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EP0182235B1 - Cagoule de protection respiratoire - Google Patents

Cagoule de protection respiratoire Download PDF

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Publication number
EP0182235B1
EP0182235B1 EP19850114291 EP85114291A EP0182235B1 EP 0182235 B1 EP0182235 B1 EP 0182235B1 EP 19850114291 EP19850114291 EP 19850114291 EP 85114291 A EP85114291 A EP 85114291A EP 0182235 B1 EP0182235 B1 EP 0182235B1
Authority
EP
European Patent Office
Prior art keywords
hood
gas mask
head
air
opening
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
EP19850114291
Other languages
German (de)
English (en)
Other versions
EP0182235A3 (en
EP0182235A2 (fr
Inventor
Hans Jörg Dipl.-Kaufm. Hübner
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=EP0182235(B1) "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
Priority to AT85114291T priority Critical patent/ATE70463T1/de
Publication of EP0182235A2 publication Critical patent/EP0182235A2/fr
Publication of EP0182235A3 publication Critical patent/EP0182235A3/de
Application granted granted Critical
Publication of EP0182235B1 publication Critical patent/EP0182235B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a breathing mask, in particular a BC protective mask, for injuries with a filter in the air supply, the mask consisting of a flexible hood that at least envelops the head, which is open at the bottom when worn and via a flexible air supply line with a separately carried ventilation device connected is.
  • a breathing mask in particular a BC protective mask
  • Such protective masks are e.g. known from US-A-4,231,359 or from US-A-4,233,970 or from FR-A-1,599,791 or from US-A-4,466,432.
  • Respirators are used e.g. B. needed for fire fighting. In the event of war, respiratory masks are primarily required to protect against biological and chemical weapons.
  • the breathing masks usually have activated carbon filters with a sheet metal housing.
  • the mask itself is usually made of rubber or rubber-like material and encloses the face with eyes, mouth and nose.
  • the mask is pressed tightly against the head with the bands to be placed behind the head. This is not possible for injured persons, especially head injuries.
  • the invention is therefore based on the object of providing a breathing mask which avoids strain on the head in the case of injuries and allows access to the head.
  • the hood is provided with an opening and reclosable treatment opening in the head area.
  • Films suitable for this purpose are so light that they do not represent a weight load for an injured person, including a head injured person. Breathing difficulties are avoided in a known manner in that the injured person no longer sucks in the breathing air himself and has to overcome the resistance in the filter, but the breathing air is supplied via a separately operated ventilation device.
  • An overpressure in the hood is advantageous. The excess pressure causes the hood to be rinsed out. This is from of particular importance for the protection against biological or chemical warfare agents as well as any kind of air pollution.
  • the breathing air consumed by the injured person is also flushed out. This eliminates the use of mouthpieces and control devices for separate air ducts when inhaling and exhaling. For head injuries, especially facial injuries, this is a serious relief, sometimes even a requirement for survival.
  • the air regulation in the head area is important for the air conditioning or breathing air supply in the hood. According to the invention, this is achieved in that the exhaust air opening of the hood on the neck is adjustable.
  • the setting is e.g. B. achieved by tying. I.e. With a lacing or similar, the neck width can be reduced to such an extent that the desired minimum overpressure is created in the head area and the air supply for the injured person is secured.
  • the hood is provided with a closable treatment opening in the head area.
  • the opening preferably consists of a slot.
  • a Velcro fastener is advantageous for closing the slot. Sealing problems do not arise because the slight overpressure prevents unfiltered ambient air from entering the hood. If it turns out during treatment that the opening is too small, the film can easily be opened further with scissors or a knife.
  • textile-reinforced plastic film is used as the material for the hood.
  • Such films are waterproof and, in various embodiments, are insensitive to biological and chemical warfare agents and harmful environmental influences.
  • Heat-resistant plastics are also preferably used.
  • the front part of the hood is made of transparent film and gives the wearer the necessary field of vision.
  • an opening or a connection for a ventilation hose is optionally provided in the hood, in order to be able to supply an injured person with oxygen-enriched air, if necessary.
  • FIG. 1 to 6 show different exemplary embodiments and details of a hood according to the invention.
  • Fig. 1 shows a hood designated 21, which has a treatment opening 22 below the transparent film.
  • the treatment opening 22 has a Velcro fastener 23.
  • the arrangement of the Velcro fastener is shown in FIG. 5.
  • the treatment opening 22 is designed in the form of a slot in the hood 21.
  • a Velcro strip is embedded in the slot, which is secured on the side against tearing open by seams or rent or a corresponding welding or gluing points.
  • the treatment opening 22 enables the hood to be opened without having to remove the hood.
  • the opening can be used, for example, to treat an injured person.
  • the treatment opening 22 is closed again by pressing the Velcro fastener together.
  • the handling of the treatment opening and the Velcro fastener is particularly safe because any remaining minor leaks do not lead to the penetration of unfiltered ambient air. Rather, the leak is blown free by the breathing air in the hood, which is under pressure.
  • the connector 19 for the breathing air hose is shown in cross section. Then the connector consists of a threaded body 24, which is secured with the aid of a threaded ring 25 in the transparent film 26. On the outside of the hood, the connector 19 has an internal thread for screwing in the associated breathing air hose end.
  • 3 and 4 show the hood according to FIG. 1 in cooperation with a ventilation device 27.
  • the ventilation device 27 according to FIG. 3 has a filter 28 and is connected via a breathing air hose 29 to the connector 19 of the hood. 4, two filters 30 are provided instead of the one filter 28. Both filters 30 are connected to the ventilation device 27 via a fork piece 32.
  • two breathing air tubes 29 are connected to the ventilation device 27 via a fork piece 31, so that the ventilation device 27 simultaneously supplies two hoods with filtered breathing air.
  • the ventilation device 27 promotes a constant amount of air in stage I of about 120 l / min with fresh batteries or when connected to a motor vehicle. This amount is normally sufficient to supply two people lying down with breathing air.
  • the voltage decreases with increasing battery life.
  • the air flow decreases in the same ratio.
  • the voltage drops to about half within 3 hours.
  • the air flow rate therefore drops to 30 l / min in the same time.
  • the screw plug and the screw cap are removed from the intake and blowing ports.
  • the breathing tube 29 is screwed onto the air outlet of the device housing with the aid of a union nut.
  • the other end of the breathing air hose 29 is screwed to the connector 19 of the hood.
  • the breathing air hose is a corrugated hose.
  • the ventilation device 27 When the ventilation device 27 is switched on, the air supply at the inflation of the hood must be checked. The hood is then pulled over the head and shoulder of the person to be cared for. The attached hood is closed on the neck of the person to be cared for with the help of straps except for the opening required for the air outlet.

