JPS60153146U

JPS60153146U - dust mask

Info

Publication number: JPS60153146U
Application number: JP4247784U
Authority: JP
Inventors: 武笠井
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-03-23
Filing date: 1984-03-23
Publication date: 1985-10-12

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す斜視図、第２図はマス
ク本体の断面図、第３図はフィルターの断面図、第４図
は防塵マスク使用状態を示す側面図である。１・・・マスク本体、２・・・メガネ部、３・・・マス
ク部、４・・・吸気路、５・・・フィルター、７・・・
頭部横固定バンド、８・・・頭部縦固定バンド、１０・
・・柔軟材、１１・・・通気用逆止弁、１２・・・排気
弁。第２図第３図FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a sectional view of the mask body, FIG. 3 is a sectional view of the filter, and FIG. 4 is a side view showing the dust mask in use. DESCRIPTION OF SYMBOLS 1... Mask body, 2... Glasses part, 3... Mask part, 4... Intake path, 5... Filter, 7...
Head horizontal fixation band, 8... Head vertical fixation band, 10.
... Soft material, 11... Ventilation check valve, 12... Exhaust valve. Figure 2 Figure 3

Claims

[Scope of utility model registration request]

A mask part that is made of non-breathable material and that closes the area around the nose and mouth from the outside air with its periphery in close contact with the face, a glasses part that protects the eyes, and a band that is attached to the head. In a dust mask equipped with a dust mask, one end is attached to the glasses part with one end opening into the inner space of the glasses part so that air can be taken in from the back when worn on the face, and the other end is communicated with an inhalation filter located on the back. An air intake path, a ventilation check valve for sucking air from the eyeglasses into the mask, and an exhaust valve to the outside attached to the mask, and a flexible material is provided on the inner surface of the top of the mask. A dust mask featuring