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Patent Searching and Data


Title:
【発明の名称】保護マスクの空気導入システムと保護マスク
Document Type and Number:
Japanese Patent JP3438073
Kind Code:
B2
Abstract:
The object of this invention is a valve arrangement of a protective respirator intended for protecting the wearer against dust or gases. The invention sets out how the exhalation air is guided as soon as possible out of the face section (7) and further how te air can be caused to pass through an air enclosure (11) in between the face section (7) and the frame section (3).

Inventors:
Inkinen Hannu
Application Number:
JP50856992A
Publication Date:
August 18, 2003
Filing Date:
April 30, 1992
Export Citation:
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Assignee:
Air-Ace Oy
International Classes:
A41D13/11; A62B9/00; A62B18/02; A62B23/02; (IPC1-7): A62B18/02; A62B23/02
Domestic Patent References:
JP6137266A
JP472239Y1
Other References:
【文献】米国特許2741246(US,A)
Attorney, Agent or Firm:
Yu Saito (1 person outside)