JPH0229010B2 - - Google Patents

Info

Publication number
JPH0229010B2
JPH0229010B2 JP59097327A JP9732784A JPH0229010B2 JP H0229010 B2 JPH0229010 B2 JP H0229010B2 JP 59097327 A JP59097327 A JP 59097327A JP 9732784 A JP9732784 A JP 9732784A JP H0229010 B2 JPH0229010 B2 JP H0229010B2
Authority
JP
Japan
Prior art keywords
mold
sleeve
hot runner
core
needle
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.)
Expired - Lifetime
Application number
JP59097327A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60240425A (ja
Inventor
Naoki Takigawa
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries 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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP9732784A priority Critical patent/JPS60240425A/ja
Publication of JPS60240425A publication Critical patent/JPS60240425A/ja
Publication of JPH0229010B2 publication Critical patent/JPH0229010B2/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
    • B29C45/26—Moulds
    • B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
    • B29C45/322—Runner systems for distributing the moulding material to the stacked mould cavities
    • 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
    • B29C45/2758—Means for preventing drooling by decompression of the moulding material
    • 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
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP9732784A 1984-05-15 1984-05-15 多重成形金型用樹脂漏れ防止装置 Granted JPS60240425A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9732784A JPS60240425A (ja) 1984-05-15 1984-05-15 多重成形金型用樹脂漏れ防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9732784A JPS60240425A (ja) 1984-05-15 1984-05-15 多重成形金型用樹脂漏れ防止装置

Publications (2)

Publication Number Publication Date
JPS60240425A JPS60240425A (ja) 1985-11-29
JPH0229010B2 true JPH0229010B2 (de) 1990-06-27

Family

ID=14189387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9732784A Granted JPS60240425A (ja) 1984-05-15 1984-05-15 多重成形金型用樹脂漏れ防止装置

Country Status (1)

Country Link
JP (1) JPS60240425A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104810A (ja) * 1986-10-21 1988-05-10 Nec Corp プラスチツク円板の成形金型
AU4531500A (en) * 1999-05-10 2000-11-21 Mold-Masters Limited Method and apparatus for distributing melt in a multi-level stack mold
US6348171B1 (en) 1999-05-11 2002-02-19 Mold Masters Limited Drool control apparatus and method
NL1017239C2 (nl) * 2001-01-30 2002-07-31 Tooltech B V Etagematrijs voor een spuitgietinrichting, alsmede spuitgietinrichting voorzien van een etagematrijs.
CA2407163C (en) * 2002-10-09 2010-12-14 Stackteck Systems Ltd. Valve pin cross over nozzle
US7416402B2 (en) 2003-03-31 2008-08-26 Mold-Masters (2007) Limited Sprue bushing anti-drool device
US7115226B2 (en) 2003-06-20 2006-10-03 Mold-Masters Limited Stack mold having a melt homogenizing element
US7125242B2 (en) 2003-08-11 2006-10-24 Mold-Masters Limited Decompression device for an injection molding apparatus
CA2545283C (en) 2003-11-12 2011-04-05 Stackteck Systems Ltd. Valve pin cross over nozzle for stack mould

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118360U (de) * 1976-03-05 1977-09-08

Also Published As

Publication number Publication date
JPS60240425A (ja) 1985-11-29

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