Title:
呼吸器保護装置およびその作製方法
Document Type and Number:
Japanese Patent JP5038169
Kind Code:
B2
Abstract:
Fold-flat personal respiratory protection devices (10,50) are provided. The devices have a central panel (12,52) having first and second edges, a first panel (14,54) joined to the first edge of the central panel through either a fold-line (15,55), seam, weld or bond, said fold, bond, weld or seam of the first panel being substantially coextensive with said first edge of said central panel, and a second panel (16,56) joined to the second edge of the central panel through either a fold-line, seam, weld or bond, the fold, bond, weld or seam (17,57) of the second panel being substantially coextensive with said second edge of said central panel. The central and first and second panels are formed from filter media. The device is capable of being folded flat for storage with the first and second panels being in at least partial face-to-face contact with a common surface of the central panel and, during use, is capable of forming a cup-shaped air chamber over the nose and mouth of the wearer with the unjoined edges of the central portion and first and second panels adapted to contact and be secured to the nose, cheeks and chin of the wearer.
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Inventors:
Bostock, Graham, Jay.
Bryant, John, W.
Curran, Desmond, Tea.
Henderson, Christopher, Pee.
Kruger, Dennis, Elle.
Dirad, James, F.
Bryant, John, W.
Curran, Desmond, Tea.
Henderson, Christopher, Pee.
Kruger, Dennis, Elle.
Dirad, James, F.
Application Number:
JP2008014046A
Publication Date:
October 03, 2012
Filing Date:
January 24, 2008
Export Citation:
Assignee:
3M COMPANY
International Classes:
A62B18/02; A41D13/11; A62B7/10; A62B23/02; D04H3/16
Domestic Patent References:
| JP10011186Y1 | ||||
| JP4020363U | ||||
| JP6128852A | ||||
| JP3121985U | ||||
| JP3112218U | ||||
| JP11501840A | ||||
| JP6142223A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Yoshimitsu Mizumoto
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Yoshimitsu Mizumoto