Title:
HOOD FOR MASK
Document Type and Number:
Japanese Patent JP3809490
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a food for mask, which is excellent in portability and storing property, and easy of handling.
SOLUTION: This hood for mask is equipped with two filter sections which are located in parallel, and an air-discharging valve section which is located under the approximate center between the locations of these filter sections, and has a half-face shape or a full-face shape. In such a hood for mask, an integral stretchable sheet having an opening in which the filter sections are fitted at the location equivalent to the two filter sections is prepared. Then, the hood for mask is constituted in such a manner that a mask can be used under a state wherein the air-discharging valve section is housed in the sheet.
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Inventors:
Tanaka, Fumikazu
Hirao, Yasuhiro
Hirao, Yasuhiro
Application Number:
JP2001000339300
Publication Date:
June 02, 2006
Filing Date:
November 05, 2001
Export Citation:
Assignee:
KOKEN LTD
International Classes:
A62B17/04; A62B17/00; (IPC1-7): A62B17/04