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)

Claims (6)

  1. Masque respiratoire de protection, notamment masque de protection BC, destiné à des blessés et comportant un filtre (28, 30) dans l'amenée d'air, le masque étant constitué par une calotte souple (21) qui entoure au moins la tête, est ouverte dans le bas lorsqu'elle est portée et est reliée par l'intermédiaire d'une conduite flexible d'alimentation en air (29), à un appareil de fourniture d'air (27) porté séparément, caractérisé en ce que la calotte (21) est pourvue dans la région de la tête, d'une ouverture de soins (22) pouvant être ouverte et à nouveau refermée.
  2. Masque respiratoire de protection selon la revendication 1, caractérisé en ce que l'ouverture de soins (22) est constituée par une fente (22) munie d'un système de fermeture contact (23).
  3. Masque respiratoire de protection selon la revendication 1 ou 2, caractérisé en ce que la calotte (21) est réalisée en une feuille de matière plastique renforcée par un textile.
  4. Masque respiratoire de protection selon l'une ou plusieurs des revendications 1 à 3, caractérisé en ce que la partie avant de la calotte (21) est réalisée en une feuille transparente.
  5. Masque respiratoire de protection selon l'une ou plusieurs des revendications 1 à 4, caractérisé en ce que dans la calotte (21) règne une surpression d'au moins 20 mm de colonne d'eau (0,02 bar) et/ou en ce que le débit de l'air amené à la calotte (21) est compris entre 40 et 100 l/min.
  6. Masque respiratoire de protection selon la revendication 5, caractérisé en ce que la calotte (21) peut être fixée par une cordelette au niveau du cou et/ou du corps, et/ou la calotte est pourvue d'une soupape s'ouvrant en fonction de la pression et/ou d'une soupape réglable.
EP19850114291 1984-11-15 1985-11-09 Cagoule de protection respiratoire Expired - Lifetime EP0182235B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85114291T ATE70463T1 (de) 1984-11-15 1985-11-09 Atemschutzmaske.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3441747 1984-11-15
DE3441747 1984-11-15
DE19853523097 DE3523097A1 (de) 1984-11-15 1985-06-28 Atemschutzmaske
DE3523097 1985-06-28

