JPS5470A - Mold for resin molds - Google Patents

Mold for resin molds

Info

Publication number
JPS5470A
JPS5470A JP6483477A JP6483477A JPS5470A JP S5470 A JPS5470 A JP S5470A JP 6483477 A JP6483477 A JP 6483477A JP 6483477 A JP6483477 A JP 6483477A JP S5470 A JPS5470 A JP S5470A
Authority
JP
Japan
Prior art keywords
mold
resin molds
gate
circular arc
resin
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.)
Pending
Application number
JP6483477A
Other languages
Japanese (ja)
Inventor
Yuji Sano
Hajime Murakami
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6483477A priority Critical patent/JPS5470A/en
Publication of JPS5470A publication Critical patent/JPS5470A/en
Pending 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:A mold for resin molds designed to obtain molded articles of good quality with few voids, wherein the extending shape from the gate to the molding cavity is made a specific circular arc.
JP6483477A 1977-06-03 1977-06-03 Mold for resin molds Pending JPS5470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6483477A JPS5470A (en) 1977-06-03 1977-06-03 Mold for resin molds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6483477A JPS5470A (en) 1977-06-03 1977-06-03 Mold for resin molds

Publications (1)

Publication Number Publication Date
JPS5470A true JPS5470A (en) 1979-01-05

Family

ID=13269664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6483477A Pending JPS5470A (en) 1977-06-03 1977-06-03 Mold for resin molds

Country Status (1)

Country Link
JP (1) JPS5470A (en)

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