JPS51111258A - Method of making metal mold - Google Patents

Method of making metal mold

Info

Publication number
JPS51111258A
JPS51111258A JP50036337A JP3633775A JPS51111258A JP S51111258 A JPS51111258 A JP S51111258A JP 50036337 A JP50036337 A JP 50036337A JP 3633775 A JP3633775 A JP 3633775A JP S51111258 A JPS51111258 A JP S51111258A
Authority
JP
Japan
Prior art keywords
metal mold
making metal
making
mold
metal
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
JP50036337A
Other languages
Japanese (ja)
Other versions
JPS5935305B2 (en
Inventor
Fumio Karakawa
Takashi Segawa
Hiroaki Ishibashi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP50036337A priority Critical patent/JPS5935305B2/en
Publication of JPS51111258A publication Critical patent/JPS51111258A/en
Publication of JPS5935305B2 publication Critical patent/JPS5935305B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Overhead Projectors And Projection Screens (AREA)
JP50036337A 1975-03-26 1975-03-26 Mold manufacturing method Expired JPS5935305B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50036337A JPS5935305B2 (en) 1975-03-26 1975-03-26 Mold manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50036337A JPS5935305B2 (en) 1975-03-26 1975-03-26 Mold manufacturing method

Publications (2)

Publication Number Publication Date
JPS51111258A true JPS51111258A (en) 1976-10-01
JPS5935305B2 JPS5935305B2 (en) 1984-08-28

Family

ID=12467006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50036337A Expired JPS5935305B2 (en) 1975-03-26 1975-03-26 Mold manufacturing method

Country Status (1)

Country Link
JP (1) JPS5935305B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923334A (en) * 1982-07-29 1984-02-06 Victor Co Of Japan Ltd Transmission type screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923334A (en) * 1982-07-29 1984-02-06 Victor Co Of Japan Ltd Transmission type screen

Also Published As

Publication number Publication date
JPS5935305B2 (en) 1984-08-28

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