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
GB27467/31A
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.)
BERNHARD DRAGER
Original Assignee
BERNHARD DRAGER
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 BERNHARD DRAGERfiledCriticalBERNHARD DRAGER
Publication of GB377021ApublicationCriticalpatent/GB377021A/en
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B23/00—Filters for breathing-protection purposes
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Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
Filtering Materials
(AREA)
Abstract
377,021. Gas masks. DRAGER, B., 4, Luterana Straase, Brasor, Roumania.- (Assignee of Dragerwerk H. & B. Drager ; 53, Moislinger-Allee, Lubeck, Germany.) Oct. 2, 1931, No. 27467. Convention date, Jan. 26. [Class 81 (ii).] A canister for gas masks of the type which are attached to the face piece without the intermediary of a hose or the like contains a layer of known gas absorbing material c and a layer b of smoke filtering material consisting of fibres which are irregularly assembled and held together only by the enclosing walls as described in Specification 362,064. The canister is of usual form.
GB27467/31A1931-01-261931-10-02Improvements in devices for filtering and purifying air and gases
ExpiredGB377021A
(en)