CA2404509C - Clapet d'expiration - Google Patents

Clapet d'expiration Download PDF

Info

Publication number
CA2404509C
CA2404509C CA002404509A CA2404509A CA2404509C CA 2404509 C CA2404509 C CA 2404509C CA 002404509 A CA002404509 A CA 002404509A CA 2404509 A CA2404509 A CA 2404509A CA 2404509 C CA2404509 C CA 2404509C
Authority
CA
Canada
Prior art keywords
seal surface
orifice
flap
portions
flexible flap
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 - Fee Related
Application number
CA002404509A
Other languages
English (en)
Other versions
CA2404509A1 (fr
Inventor
John Lawrence Bowers
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 GB9515986A external-priority patent/GB9515986D0/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CA2404509A1 publication Critical patent/CA2404509A1/fr
Application granted granted Critical
Publication of CA2404509C publication Critical patent/CA2404509C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Check Valves (AREA)
CA002404509A 1995-08-04 1996-07-23 Clapet d'expiration Expired - Fee Related CA2404509C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9515986.9 1995-08-04
GB9515986A GB9515986D0 (en) 1995-08-04 1995-08-04 Uni-directional fluid valve
CA 2181878 CA2181878C (fr) 1995-08-04 1996-07-23 Clapet d'expiration

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2181878 Division CA2181878C (fr) 1995-08-04 1996-07-23 Clapet d'expiration

Publications (2)

Publication Number Publication Date
CA2404509A1 CA2404509A1 (fr) 1997-02-05
CA2404509C true CA2404509C (fr) 2005-11-08

Family

ID=25678577

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002404509A Expired - Fee Related CA2404509C (fr) 1995-08-04 1996-07-23 Clapet d'expiration

Country Status (1)

Country Link
CA (1) CA2404509C (fr)

Also Published As

Publication number Publication date
CA2404509A1 (fr) 1997-02-05

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Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150723