A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/06 (2006.01) A41D 13/11 (2006.01) A62B 9/00 (2006.01) A62B 18/02 (2006.01) A62B 23/02 (2006.01)
Patent
CA 2099254
2099254 9211888 PCTABS00014 The invention relates to a breathing mask comprising a mask portion (1) covering the mouth and nose of the wearer and a heat exchanger portion (2) made of a material capable of recovering heat and fitted in the mask portion (1), inhalation and exhalation air being arranged to flow through the heat exchanger portion to recover heat and moisture contained in the exhalation air and to transfer it into the inhalation air. To achieve a simple, light structure having no disadvantageous environmental effects, the mask portion (1) and the heat exchanger portion (2) are made of the same material, preferably of a biodegradable material.
Ebeling Olavi
Gowling Lafleur Henderson Llp
Insinooritoimisto Megsent Oy
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