JPS55106766A - Refrigeration type lens releasing apparatus - Google Patents

Refrigeration type lens releasing apparatus

Info

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
Application number
JP1310179A
Other languages
Japanese (ja)
Inventor
Yohachi Takei
Hiroshi Hoshino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP1310179A priority Critical patent/JPS55106766A/en
Publication of JPS55106766A publication Critical patent/JPS55106766A/en
Pending legal-status Critical Current

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
JP1310179A 1979-02-07 1979-02-07 Refrigeration type lens releasing apparatus Pending JPS55106766A (en)

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)

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