JPS60240425A - 多重成形金型用樹脂漏れ防止装置 - Google Patents

多重成形金型用樹脂漏れ防止装置

Info

Publication number
JPS60240425A
JPS60240425A JP9732784A JP9732784A JPS60240425A JP S60240425 A JPS60240425 A JP S60240425A JP 9732784 A JP9732784 A JP 9732784A JP 9732784 A JP9732784 A JP 9732784A JP S60240425 A JPS60240425 A JP S60240425A
Authority
JP
Japan
Prior art keywords
resin
hot runner
gate
sleeve
resin leakage
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
JP9732784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0229010B2 (enrdf_load_stackoverflow
Inventor
Naoki Takigawa
直樹 滝川
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 true JPS60240425A (ja) 1985-11-29
JPH0229010B2 JPH0229010B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
WO2000067986A1 (en) * 1999-05-11 2000-11-16 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.
JP2002544004A (ja) * 1999-05-10 2002-12-24 モールド‐マスターズ、リミテッド 多段スタック金型における溶融物分岐方法および装置
WO2004033182A1 (en) * 2002-10-09 2004-04-22 Stackteck Systems Ltd. Valve pin cross over nozzle for stack mould
WO2005046960A1 (en) * 2003-11-12 2005-05-26 Stackteck Systems Ltd. Valve pin cross over nozzle for stack mould
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
US7416402B2 (en) 2003-03-31 2008-08-26 Mold-Masters (2007) Limited Sprue bushing anti-drool device

Citations (1)

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

Patent Citations (1)

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

Cited By (11)

* 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
JP2002544004A (ja) * 1999-05-10 2002-12-24 モールド‐マスターズ、リミテッド 多段スタック金型における溶融物分岐方法および装置
WO2000067986A1 (en) * 1999-05-11 2000-11-16 Mold-Masters Limited Drool control apparatus and method
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.
WO2004033182A1 (en) * 2002-10-09 2004-04-22 Stackteck Systems Ltd. Valve pin cross over nozzle for stack mould
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
WO2005046960A1 (en) * 2003-11-12 2005-05-26 Stackteck Systems Ltd. Valve pin cross over nozzle for stack mould
US7287549B2 (en) 2003-11-12 2007-10-30 Stackteck Systems, Ltd Valve pin cross over nozzle for stack mould

Also Published As

Publication number Publication date
JPH0229010B2 (enrdf_load_stackoverflow) 1990-06-27

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