GB406869A - Improvements in and relating to respiratory appliances - Google Patents

Improvements in and relating to respiratory appliances

Info

Publication number
GB406869A
GB406869A GB811433A GB811433A GB406869A GB 406869 A GB406869 A GB 406869A GB 811433 A GB811433 A GB 811433A GB 811433 A GB811433 A GB 811433A GB 406869 A GB406869 A GB 406869A
Authority
GB
United Kingdom
Prior art keywords
relating
respiratory appliances
tube
flexible
spasciani
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
GB811433A
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.)
Individual
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
Application filed by Individual filed Critical Individual
Priority to GB811433A priority Critical patent/GB406869A/en
Publication of GB406869A publication Critical patent/GB406869A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Landscapes

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

Abstract

406,869. Flexible tubes. SPASCIANI, R., 28, Via Solari, Milan, Italy. March 17, 1933, No. 8114. Drawings to Specification. [Class 99 (ii).] A flexible tube for use in a respirator comprises a helical steel wire covered with two layers of fabric impregnated with mineral wax and pitch or other waterproofing and preserving material, the whole being enclosed in a metallized hemp or cotton tube.
GB811433A 1933-03-17 1933-03-17 Improvements in and relating to respiratory appliances Expired GB406869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB811433A GB406869A (en) 1933-03-17 1933-03-17 Improvements in and relating to respiratory appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB811433A GB406869A (en) 1933-03-17 1933-03-17 Improvements in and relating to respiratory appliances

Publications (1)

Publication Number Publication Date
GB406869A true GB406869A (en) 1934-03-08

Family

ID=9846031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB811433A Expired GB406869A (en) 1933-03-17 1933-03-17 Improvements in and relating to respiratory appliances

Country Status (1)

Country Link
GB (1) GB406869A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442356A (en) * 1944-04-19 1948-06-01 William E Gross Canister
GB2279550A (en) * 1993-07-07 1995-01-11 Multiple International Dev Co Fire protection mask
US20210331007A1 (en) * 2020-04-27 2021-10-28 W. L. Gore & Associates, Inc. Filter cartridge and methods of making and using

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442356A (en) * 1944-04-19 1948-06-01 William E Gross Canister
GB2279550A (en) * 1993-07-07 1995-01-11 Multiple International Dev Co Fire protection mask
US20210331007A1 (en) * 2020-04-27 2021-10-28 W. L. Gore & Associates, Inc. Filter cartridge and methods of making and using

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