EP0451877A3 - Protective respiratory mask - Google Patents

Protective respiratory mask Download PDF

Info

Publication number
EP0451877A3
EP0451877A3 EP19910108226 EP91108226A EP0451877A3 EP 0451877 A3 EP0451877 A3 EP 0451877A3 EP 19910108226 EP19910108226 EP 19910108226 EP 91108226 A EP91108226 A EP 91108226A EP 0451877 A3 EP0451877 A3 EP 0451877A3
Authority
EP
European Patent Office
Prior art keywords
respiratory mask
protective respiratory
protective
mask
respiratory
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.)
Withdrawn
Application number
EP19910108226
Other languages
German (de)
Other versions
EP0451877A2 (en
Inventor
Hans Joerg Huebner
Heribert Rische
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.)
GFG Gesellschaft fuer Geraetebau mbH
Original Assignee
GFG Gesellschaft fuer Geraetebau mbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25826555&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0451877(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GFG Gesellschaft fuer Geraetebau mbH filed Critical GFG Gesellschaft fuer Geraetebau mbH
Publication of EP0451877A2 publication Critical patent/EP0451877A2/en
Publication of EP0451877A3 publication Critical patent/EP0451877A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/04—Hoods
    • 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
    • A62B18/006—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 with pumps for forced ventilation

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Toxicology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
EP19910108226 1984-11-15 1985-11-09 Protective respiratory mask Withdrawn EP0451877A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3441747 1984-11-15
DE3441747 1984-11-15
DE19853523097 DE3523097A1 (en) 1984-11-15 1985-06-28 RESPIRATORY MASK
DE3523097 1985-06-28

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP85114291.9 Division 1985-11-09

Publications (2)

Publication Number Publication Date
EP0451877A2 EP0451877A2 (en) 1991-10-16
EP0451877A3 true EP0451877A3 (en) 1993-01-13

Family

ID=25826555

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19850114291 Revoked EP0182235B1 (en) 1984-11-15 1985-11-09 Breathing protection hood
EP19910108226 Withdrawn EP0451877A3 (en) 1984-11-15 1985-11-09 Protective respiratory mask
EP19910107818 Withdrawn EP0448131A3 (en) 1984-11-15 1985-11-09 Breathing protection mask

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19850114291 Revoked EP0182235B1 (en) 1984-11-15 1985-11-09 Breathing protection hood

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19910107818 Withdrawn EP0448131A3 (en) 1984-11-15 1985-11-09 Breathing protection mask

Country Status (2)

Country Link
EP (3) EP0182235B1 (en)
DE (1) DE3523097A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809406A1 (en) * 1988-03-21 1989-10-05 Geraetebau Gmbh BATTERY PACK
US8302600B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Battery management for a breathing assistance system
DE102014019516A1 (en) * 2014-12-24 2016-06-30 Dräger Safety AG & Co. KGaA Assembly with a plastic housing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032371A1 (en) * 1980-08-28 1982-03-18 Drägerwerk AG, 2400 Lübeck Respiratory protective helmet with visor - has flowmeter inside helmet near outlet end of induced air supply tube

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448021A (en) * 1945-09-20 1948-08-31 Grazia Joseph De Protective hood
US2812199A (en) * 1955-07-01 1957-11-05 Robert A Mayne Hub
US2785674A (en) * 1955-08-17 1957-03-19 Hanorah H Wong Oxygen mask
DE1111334B (en) * 1959-09-04 1961-07-20 Paul Pollrich & Comp Fan or centrifugal pump with housing
US3413972A (en) * 1965-09-27 1968-12-03 Carl L. Depping Airflow helmet
FR1599791A (en) * 1968-10-16 1970-07-20
DE1933706A1 (en) * 1969-07-03 1971-01-14 Bluecher Hubert Battery breathing apparatus for gas masks and NBC protective suits and all respiratory protection filters
US3739774A (en) * 1970-05-21 1973-06-19 Ml Aviation Co Ltd Respirators
FR2097508A5 (en) * 1970-07-09 1972-03-03 Bassin Nord Pas Calais
GB1359817A (en) 1970-07-17 1974-07-10 Molins Ltd Packet forming
DE2612877C2 (en) * 1976-03-26 1985-06-20 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Breathing air supply device
US4019508A (en) 1976-05-21 1977-04-26 Research Development Systems, Inc. Wearable, self-contained fully mobile personal breathing apparatus for surgeons and operating room personnel
US4233972A (en) * 1978-05-08 1980-11-18 Wolfgang Hauff Portable air filtering and breathing assist device
US4231359A (en) * 1978-11-07 1980-11-04 Midori Anzen Company, Ltd. Personal emergency breathing hood with nose blocking device
US4233970A (en) * 1978-11-16 1980-11-18 Robertshaw Controls Company Emergency escape breathing apparatus
US4430995A (en) * 1981-05-29 1984-02-14 Hilton Joseph R Power assisted air-purifying respirators
WO1983000632A1 (en) * 1981-08-27 1983-03-03 Vaughan, Kenneth, V. Improvement in respiratory devices
US4466432A (en) * 1981-09-16 1984-08-21 Mine Safety Appliances Co. Air supplying hood
CA1188193A (en) * 1982-04-06 1985-06-04 Hubert G. Dukowski Portable air filtration device
AU554194B2 (en) * 1982-05-13 1986-08-14 Minnesota Mining And Manufacturing Company Respirator
US4494538A (en) * 1983-04-06 1985-01-22 Figgie International Inc. Mask assembly
HU187896B (en) 1983-05-05 1986-02-28 Banyaszati Aknamelyitoe Vallalat,Hu Apparatus for determining and indicating the necessary quantity of gas in order to leave a dngerous place in safety, applicable to a basic apparatus with a tank containing gas /oxigen or air/ for people working in dangerous places and with gas feeding organs, applicable preferably to fleeing apparatuses of mining industry

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032371A1 (en) * 1980-08-28 1982-03-18 Drägerwerk AG, 2400 Lübeck Respiratory protective helmet with visor - has flowmeter inside helmet near outlet end of induced air supply tube

Also Published As

Publication number Publication date
DE3523097A1 (en) 1986-05-22
EP0182235A2 (en) 1986-05-28
EP0182235B1 (en) 1991-12-18
EP0448131A3 (en) 1991-11-27
DE3523097C2 (en) 1988-12-22
EP0451877A2 (en) 1991-10-16
EP0448131A2 (en) 1991-09-25
EP0182235A3 (en) 1987-02-04

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