GB2143136B - Respirator face mask - Google Patents

Respirator face mask

Info

Publication number
GB2143136B
GB2143136B GB08317592A GB8317592A GB2143136B GB 2143136 B GB2143136 B GB 2143136B GB 08317592 A GB08317592 A GB 08317592A GB 8317592 A GB8317592 A GB 8317592A GB 2143136 B GB2143136 B GB 2143136B
Authority
GB
United Kingdom
Prior art keywords
face mask
respirator face
respirator
mask
face
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
GB08317592A
Other versions
GB8317592D0 (en
GB2143136A (en
Inventor
James N Matheson
Philip L Lowry
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.)
USD CORP
Original Assignee
USD CORP
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
Priority claimed from US06/242,287 external-priority patent/US4414973A/en
Priority to US06/242,287 priority Critical patent/US4414973A/en
Priority to JP3882082A priority patent/JPS57160472A/en
Application filed by USD CORP filed Critical USD CORP
Priority to GB08317592A priority patent/GB2143136B/en
Priority to AU16755/83A priority patent/AU1675583A/en
Priority to FR8311727A priority patent/FR2548910B1/en
Publication of GB8317592D0 publication Critical patent/GB8317592D0/en
Priority to IT2243583A priority patent/IT1164376B/en
Publication of GB2143136A publication Critical patent/GB2143136A/en
Priority to GB08614481A priority patent/GB2176407B/en
Publication of GB2143136B publication Critical patent/GB2143136B/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves
GB08317592A 1981-03-10 1983-06-29 Respirator face mask Expired GB2143136B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US06/242,287 US4414973A (en) 1981-03-10 1981-03-10 Respirator face mask
JP3882082A JPS57160472A (en) 1981-03-10 1982-03-10 Gas mask
GB08317592A GB2143136B (en) 1981-03-10 1983-06-29 Respirator face mask
AU16755/83A AU1675583A (en) 1981-03-10 1983-07-12 Respirator face mask
FR8311727A FR2548910B1 (en) 1981-03-10 1983-07-13 RESPIRATOR FACE MASK
IT2243583A IT1164376B (en) 1981-03-10 1983-08-04 Respirator face mask
GB08614481A GB2176407B (en) 1981-03-10 1986-06-13 Respirator face mask

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US06/242,287 US4414973A (en) 1981-03-10 1981-03-10 Respirator face mask
GB08317592A GB2143136B (en) 1981-03-10 1983-06-29 Respirator face mask
AU16755/83A AU1675583A (en) 1981-03-10 1983-07-12 Respirator face mask
FR8311727A FR2548910B1 (en) 1981-03-10 1983-07-13 RESPIRATOR FACE MASK
IT2243583A IT1164376B (en) 1981-03-10 1983-08-04 Respirator face mask

Publications (3)

Publication Number Publication Date
GB8317592D0 GB8317592D0 (en) 1983-08-03
GB2143136A GB2143136A (en) 1985-02-06
GB2143136B true GB2143136B (en) 1987-06-03

Family

ID=34199255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08317592A Expired GB2143136B (en) 1981-03-10 1983-06-29 Respirator face mask

Country Status (1)

Country Link
GB (1) GB2143136B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266247B (en) * 1992-04-16 1996-07-24 Chen Kuo Jen Gas mask device
US6016804A (en) * 1997-10-24 2000-01-25 Scott Technologies, Inc. Respiratory mask and method of making thereof
IL135724A (en) * 1997-10-24 2004-01-04 Scott Technologes Inc Respiratory mask and method of making it
US8955516B2 (en) 2009-04-08 2015-02-17 Scott Technologies, Inc. Face seals for respirators and method of manufacturing respirators
IT202000010987A1 (en) * 2020-05-14 2020-08-14 Fonderia Mestieri S R L IMPROVED FILTERING FACE MASK
IT202100002237A1 (en) * 2021-02-02 2022-08-02 Ghella S P A DEVICE FOR THE PROTECTION OF A USER

Also Published As

Publication number Publication date
GB8317592D0 (en) 1983-08-03
GB2143136A (en) 1985-02-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee