JPS55106766A - Refrigeration type lens releasing apparatus - Google Patents
Refrigeration type lens releasing apparatusInfo
- Publication number
- JPS55106766A JPS55106766A JP1310179A JP1310179A JPS55106766A JP S55106766 A JPS55106766 A JP S55106766A JP 1310179 A JP1310179 A JP 1310179A JP 1310179 A JP1310179 A JP 1310179A JP S55106766 A JPS55106766 A JP S55106766A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerating room
- lens
- gas atmosphere
- cooled
- pitch
- 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.)
- Pending
Links
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
PURPOSE: To accurately release lenses from dishes without using expensive liquid nitrogen by applying shrinkage difference to lenses and pitches under the circulating cooling gas atmosphere.
CONSTITUTION: The refrigerating room 32 is filled with gas atmosphere such as nitrogen and carbonic acid gases. This gas atmosphere is cooled with the refrigerator 34 and the cooling pipe 35 which are provided in the refrigerating room 32. This cooled gas atmosphere circulates and is agitated in the refrigerating room 32 by the actuation of the fan 38 which rotates and is driven by the motor 39. The grinded lens 1 which is conveyed in this refrigerating room 32 and the pitch 2 with which this lens 1 is sealed on the dish 3 are quickly cooled. This permits the lens 1 to be manually released from the pitch 2 by the shrinkage difference of both 1 and 2. As described above, after the dish 3 and the lens 1 are cooled, the former is removed from the refrigerating room 34 and the latter is released from the pitch 2.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1310179A JPS55106766A (en) | 1979-02-07 | 1979-02-07 | Refrigeration type lens releasing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1310179A JPS55106766A (en) | 1979-02-07 | 1979-02-07 | Refrigeration type lens releasing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55106766A true JPS55106766A (en) | 1980-08-15 |
Family
ID=11823753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1310179A Pending JPS55106766A (en) | 1979-02-07 | 1979-02-07 | Refrigeration type lens releasing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55106766A (en) |
-
1979
- 1979-02-07 JP JP1310179A patent/JPS55106766A/en active Pending
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