CA960402A - Hood with improved air inlet - Google Patents

Hood with improved air inlet

Info

Publication number
CA960402A
CA960402A CA113,283A CA113283A CA960402A CA 960402 A CA960402 A CA 960402A CA 113283 A CA113283 A CA 113283A CA 960402 A CA960402 A CA 960402A
Authority
CA
Canada
Prior art keywords
hood
air inlet
improved air
improved
inlet
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
CA113,283A
Other versions
CA113283S (en
Inventor
Herbert A. Raschke
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.)
Bullard (ed) Co
Original Assignee
Bullard (ed) Co
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 Bullard (ed) Co filed Critical Bullard (ed) Co
Application granted granted Critical
Publication of CA960402A publication Critical patent/CA960402A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A62B18/04—Gas helmets

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
CA113,283A 1970-09-08 1971-05-18 Hood with improved air inlet Expired CA960402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7019870A 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
CA960402A true CA960402A (en) 1975-01-07

Family

ID=22093765

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113,283A Expired CA960402A (en) 1970-09-08 1971-05-18 Hood with improved air inlet

Country Status (2)

Country Link
US (1) US3685512A (en)
CA (1) CA960402A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911914A (en) * 1974-06-06 1975-10-14 Johansson Sven Olof Gustav Ventilated head cover and safety hood
USD249168S (en) * 1976-07-07 1978-08-29 Minnesota Mining & Manufacturing Company Softcap respirator hood
US6382208B2 (en) 1998-11-02 2002-05-07 Board Of Regents University Of Nebraska System for controlling the internal temperature of a respirator
US9999546B2 (en) 2014-06-16 2018-06-19 Illinois Tool Works Inc. Protective headwear with airflow
USD795418S1 (en) * 2016-05-13 2017-08-22 Rpb Safety, Llc Respirator helmet
US11812816B2 (en) 2017-05-11 2023-11-14 Illinois Tool Works Inc. Protective headwear with airflow

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US811021A (en) * 1905-04-17 1906-01-30 Charles W Wood Fireman's protective dress.
US1041610A (en) * 1911-01-03 1912-10-15 George Fabian Fire-helmet.
US1464883A (en) * 1919-02-08 1923-08-14 Earl H Figley Painter's mask
US2896617A (en) * 1955-11-03 1959-07-28 Wesley A Gibbons Air supplied hood structure
US3223086A (en) * 1963-08-05 1965-12-14 Arthur R Adams Air-conditioned helmet

Also Published As

Publication number Publication date
US3685512A (en) 1972-08-22

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