Title:
THREE-DIMENSIONAL MASK
Document Type and Number:
WIPO Patent Application WO/2007/010969
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a three-dimensional mask capable of preventing receptacles
from getting fogged by wet air rising upward from the inside of the mask. [MEANS
FOR SOLVING THE PROBLEMS] This mask comprises a body part (2) covering the objective
portion of the face of a user having the mouth (8) and the nose cavity (7) of the user
and locking parts (3) extended from the side end parts (2e, 2e) of the body part
(2) and locking the body part (2) to the face of the user. A projected piece (9) projected
diagonally downward is laterally formed on the inner surface of the body part
(2) at a position higher than the portion thereof covering the nose cavity (7).
More Like This:
Inventors:
MURANAKA TOSHIO (JP)
Application Number:
PCT/JP2006/314353
Publication Date:
January 25, 2007
Filing Date:
July 20, 2006
Export Citation:
Assignee:
DAIO SEISHI KK (JP)
MURANAKA TOSHIO (JP)
MURANAKA TOSHIO (JP)
International Classes:
A62B18/02
Foreign References:
JPH05177006A | 1993-07-20 | |||
JPS50101393U | 1975-08-21 | |||
JPS5266196U | 1977-05-16 |
Attorney, Agent or Firm:
NAGAI, Yoshihisa (3-2 Kajicho 2-chome, Chiyoda-k, Tokyo 44, JP)
Download PDF: