JPH0748272Y2 - 防塵用マスクの濾過体 - Google Patents
防塵用マスクの濾過体Info
- Publication number
- JPH0748272Y2 JPH0748272Y2 JP11966789U JP11966789U JPH0748272Y2 JP H0748272 Y2 JPH0748272 Y2 JP H0748272Y2 JP 11966789 U JP11966789 U JP 11966789U JP 11966789 U JP11966789 U JP 11966789U JP H0748272 Y2 JPH0748272 Y2 JP H0748272Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer frame
- frame plate
- central member
- fixed
- rib
- 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.)
- Expired - Lifetime
Links
- 239000000428 dust Substances 0.000 title claims description 19
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11966789U JPH0748272Y2 (ja) | 1989-10-16 | 1989-10-16 | 防塵用マスクの濾過体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11966789U JPH0748272Y2 (ja) | 1989-10-16 | 1989-10-16 | 防塵用マスクの濾過体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0358448U JPH0358448U (enrdf_load_stackoverflow) | 1991-06-06 |
| JPH0748272Y2 true JPH0748272Y2 (ja) | 1995-11-08 |
Family
ID=31667778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11966789U Expired - Lifetime JPH0748272Y2 (ja) | 1989-10-16 | 1989-10-16 | 防塵用マスクの濾過体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748272Y2 (enrdf_load_stackoverflow) |
-
1989
- 1989-10-16 JP JP11966789U patent/JPH0748272Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0358448U (enrdf_load_stackoverflow) | 1991-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |