JPH0248804Y2 - - Google Patents
Info
- Publication number
- JPH0248804Y2 JPH0248804Y2 JP12804080U JP12804080U JPH0248804Y2 JP H0248804 Y2 JPH0248804 Y2 JP H0248804Y2 JP 12804080 U JP12804080 U JP 12804080U JP 12804080 U JP12804080 U JP 12804080U JP H0248804 Y2 JPH0248804 Y2 JP H0248804Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- helicoid
- lens
- barrel base
- plastic material
- 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
Links
- 239000000463 material Substances 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 14
- 239000000314 lubricant Substances 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 8
- 239000004519 grease Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 229930182556 Polyacetal Natural products 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804080U JPH0248804Y2 (en)van) | 1980-09-08 | 1980-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12804080U JPH0248804Y2 (en)van) | 1980-09-08 | 1980-09-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5751904U JPS5751904U (en)van) | 1982-03-25 |
| JPH0248804Y2 true JPH0248804Y2 (en)van) | 1990-12-21 |
Family
ID=29488434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12804080U Expired JPH0248804Y2 (en)van) | 1980-09-08 | 1980-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248804Y2 (en)van) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4096042B2 (ja) * | 2002-11-29 | 2008-06-04 | 株式会社モールド技術研究所 | 鏡胴付きレンズとその製造方法 |
-
1980
- 1980-09-08 JP JP12804080U patent/JPH0248804Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5751904U (en)van) | 1982-03-25 |
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