CA2348348C - Portes de ventilation equilibrees - Google Patents

Portes de ventilation equilibrees Download PDF

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Publication number
CA2348348C
CA2348348C CA 2348348 CA2348348A CA2348348C CA 2348348 C CA2348348 C CA 2348348C CA 2348348 CA2348348 CA 2348348 CA 2348348 A CA2348348 A CA 2348348A CA 2348348 C CA2348348 C CA 2348348C
Authority
CA
Canada
Prior art keywords
door
section
linkage
arm
sections
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
Application number
CA 2348348
Other languages
English (en)
Other versions
CA2348348A1 (fr
Inventor
Wayne William Kitching
Marcel Charles Lefebvre
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.)
ZACON Ltd
Original Assignee
Individual
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 US09/785,187 external-priority patent/US6361430B2/en
Application filed by Individual filed Critical Individual
Publication of CA2348348A1 publication Critical patent/CA2348348A1/fr
Application granted granted Critical
Publication of CA2348348C publication Critical patent/CA2348348C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
CA 2348348 2001-02-20 2001-05-24 Portes de ventilation equilibrees Expired - Lifetime CA2348348C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/785,187 US6361430B2 (en) 1999-01-15 2001-02-20 Balanced ventilation doors
US09/785,187 2001-02-20

Publications (2)

Publication Number Publication Date
CA2348348A1 CA2348348A1 (fr) 2002-08-20
CA2348348C true CA2348348C (fr) 2006-10-03

Family

ID=25134698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2348348 Expired - Lifetime CA2348348C (fr) 2001-02-20 2001-05-24 Portes de ventilation equilibrees

Country Status (1)

Country Link
CA (1) CA2348348C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109026118A (zh) * 2018-09-30 2018-12-18 辽宁工程技术大学 一种矿山风门及其使用方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612742B (zh) * 2015-01-14 2016-07-20 唐山市滦翔矿用设备制造有限公司 矿用无压风门连杆传动机构
CN105967033B (zh) * 2016-06-20 2017-12-22 招金矿业股份有限公司河东金矿 一种双向闭合联动矿井安全门
CN106121709A (zh) * 2016-08-20 2016-11-16 枣庄矿业（集团）有限责任公司滨湖煤矿 一种悬挂可调式无压风门
CN108798745B (zh) * 2018-03-15 2020-02-14 泰顺金菱萤石有限公司 一种矿井通风控制系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109026118A (zh) * 2018-09-30 2018-12-18 辽宁工程技术大学 一种矿山风门及其使用方法

Also Published As

Publication number Publication date
CA2348348A1 (fr) 2002-08-20

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Effective date: 20210525