JPS6233054B2 - - Google Patents

Info

Publication number
JPS6233054B2
JPS6233054B2 JP16466481A JP16466481A JPS6233054B2 JP S6233054 B2 JPS6233054 B2 JP S6233054B2 JP 16466481 A JP16466481 A JP 16466481A JP 16466481 A JP16466481 A JP 16466481A JP S6233054 B2 JPS6233054 B2 JP S6233054B2
Authority
JP
Japan
Prior art keywords
valve
nozzle
hole
needle valve
injection molding
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
Application number
JP16466481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5865639A (ja
Inventor
Shigeru Fujita
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP16466481A priority Critical patent/JPS5865639A/ja
Priority to US06/402,853 priority patent/US4443178A/en
Publication of JPS5865639A publication Critical patent/JPS5865639A/ja
Publication of JPS6233054B2 publication Critical patent/JPS6233054B2/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
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • 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
    • B29C45/20—Injection nozzles
    • B29C45/23—Feed stopping equipment
    • B29C45/231—Needle valve systems therefor
    • 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
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • B29C2045/308—Mixing or stirring devices
JP16466481A 1981-07-30 1981-10-15 射出成形機のマルチバルブノズル Granted JPS5865639A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP16466481A JPS5865639A (ja) 1981-10-15 1981-10-15 射出成形機のマルチバルブノズル
US06/402,853 US4443178A (en) 1981-07-30 1982-07-29 Valve nozzle devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16466481A JPS5865639A (ja) 1981-10-15 1981-10-15 射出成形機のマルチバルブノズル

Publications (2)

Publication Number Publication Date
JPS5865639A JPS5865639A (ja) 1983-04-19
JPS6233054B2 true JPS6233054B2 (it) 1987-07-18

Family

ID=15797465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16466481A Granted JPS5865639A (ja) 1981-07-30 1981-10-15 射出成形機のマルチバルブノズル

Country Status (1)

Country Link
JP (1) JPS5865639A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389646B1 (en) * 1988-10-13 1993-03-03 Seiki Corporation Co. Ltd. Process and apparatus for injection molding
US5248460A (en) * 1989-10-12 1993-09-28 Seiki Corporation Pressure-holding chamber type injection molding process and apparatus
US5849344A (en) * 1994-09-28 1998-12-15 Meiho Co., Ltd. Injection molding apparatus

Also Published As

Publication number Publication date
JPS5865639A (ja) 1983-04-19

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