GB2254017B - Respirator filters - Google Patents

Respirator filters

Info

Publication number
GB2254017B
GB2254017B GB9106462A GB9106462A GB2254017B GB 2254017 B GB2254017 B GB 2254017B GB 9106462 A GB9106462 A GB 9106462A GB 9106462 A GB9106462 A GB 9106462A GB 2254017 B GB2254017 B GB 2254017B
Authority
GB
United Kingdom
Prior art keywords
respirator filters
respirator
filters
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 - Lifetime
Application number
GB9106462A
Other versions
GB2254017A (en
GB9106462D0 (en
Inventor
Nigel Robert Bonnett
Stephen Paul Furnell
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.)
Sabre Safety Ltd
Original Assignee
Sabre Safety Ltd
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 Sabre Safety Ltd filed Critical Sabre Safety Ltd
Priority to GB9106462A priority Critical patent/GB2254017B/en
Publication of GB9106462D0 publication Critical patent/GB9106462D0/en
Publication of GB2254017A publication Critical patent/GB2254017A/en
Application granted granted Critical
Publication of GB2254017B publication Critical patent/GB2254017B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0415—Beds in cartridges
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/93—Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4541—Gas separation or purification devices adapted for specific applications for portable use, e.g. gas masks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB9106462A 1991-03-26 1991-03-26 Respirator filters Expired - Lifetime GB2254017B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9106462A GB2254017B (en) 1991-03-26 1991-03-26 Respirator filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9106462A GB2254017B (en) 1991-03-26 1991-03-26 Respirator filters

Publications (3)

Publication Number Publication Date
GB9106462D0 GB9106462D0 (en) 1991-05-15
GB2254017A GB2254017A (en) 1992-09-30
GB2254017B true GB2254017B (en) 1994-05-11

Family

ID=10692265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106462A Expired - Lifetime GB2254017B (en) 1991-03-26 1991-03-26 Respirator filters

Country Status (1)

Country Link
GB (1) GB2254017B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478377A (en) * 1994-07-22 1995-12-26 The United States Of America As Represented By The Secretary Of The Army Filter for a respiratory device
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
EP2099532B1 (en) * 2007-01-05 2011-04-20 Officine Meccaniche Galli S.r.l. Nbc filter
IL214041A0 (en) * 2011-07-12 2011-08-31 Yarok Bair Prot Ind Ltd Carbon filter device and air filter apparatus
GB201901082D0 (en) * 2019-01-25 2019-03-13 Aqauten Ltd Apparatus and method for capturing airborne contaminants

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714486A (en) * 1985-07-03 1987-12-22 Her Majesty The Queen In Right Of Canada Automated production of canisters
GB2223423A (en) * 1988-09-22 1990-04-11 Canada Minister Defence Compression seal canister

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714486A (en) * 1985-07-03 1987-12-22 Her Majesty The Queen In Right Of Canada Automated production of canisters
GB2223423A (en) * 1988-09-22 1990-04-11 Canada Minister Defence Compression seal canister

Also Published As

Publication number Publication date
GB2254017A (en) 1992-09-30
GB9106462D0 (en) 1991-05-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20110325