JPS56130328A - Metal mold apparatus for injection molding hollow semispherical body - Google Patents

Metal mold apparatus for injection molding hollow semispherical body

Info

Publication number
JPS56130328A
JPS56130328A JP3416180A JP3416180A JPS56130328A JP S56130328 A JPS56130328 A JP S56130328A JP 3416180 A JP3416180 A JP 3416180A JP 3416180 A JP3416180 A JP 3416180A JP S56130328 A JPS56130328 A JP S56130328A
Authority
JP
Japan
Prior art keywords
rotary core
rotation
drive motor
core
semispherical body
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
JP3416180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6227973B2 (enExample
Inventor
Tatsumi Takahashi
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP3416180A priority Critical patent/JPS56130328A/ja
Publication of JPS56130328A publication Critical patent/JPS56130328A/ja
Publication of JPS6227973B2 publication Critical patent/JPS6227973B2/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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/5605—Rotatable mould parts

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)
JP3416180A 1980-03-19 1980-03-19 Metal mold apparatus for injection molding hollow semispherical body Granted JPS56130328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3416180A JPS56130328A (en) 1980-03-19 1980-03-19 Metal mold apparatus for injection molding hollow semispherical body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3416180A JPS56130328A (en) 1980-03-19 1980-03-19 Metal mold apparatus for injection molding hollow semispherical body

Publications (2)

Publication Number Publication Date
JPS56130328A true JPS56130328A (en) 1981-10-13
JPS6227973B2 JPS6227973B2 (enExample) 1987-06-17

Family

ID=12406475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3416180A Granted JPS56130328A (en) 1980-03-19 1980-03-19 Metal mold apparatus for injection molding hollow semispherical body

Country Status (1)

Country Link
JP (1) JPS56130328A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010111920A1 (zh) * 2009-03-31 2010-10-07 Zhang Huilun 一种整体无缝结构的乒乓球

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010111920A1 (zh) * 2009-03-31 2010-10-07 Zhang Huilun 一种整体无缝结构的乒乓球

Also Published As

Publication number Publication date
JPS6227973B2 (enExample) 1987-06-17

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