GB761033A - Improvements in or relating to a breathing apparatus valve - Google Patents

Improvements in or relating to a breathing apparatus valve

Info

Publication number
GB761033A
GB761033A GB3432354A GB3432354A GB761033A GB 761033 A GB761033 A GB 761033A GB 3432354 A GB3432354 A GB 3432354A GB 3432354 A GB3432354 A GB 3432354A GB 761033 A GB761033 A GB 761033A
Authority
GB
United Kingdom
Prior art keywords
relating
breathing apparatus
apparatus valve
valve
breathing
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
GB3432354A
Inventor
William Craig Hamilton
Frank Bub
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
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
Application filed by Mine Safety Appliances Co filed Critical Mine Safety Appliances Co
Priority to GB3432354A priority Critical patent/GB761033A/en
Publication of GB761033A publication Critical patent/GB761033A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Check Valves (AREA)

Abstract

The subject-matter of this Specification is identical with that described in Specification 739,823 but the claims differ.
GB3432354A 1954-11-26 1954-11-26 Improvements in or relating to a breathing apparatus valve Expired GB761033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3432354A GB761033A (en) 1954-11-26 1954-11-26 Improvements in or relating to a breathing apparatus valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3432354A GB761033A (en) 1954-11-26 1954-11-26 Improvements in or relating to a breathing apparatus valve

Publications (1)

Publication Number Publication Date
GB761033A true GB761033A (en) 1956-11-07

Family

ID=10364212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3432354A Expired GB761033A (en) 1954-11-26 1954-11-26 Improvements in or relating to a breathing apparatus valve

Country Status (1)

Country Link
GB (1) GB761033A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748675A (en) * 2019-10-21 2020-02-04 杭州鸿雁管道系统科技有限公司 Multipurpose valve system for pressure-bearing water tank water heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748675A (en) * 2019-10-21 2020-02-04 杭州鸿雁管道系统科技有限公司 Multipurpose valve system for pressure-bearing water tank water heater
CN110748675B (en) * 2019-10-21 2024-05-03 杭州鸿雁管道系统科技有限公司 Multipurpose valve system for pressure-bearing water tank water heater

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