JPH02126667U - - Google Patents
Info
- Publication number
- JPH02126667U JPH02126667U JP87389U JP87389U JPH02126667U JP H02126667 U JPH02126667 U JP H02126667U JP 87389 U JP87389 U JP 87389U JP 87389 U JP87389 U JP 87389U JP H02126667 U JPH02126667 U JP H02126667U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- face mask
- head strap
- cylindrical part
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims 1
- 230000000241 respiratory effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Description
第１図はろ過室を取外した本考案に係る防塵マ
スクの正面図、第２図は第１図の−線縦断側
面図、第３図は第１図からヨークを取外した面体
の正面図、第４図は第３図の−線断面図、第
５図はヨークの正面図、第６図は第５図の−
線縦断面図、第７図は第１図同様の本考案に係る
防塵マスクの第２実施例の左反部正面図、第８図
は第７図同様の本考案の第３実施例の右正面図で
ある。
１……面体、２……ヨーク、３……排気弁カバ
ー、４……筒部、５……頭ひも、６，７，８，９
……頭ひも挿通孔、１０……保護格子、１１……
会話用ダイアフラム、１６……ろ過器取付け孔、
２１，２２……頭ひも取付け用の切欠、２３……
連通溝。
Fig. 1 is a front view of the dust mask according to the present invention with the filtration chamber removed, Fig. 2 is a side view taken along the - line in Fig. 1, and Fig. 3 is a front view of the facepiece from Fig. 1 with the yoke removed. Figure 4 is a sectional view taken along the - line in Figure 3, Figure 5 is a front view of the yoke, and Figure 6 is a - line sectional view in Figure 5.
7 is a left side front view of the second embodiment of the dust mask according to the present invention similar to FIG. 1, and FIG. 8 is a right side view of the third embodiment of the present invention similar to FIG. 7. It is a front view. 1...Face piece, 2...Yoke, 3...Exhaust valve cover, 4...Cylinder part, 5...Head strap, 6, 7, 8, 9
...Head strap insertion hole, 10...Protection grid, 11...
Conversation diaphragm, 16...Filter mounting hole,
21, 22... Notch for attaching head strap, 23...
Communication groove.
Claims (1)
一体成形のヨーク２が適宜の手段により取付けら
れ、そして該ヨークの左右両側にそれぞれ上下一
対の頭ひも挿通孔６，７，８，９が設けられてれ
ているところの呼吸保護用の半面マスク。 (2) 前記ヨークと一体に排気弁カバー３が設け
られているところの請求項(1)に記載の半面マス
ク。 (3) 前記の適宜の手段が、ヨークの裏面に突設
した筒部４と該筒部を気密にはめることの出来る
面体に形成したヨーク取付け孔とからなり、該筒
部の内孔はヨークを貫通してマスクの内外を連通
し、該筒部の内孔に会話用ダイヤフラム１１が取
付けられているところの請求項(1)に記載の半面
マスク。 (4) 頭ひも挿通孔からヨークの外縁に通じる頭
ひも取付用の切欠２１，２２が設けられていると
ころの請求項(1)，(2)又は(3)のいずれかに記載
の半面マスク。 (5) ヨークの左右両側にある各対の頭ひも挿通
孔が、それぞれ、頭ひも取付用のスリツト２３に
より連通しているところの請求項(1)，(2)又は(3
)のいずれかに記載の半面マスク。[Claims for Utility Model Registration] (1) An integrally molded yoke 2 is attached to the outside of the face piece 1 made of an elastic material such as rubber by appropriate means, and a pair of upper and lower head straps are inserted into the left and right sides of the yoke, respectively. A half-face mask for respiratory protection in which holes 6, 7, 8, and 9 are provided. (2) The half-face mask according to claim (1), wherein an exhaust valve cover 3 is provided integrally with the yoke. (3) The above-mentioned appropriate means consists of a cylindrical part 4 protruding from the back surface of the yoke and a yoke mounting hole formed in a face piece into which the cylindrical part can be fitted in an airtight manner, and the inner hole of the cylindrical part is connected to the yoke. 2. The half-face mask according to claim 1, wherein the diaphragm 11 for communication is attached to the inner hole of the cylindrical portion, which communicates the inside and outside of the mask through the cylindrical portion. (4) The half-face mask according to any one of claims (1), (2), or (3), wherein notches 21 and 22 for attaching a head strap are provided that communicate from the head strap insertion hole to the outer edge of the yoke. . (5) Claims (1), (2), or (3) in which each pair of head strap insertion holes on the left and right sides of the yoke are communicated through a head strap attachment slit 23, respectively.
) A half-face mask described in any of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP87389U JPH02126667U (en) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP87389U JPH02126667U (en) | 1989-01-10 | 1989-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126667U true JPH02126667U (en) | 1990-10-18 |
Family
ID=31504809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP87389U Pending JPH02126667U (en) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126667U (en) |
-
1989
- 1989-01-10 JP JP87389U patent/JPH02126667U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2067195A1 (en) | Respiratory protection device | |
| JPH02126667U (en) | ||
| JP2523988Y2 (en) | Dust mask | |
| JPH0713727Y2 (en) | mask | |
| CN217961041U (en) | Convenient detachable silica gel face guard of taking poison prevention box | |
| CN213128096U (en) | Mask | |
| CN212488571U (en) | Gauze mask | |
| JPH0432116Y2 (en) | ||
| CN211932713U (en) | Mask and protective suit | |
| JPH02135051U (en) | ||
| JPH0296517U (en) | ||
| JPH0455359U (en) | ||
| KR840002484Y1 (en) | Mask | |
| JPH0321350U (en) | ||
| KR910002524Y1 (en) | Ant-pollution protective respirator nose mask | |
| JPH02143923U (en) | ||
| JPH02126665U (en) | ||
| JPS6272620U (en) | ||
| JPH0465559U (en) | ||
| JPS6431762U (en) | ||
| JPS6230856U (en) | ||
| JPS6092545U (en) | Mounting parts | |
| JPS6041981Y2 (en) | Face piece voice plate-exhaust valve coupling device | |
| JPS62133653U (en) | ||
| JPH01150963U (en) |