inc. Valve and method of making same

Also Published As

Publication number Publication date
CA2829452A1 (en) 2014-04-09
EP2719637A1 (en) 2014-04-16
EP2719637B1 (en) 2016-08-24
JP2014076858A (ja) 2014-05-01
ES2601224T3 (es) 2017-02-14

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