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP91107818.6 Division-Into 1985-11-09
EP91108226.1 Division-Into 1985-11-09

Publications (3)

Publication Number Publication Date
EP0182235A2 EP0182235A2 (fr) 1986-05-28
EP0182235A3 EP0182235A3 (en) 1987-02-04
EP0182235B1 true EP0182235B1 (fr) 1991-12-18

Family

ID=25826555

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19910108226 Withdrawn EP0451877A3 (en) 1984-11-15 1985-11-09 Protective respiratory mask
EP19850114291 Expired - Lifetime EP0182235B1 (fr) 1984-11-15 1985-11-09 Cagoule de protection respiratoire
EP19910107818 Withdrawn EP0448131A3 (en) 1984-11-15 1985-11-09 Breathing protection mask

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19910108226 Withdrawn EP0451877A3 (en) 1984-11-15 1985-11-09 Protective respiratory mask

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) EP0451877A3 (fr)
DE (1) DE3523097A1 (fr)

Families Citing this family (3)

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

Family Cites Families (23)

* 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 (de) * 1959-09-04 1961-07-20 Paul Pollrich & Comp Ventilator oder Kreiselpumpe mit Gehaeuse
DE1222802B (de) * 1960-09-30 1966-08-11 Goodrich Co B F Aufblasbarer Schutzanzug fuer den Hoehenflug
US3413972A (en) * 1965-09-27 1968-12-03 Carl L. Depping Airflow helmet
FR1599791A (fr) * 1968-10-16 1970-07-20
DE1933706A1 (de) * 1969-07-03 1971-01-14 Bluecher Hubert Batterieatemgeraet fuer Gasmasken und ABC-Schutzanzuege und alle Atemschutzfilter
US3739774A (en) * 1970-05-21 1973-06-19 Ml Aviation Co Ltd Respirators
FR2097508A5 (fr) * 1970-07-09 1972-03-03 Bassin Nord Pas Calais
DE2612877C2 (de) * 1976-03-26 1985-06-20 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Atemluftversorgungsgerät
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
DE3032371A1 (de) * 1980-08-28 1982-03-18 Drägerwerk AG, 2400 Lübeck Atemschutzhelm
US4430995A (en) * 1981-05-29 1984-02-14 Hilton Joseph R Power assisted air-purifying respirators
WO1983000632A1 (fr) * 1981-08-27 1983-03-03 Vaughan, Kenneth, V. Amelioration relative a des dispositifs respiratoires
US4466432A (en) * 1981-09-16 1984-08-21 Mine Safety Appliances Co. Air supplying hood
CA1188193A (fr) * 1982-04-06 1985-06-04 Hubert G. Dukowski Filtre d'air portable
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

Also Published As

Publication number Publication date
EP0182235A3 (en) 1987-02-04
EP0448131A2 (fr) 1991-09-25
DE3523097A1 (de) 1986-05-22
DE3523097C2 (fr) 1988-12-22
EP0451877A3 (en) 1993-01-13
EP0448131A3 (en) 1991-11-27
EP0451877A2 (fr) 1991-10-16
EP0182235A2 (fr) 1986-05-28

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