CA730470A - Respirator valve mechanism - Google Patents

Respirator valve mechanism

Info

Publication number
CA730470A
CA730470A CA730470A CA730470DA CA730470A CA 730470 A CA730470 A CA 730470A CA 730470 A CA730470 A CA 730470A CA 730470D A CA730470D A CA 730470DA CA 730470 A CA730470 A CA 730470A
Authority
CA
Canada
Prior art keywords
valve mechanism
respirator valve
respirator
valve
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
Application number
CA730470A
Inventor
R. Curran Thomas
Charles L. Leffler, Jr.
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA730470A publication Critical patent/CA730470A/en
Expired legal-status Critical Current

Links

CA730470A Respirator valve mechanism Expired CA730470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA730470T

Publications (1)

Publication Number Publication Date
CA730470A true CA730470A (en) 1966-03-22

Family

ID=36069396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA730470A Expired CA730470A (en) Respirator valve mechanism

Country Status (1)

Country Link
CA (1) CA730470A (en)

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