JPS6045048U - Attachment device for exhalation valve cover for dust mask - Google Patents
Attachment device for exhalation valve cover for dust maskInfo
- Publication number
- JPS6045048U JPS6045048U JP13721083U JP13721083U JPS6045048U JP S6045048 U JPS6045048 U JP S6045048U JP 13721083 U JP13721083 U JP 13721083U JP 13721083 U JP13721083 U JP 13721083U JP S6045048 U JPS6045048 U JP S6045048U
- Authority
- JP
- Japan
- Prior art keywords
- exhalation valve
- cover
- protrusion
- valve cover
- attachment device
- 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.)
- Granted
Links
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本案の実施例を示すものにして、第１図は呼気弁
取付枠と、カバーとを接合した場合の側面図、第２図は
呼気弁取付枠と、カバーとを分離した側面図、第３図は
カバーの内側を示す平面図、第４図は呼気弁取付枠の弁
体面を示す平面図、第５図はカバーを呼気弁取付枠から
分離するときの説明図、第６図は本案を防塵マスクに実
施したその態様図である。
１・・・呼気弁、２・・・呼気弁取付枠、３・・・カバ
ー、４・・・嵌合突縁部、５・・・囲繞凸条、６・・・
囲繞凹溝、７・・・周縁、８・・・保合突起片、９・・
・張り出し突片。The drawings show an embodiment of the present invention; FIG. 1 is a side view of the exhalation valve mounting frame and the cover joined together; FIG. 2 is a side view of the exhalation valve mounting frame and the cover separated; Fig. 3 is a plan view showing the inside of the cover, Fig. 4 is a plan view showing the valve body surface of the exhalation valve mounting frame, Fig. 5 is an explanatory diagram when separating the cover from the exhalation valve mounting frame, and Fig. 6 is a plan view showing the valve body surface of the exhalation valve mounting frame. FIG. 3 is a diagram showing a state in which the present invention is applied to a dust mask. DESCRIPTION OF SYMBOLS 1... Exhalation valve, 2... Exhalation valve mounting frame, 3... Cover, 4... Fitting protrusion, 5... Surrounding convex strip, 6...
Surrounding concave groove, 7...periphery, 8...retaining protrusion piece, 9...
- Overhanging protrusion.
Claims (1)
由に取付けるよろにした呼気弁カバー装置に於て、呼気
弁取付枠と、カバーとの嵌合突縁部に、係合用囲繞凸条
と、これと係合する囲繞凹溝とを設け、且つカバーの接
合端面と当接する呼気弁取付枠の接合周縁の適所に、外
方に突出した保合突起片を設け、一方力バーの縁部適所
に、前記呼気弁取付枠に設けた係合突起片と係合する張
り出し突片を設けたことを特徴とする、防塵マスク用呼
気弁カバーの取付装置。In an exhalation valve cover device in which a cover is detachably attached to an exhalation valve attachment frame attached to a mask body, an engagement surrounding protrusion is provided on a fitting protrusion between the exhalation valve attachment frame and the cover; A surrounding concave groove is provided to engage with this, and a retaining protrusion protruding outward is provided at an appropriate position on the joint periphery of the exhalation valve mounting frame that contacts the joint end surface of the cover, while the edge of the force bar is provided at a suitable position. An attachment device for an exhalation valve cover for a dust-proof mask, characterized in that an overhanging protrusion is provided that engages with an engagement protrusion provided on the exhalation valve attachment frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13721083U JPS6045048U (en) | 1983-09-03 | 1983-09-03 | Attachment device for exhalation valve cover for dust mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13721083U JPS6045048U (en) | 1983-09-03 | 1983-09-03 | Attachment device for exhalation valve cover for dust mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6045048U true JPS6045048U (en) | 1985-03-29 |
| JPH0244766Y2 JPH0244766Y2 (en) | 1990-11-28 |
Family
ID=30308266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13721083U Granted JPS6045048U (en) | 1983-09-03 | 1983-09-03 | Attachment device for exhalation valve cover for dust mask |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045048U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642637U (en) * | 1979-09-10 | 1981-04-18 |
-
1983
- 1983-09-03 JP JP13721083U patent/JPS6045048U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642637U (en) * | 1979-09-10 | 1981-04-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0244766Y2 (en) | 1990-11-28 |
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