JPH0221367B2 - - Google Patents

Info

Publication number
JPH0221367B2
JPH0221367B2 JP23085083A JP23085083A JPH0221367B2 JP H0221367 B2 JPH0221367 B2 JP H0221367B2 JP 23085083 A JP23085083 A JP 23085083A JP 23085083 A JP23085083 A JP 23085083A JP H0221367 B2 JPH0221367 B2 JP H0221367B2
Authority
JP
Japan
Prior art keywords
concave lens
mold
injection
raw material
resin raw
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
Application number
JP23085083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60122117A (ja
Inventor
Takeshi Ishida
Yoshihiro Ishida
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.)
Ishida Scales Manufacturing Co Ltd
Original Assignee
Ishida Scales Manufacturing 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 Ishida Scales Manufacturing Co Ltd filed Critical Ishida Scales Manufacturing Co Ltd
Priority to JP23085083A priority Critical patent/JPS60122117A/ja
Publication of JPS60122117A publication Critical patent/JPS60122117A/ja
Publication of JPH0221367B2 publication Critical patent/JPH0221367B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP23085083A 1983-12-06 1983-12-06 凹レンズの製造方法およびその装置 Granted JPS60122117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23085083A JPS60122117A (ja) 1983-12-06 1983-12-06 凹レンズの製造方法およびその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23085083A JPS60122117A (ja) 1983-12-06 1983-12-06 凹レンズの製造方法およびその装置

Publications (2)

Publication Number Publication Date
JPS60122117A JPS60122117A (ja) 1985-06-29
JPH0221367B2 true JPH0221367B2 (cs) 1990-05-14

Family

ID=16914268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23085083A Granted JPS60122117A (ja) 1983-12-06 1983-12-06 凹レンズの製造方法およびその装置

Country Status (1)

Country Link
JP (1) JPS60122117A (cs)

Also Published As

Publication number Publication date
JPS60122117A (ja) 1985-06-29

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