GB1421651A - Filters for breathing equipment - Google Patents

Filters for breathing equipment

Info

Publication number
GB1421651A
GB1421651A GB15573A GB15573A GB1421651A GB 1421651 A GB1421651 A GB 1421651A GB 15573 A GB15573 A GB 15573A GB 15573 A GB15573 A GB 15573A GB 1421651 A GB1421651 A GB 1421651A
Authority
GB
United Kingdom
Prior art keywords
compartment
inlet
gases
casing
layers
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
GB15573A
Other languages
English (en)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of GB1421651A publication Critical patent/GB1421651A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/097—Devices for facilitating collection of breath or for directing breath into or through measuring devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B19/00—Cartridges with absorbing substances for respiratory apparatus
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Gas Separation By Absorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB15573A 1972-01-13 1973-01-02 Filters for breathing equipment Expired GB1421651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH46972 1972-01-13

Publications (1)

Publication Number Publication Date
GB1421651A true GB1421651A (en) 1976-01-21

Family

ID=4187717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15573A Expired GB1421651A (en) 1972-01-13 1973-01-02 Filters for breathing equipment

Country Status (6)

Country Link
JP (1) JPS4882467A (fr)
CH (1) CH546595A (fr)
DE (1) DE2301276A1 (fr)
FR (1) FR2167530A1 (fr)
GB (1) GB1421651A (fr)
NL (1) NL7217200A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189167A (en) * 1986-04-15 1987-10-21 Willpower Compressed Air Syst Gas filter
GB2206295A (en) * 1987-07-03 1989-01-05 Marshall D A G Combined high-efficiency filter and activated carbon filter
GB2620904A (en) * 2022-04-21 2024-01-31 Edwards Ltd Canister

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189167A (en) * 1986-04-15 1987-10-21 Willpower Compressed Air Syst Gas filter
US4746338A (en) * 1986-04-15 1988-05-24 Willpower Compressed Air Systems Limited Gas filter
GB2189167B (en) * 1986-04-15 1989-11-29 Willpower Compressed Air Syst Gas filter
GB2206295A (en) * 1987-07-03 1989-01-05 Marshall D A G Combined high-efficiency filter and activated carbon filter
GB2206295B (en) * 1987-07-03 1991-03-27 Marshall D A G Combined high-efficiency fluid filter and activated carbon filter
GB2620904A (en) * 2022-04-21 2024-01-31 Edwards Ltd Canister

Also Published As

Publication number Publication date
NL7217200A (fr) 1973-07-17
DE2301276A1 (de) 1973-07-19
FR2167530A1 (fr) 1973-08-24
JPS4882467A (fr) 1973-11-05
CH546595A (de) 1974-03-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees