JPS54156062A - Injection punching molding method - Google Patents

Injection punching molding method

Info

Publication number
JPS54156062A
JPS54156062A JP6549078A JP6549078A JPS54156062A JP S54156062 A JPS54156062 A JP S54156062A JP 6549078 A JP6549078 A JP 6549078A JP 6549078 A JP6549078 A JP 6549078A JP S54156062 A JPS54156062 A JP S54156062A
Authority
JP
Japan
Prior art keywords
molding method
punching molding
injection punching
injection
punching
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
JP6549078A
Other languages
Japanese (ja)
Other versions
JPS6242773B2 (en
Inventor
Onobu Kubota
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.)
Nissei Plastic Industrial Co Ltd
Original Assignee
Nissei Plastic Industrial 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 Nissei Plastic Industrial Co Ltd filed Critical Nissei Plastic Industrial Co Ltd
Priority to JP6549078A priority Critical patent/JPS54156062A/en
Publication of JPS54156062A publication Critical patent/JPS54156062A/en
Publication of JPS6242773B2 publication Critical patent/JPS6242773B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/38—Cutting-off equipment for sprues or ingates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP6549078A 1978-05-31 1978-05-31 Injection punching molding method Granted JPS54156062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6549078A JPS54156062A (en) 1978-05-31 1978-05-31 Injection punching molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6549078A JPS54156062A (en) 1978-05-31 1978-05-31 Injection punching molding method

Publications (2)

Publication Number Publication Date
JPS54156062A true JPS54156062A (en) 1979-12-08
JPS6242773B2 JPS6242773B2 (en) 1987-09-10

Family

ID=13288579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6549078A Granted JPS54156062A (en) 1978-05-31 1978-05-31 Injection punching molding method

Country Status (1)

Country Link
JP (1) JPS54156062A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230731A (en) * 1983-06-14 1984-12-25 Meiki Co Ltd Injection molding apparatus for thin disc opened at center thereof
JPS60247532A (en) * 1984-05-23 1985-12-07 Tekunopurasu:Kk Formation of disc-shaped recording medium
JPS6227124A (en) * 1985-07-25 1987-02-05 クラウス−マツフアイ・アクチエンゲゼルシヤフト Method and device for manufacturing injection molded shape
JPS6367123A (en) * 1986-09-09 1988-03-25 Sumitomo Heavy Ind Ltd Injection molding equipment for molded item with punched hole

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230731A (en) * 1983-06-14 1984-12-25 Meiki Co Ltd Injection molding apparatus for thin disc opened at center thereof
JPS6245809B2 (en) * 1983-06-14 1987-09-29 Meiki Seisakusho Kk
JPS60247532A (en) * 1984-05-23 1985-12-07 Tekunopurasu:Kk Formation of disc-shaped recording medium
JPH0252613B2 (en) * 1984-05-23 1990-11-14 Tekunopurasu Kk
JPS6227124A (en) * 1985-07-25 1987-02-05 クラウス−マツフアイ・アクチエンゲゼルシヤフト Method and device for manufacturing injection molded shape
JPS6367123A (en) * 1986-09-09 1988-03-25 Sumitomo Heavy Ind Ltd Injection molding equipment for molded item with punched hole

Also Published As

Publication number Publication date
JPS6242773B2 (en) 1987-09-10

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