JP7197921B2 - 作業用フェイスマスク - Google Patents
作業用フェイスマスク Download PDFInfo
- Publication number
- JP7197921B2 JP7197921B2 JP2020216707A JP2020216707A JP7197921B2 JP 7197921 B2 JP7197921 B2 JP 7197921B2 JP 2020216707 A JP2020216707 A JP 2020216707A JP 2020216707 A JP2020216707 A JP 2020216707A JP 7197921 B2 JP7197921 B2 JP 7197921B2
- Authority
- JP
- Japan
- Prior art keywords
- mask
- face
- valve body
- ventilation
- valve
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 claims description 47
- 238000005192 partition Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 15
- 230000007246 mechanism Effects 0.000 description 11
- 210000003128 head Anatomy 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020029041 | 2020-02-25 | ||
| JP2020029041 | 2020-02-25 | ||
| JP2020124237 | 2020-07-21 | ||
| JP2020124237 | 2020-07-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022007931A JP2022007931A (ja) | 2022-01-13 |
| JP2022007931A5 JP2022007931A5 (enExample) | 2022-03-25 |
| JP7197921B2 true JP7197921B2 (ja) | 2022-12-28 |
Family
ID=80110052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020216707A Active JP7197921B2 (ja) | 2020-02-25 | 2020-12-25 | 作業用フェイスマスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7197921B2 (enExample) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3230939C2 (de) * | 1982-08-20 | 1984-06-28 | Drägerwerk AG, 2400 Lübeck | Atemschutzmaske mit Innenhalbmaske |
| JPS59156356A (ja) * | 1983-02-25 | 1984-09-05 | 株式会社 笠井仏檀工芸 | 作業用マスク |
| JPS6055455U (ja) * | 1983-09-27 | 1985-04-18 | 防衛庁技術研究本部長 | 全面マスク |
-
2020
- 2020-12-25 JP JP2020216707A patent/JP7197921B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022007931A (ja) | 2022-01-13 |
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