JP2531996Y2 - 火災感知器 - Google Patents
火災感知器Info
- Publication number
- JP2531996Y2 JP2531996Y2 JP1990068857U JP6885790U JP2531996Y2 JP 2531996 Y2 JP2531996 Y2 JP 2531996Y2 JP 1990068857 U JP1990068857 U JP 1990068857U JP 6885790 U JP6885790 U JP 6885790U JP 2531996 Y2 JP2531996 Y2 JP 2531996Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- main body
- fire detector
- circuit board
- printed circuit
- 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
- 230000001681 protective effect Effects 0.000 claims description 20
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990068857U JP2531996Y2 (ja) | 1990-06-28 | 1990-06-28 | 火災感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990068857U JP2531996Y2 (ja) | 1990-06-28 | 1990-06-28 | 火災感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0428389U JPH0428389U (enrdf_load_stackoverflow) | 1992-03-06 |
| JP2531996Y2 true JP2531996Y2 (ja) | 1997-04-09 |
Family
ID=31603656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990068857U Expired - Lifetime JP2531996Y2 (ja) | 1990-06-28 | 1990-06-28 | 火災感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531996Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022180763A1 (ja) * | 2021-02-26 | 2022-09-01 | ホーチキ株式会社 | 熱感知器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5040740Y2 (enrdf_load_stackoverflow) * | 1971-04-19 | 1975-11-20 |
-
1990
- 1990-06-28 JP JP1990068857U patent/JP2531996Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428389U (enrdf_load_stackoverflow) | 1992-03-06 |
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