JPS56139932A - Manufacture of disc - Google Patents

Manufacture of disc

Info

Publication number
JPS56139932A
JPS56139932A JP4258580A JP4258580A JPS56139932A JP S56139932 A JPS56139932 A JP S56139932A JP 4258580 A JP4258580 A JP 4258580A JP 4258580 A JP4258580 A JP 4258580A JP S56139932 A JPS56139932 A JP S56139932A
Authority
JP
Japan
Prior art keywords
film
disc
lower mold
resin
upper mold
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.)
Granted
Application number
JP4258580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6360441B2 (enrdf_load_stackoverflow
Inventor
Toshiji Fujita
Yoshio Nagashima
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.)
Toppan Inc
Original Assignee
Toppan Printing 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP4258580A priority Critical patent/JPS56139932A/ja
Publication of JPS56139932A publication Critical patent/JPS56139932A/ja
Publication of JPS6360441B2 publication Critical patent/JPS6360441B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP4258580A 1980-04-01 1980-04-01 Manufacture of disc Granted JPS56139932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4258580A JPS56139932A (en) 1980-04-01 1980-04-01 Manufacture of disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4258580A JPS56139932A (en) 1980-04-01 1980-04-01 Manufacture of disc

Publications (2)

Publication Number Publication Date
JPS56139932A true JPS56139932A (en) 1981-10-31
JPS6360441B2 JPS6360441B2 (enrdf_load_stackoverflow) 1988-11-24

Family

ID=12640138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4258580A Granted JPS56139932A (en) 1980-04-01 1980-04-01 Manufacture of disc

Country Status (1)

Country Link
JP (1) JPS56139932A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843704A (ja) * 1981-09-08 1983-03-14 川辺農研産業株式会社 作物の栽培床の形成のための耕起装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843704A (ja) * 1981-09-08 1983-03-14 川辺農研産業株式会社 作物の栽培床の形成のための耕起装置

Also Published As

Publication number Publication date
JPS6360441B2 (enrdf_load_stackoverflow) 1988-11-24

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