JPH0165049U - - Google Patents
Info
- Publication number
- JPH0165049U JPH0165049U JP1987159932U JP15993287U JPH0165049U JP H0165049 U JPH0165049 U JP H0165049U JP 1987159932 U JP1987159932 U JP 1987159932U JP 15993287 U JP15993287 U JP 15993287U JP H0165049 U JPH0165049 U JP H0165049U
- Authority
- JP
- Japan
- Prior art keywords
- filter case
- intake port
- case body
- filter
- case cover
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000000428 dust Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Examining Or Testing Airtightness (AREA)
Description
第１図は、本考案の一実施例の構成図、第２図
は、同ゴム栓の斜視図、第３図は、従来例の構成
図、第４図は、同従来例のフイツテイングテスト
時の動作説明図である。
１……面体、３……フイルタ、１２……フイル
タケース本体、１４……フイルタカバー、１５…
…吸気口、１６……ゴム栓。
Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a perspective view of the same rubber stopper, Fig. 3 is a block diagram of a conventional example, and Fig. 4 is a fitting diagram of the conventional example. FIG. 3 is an explanatory diagram of operation during a test. 1... Facepiece, 3... Filter, 12... Filter case body, 14... Filter cover, 15...
...Intake port, 16...Rubber plug.
Claims (1)
、該フイルタケース本体との間にフイルタを配置
し周縁部を前記フイルタケース本体の周縁部に気
密状態に嵌着したフイルタケースカバーと、該フ
イルタケースカバーの一部に設けられたスリツト
状の吸気口と、該吸気口に着脱可能なゴム栓とか
らなり、前記吸気口に前記ゴム栓を取付けて陰圧
式フイツテイングテストを行なえるようにしたこ
とを特徴とする防じんマスク。 A filter case body provided on a mask facepiece, a filter case cover in which a filter is disposed between the filter case body and a peripheral edge thereof is hermetically fitted to the peripheral edge of the filter case body, and a filter case cover of the filter case cover. It consists of a slit-shaped intake port provided in a part and a rubber plug that can be attached to and detached from the intake port, and the rubber plug can be attached to the intake port to perform a negative pressure fitting test. Features a dust mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159932U JPH0165049U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159932U JPH0165049U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165049U true JPH0165049U (en) | 1989-04-26 |
Family
ID=31441571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159932U Pending JPH0165049U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165049U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6154851B2 (en) * | 1983-12-08 | 1986-11-25 | Sumitomo Light Metal Ind |
-
1987
- 1987-10-21 JP JP1987159932U patent/JPH0165049U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6154851B2 (en) * | 1983-12-08 | 1986-11-25 | Sumitomo Light Metal Ind |
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