FR48588E - Method and device for signaling exhaustion of gas filters and scrubbers - Google Patents

Method and device for signaling exhaustion of gas filters and scrubbers

Info

Publication number
FR48588E
FR48588E FR48588DA FR48588E FR 48588 E FR48588 E FR 48588E FR 48588D A FR48588D A FR 48588DA FR 48588 E FR48588 E FR 48588E
Authority
FR
France
Prior art keywords
scrubbers
exhaustion
signaling
gas filters
filters
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
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Application granted granted Critical
Publication of FR48588E publication Critical patent/FR48588E/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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/088—Devices for indicating filter saturation

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR48588D 1937-07-02 1937-07-02 Method and device for signaling exhaustion of gas filters and scrubbers Expired FR48588E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR48588T 1937-07-02

Publications (1)

Publication Number Publication Date
FR48588E true FR48588E (en) 1938-04-05

Family

ID=8683900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR48588D Expired FR48588E (en) 1937-07-02 1937-07-02 Method and device for signaling exhaustion of gas filters and scrubbers

Country Status (1)

Country Link
FR (1) FR48588E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0231405A1 (en) * 1986-01-18 1987-08-12 Honeywell-Elac-Nautik GmbH Method and device for determining the load of charcoal filters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0231405A1 (en) * 1986-01-18 1987-08-12 Honeywell-Elac-Nautik GmbH Method and device for determining the load of charcoal filters
US4807466A (en) * 1986-01-18 1989-02-28 Honeywell-Elac-Nautik Gmbh Method and apparatus for determining the charging of charcoal filters

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