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FR2020438A1 - - Google Patents

Info

Publication number
FR2020438A1
FR2020438A1 FR6934837A FR6934837A FR2020438A1 FR 2020438 A1 FR2020438 A1 FR 2020438A1 FR 6934837 A FR6934837 A FR 6934837A FR 6934837 A FR6934837 A FR 6934837A FR 2020438 A1 FR2020438 A1 FR 2020438A1
Authority
FR
France
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Withdrawn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
FR6934837A
Other languages
French (fr)
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.)
BOC Group Ltd
Original Assignee
British Oxigen 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 British Oxigen Ltd filed Critical British Oxigen Ltd
Publication of FR2020438A1 publication Critical patent/FR2020438A1/fr
Withdrawn legal-status Critical Current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
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Nursing (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
FR6934837A 1968-10-11 1969-10-10 Withdrawn FR2020438A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4838268 1968-10-11

Publications (1)

Publication Number Publication Date
FR2020438A1 true FR2020438A1 (en) 1970-07-10

Family

ID=10448422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6934837A Withdrawn FR2020438A1 (en) 1968-10-11 1969-10-10

Country Status (2)

Country Link
DE (1) DE1949560A1 (en)
FR (1) FR2020438A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003000347A1 (en) * 2001-06-25 2003-01-03 3M Innovative Properties Company Respirator valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1101700B (en) * 1978-12-29 1985-10-07 Hiro Motori Sas TWO STROKE ENGINE, WITH MIXED INTAKE SYSTEM, WITH INTAKE DUCTS MADE IN THE CYLINDER, AND RELATED VALVE VALVE
AU535351B2 (en) * 1979-06-21 1984-03-15 Minnesota Mining And Manufacturing Company Controlled diaphragm valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003000347A1 (en) * 2001-06-25 2003-01-03 3M Innovative Properties Company Respirator valve
US6883518B2 (en) 2001-06-25 2005-04-26 3M Innovative Properties Company Unidirectional respirator valve
CN1330393C (en) * 2001-06-25 2007-08-08 3M创新有限公司 Respirator valve
US7302951B2 (en) 2001-06-25 2007-12-04 3M Innovative Properties Company Unidirectional respirator valve

Also Published As

Publication number Publication date
DE1949560A1 (en) 1970-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse