Document Type and Number:
Japanese Patent JPS5078182
Kind Code:
A
Abstract:
A surgical face mask which comprises a filtration medium and an air impervious element secured to the upper portion of the mask. The impervious element functions to prevent moist breath from rising over the upper portion of the mask and fogging eyeglasses of the wearer of the mask. The mask may also bear impervious elements around all the edges thereof.
Application Number:
JP12498574A
Publication Date:
June 25, 1975
Filing Date:
October 31, 1974
Export Citation:
International Classes:
A41D13/11; A61B19/00; G02C1/00; A62B18/02; A62B23/00; (IPC1-7): A61B19/00; A61M16/00
Domestic Patent References:
| JPH075912U | 1995-01-27 | |||
| JPS4839795U | 1973-05-18 | |||
| JPS3311700Y1 |