GB494880A - Improvements in or relating to filters for removing aerosols from gaseous media containing the same - Google Patents

Improvements in or relating to filters for removing aerosols from gaseous media containing the same

Info

Publication number
GB494880A
GB494880A GB7414/38A GB741438A GB494880A GB 494880 A GB494880 A GB 494880A GB 7414/38 A GB7414/38 A GB 7414/38A GB 741438 A GB741438 A GB 741438A GB 494880 A GB494880 A GB 494880A
Authority
GB
United Kingdom
Prior art keywords
fibres
filters
gaseous media
removing aerosols
relating
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
GB7414/38A
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Publication of GB494880A publication Critical patent/GB494880A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filtering Materials (AREA)

Abstract

494,880. Gas-filters. SOC.ITALIANA PIRELLI. March 9, 1938, No. 7414. Convention date, March 24, 1937. [Class 8 (ii)] A filter for removing aerosols from gaseous media comprises a mass 1 of loose aerosolremoving fibres held under desired pressure within a container by a body of felted &c. fibres such as a cardboard or sheeted felt 4 supported by a rigid diaphragm 5, the gas passing first through the felt &c. which may be of fibres capable of removing aerosols and then through the loose fibres, which are backed by a perforated plate 3. Specifications 380,965, 395,918, 433,190, and 434,700 are referred to.
GB7414/38A 1937-03-24 1938-03-09 Improvements in or relating to filters for removing aerosols from gaseous media containing the same Expired GB494880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT494880X 1937-03-24

Publications (1)

Publication Number Publication Date
GB494880A true GB494880A (en) 1938-11-02

Family

ID=11270810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7414/38A Expired GB494880A (en) 1937-03-24 1938-03-09 Improvements in or relating to filters for removing aerosols from gaseous media containing the same

Country Status (1)

Country Link
GB (1) GB494880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796143A (en) * 1952-08-08 1957-06-18 Jacobsen Mfg Co Air purifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796143A (en) * 1952-08-08 1957-06-18 Jacobsen Mfg Co Air purifier

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