EP0475645A3 - Method for controlling gas venting arrangement in injection molding apparatus, and device for controlling the same - Google Patents

Method for controlling gas venting arrangement in injection molding apparatus, and device for controlling the same Download PDF

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Publication number
EP0475645A3
EP0475645A3 EP19910307962 EP91307962A EP0475645A3 EP 0475645 A3 EP0475645 A3 EP 0475645A3 EP 19910307962 EP19910307962 EP 19910307962 EP 91307962 A EP91307962 A EP 91307962A EP 0475645 A3 EP0475645 A3 EP 0475645A3
Authority
EP
European Patent Office
Prior art keywords
controlling
injection molding
same
molding apparatus
gas venting
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
EP19910307962
Other versions
EP0475645B1 (en
EP0475645A2 (en
Inventor
Noriyoshi Yamauchi
Hitoshi Ishida
Kazuaki Kawai
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.)
Ryobi Ltd
Original Assignee
Ryobi 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 Ryobi Ltd filed Critical Ryobi Ltd
Publication of EP0475645A2 publication Critical patent/EP0475645A2/en
Publication of EP0475645A3 publication Critical patent/EP0475645A3/en
Application granted granted Critical
Publication of EP0475645B1 publication Critical patent/EP0475645B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/14—Machines with evacuated die cavity
    • B22D17/145—Venting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/32—Controlling equipment
EP19910307962 1990-09-14 1991-08-30 Method for controlling gas venting arrangement in injection molding apparatus, and device for controlling the same Expired - Lifetime EP0475645B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP245789/90 1990-09-14
JP24578990A JPH04123860A (en) 1990-09-14 1990-09-14 Method and device for controlling degassing device in injection molding machine

Publications (3)

Publication Number Publication Date
EP0475645A2 EP0475645A2 (en) 1992-03-18
EP0475645A3 true EP0475645A3 (en) 1992-12-09
EP0475645B1 EP0475645B1 (en) 1997-07-16

Family

ID=17138856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910307962 Expired - Lifetime EP0475645B1 (en) 1990-09-14 1991-08-30 Method for controlling gas venting arrangement in injection molding apparatus, and device for controlling the same

Country Status (2)

Country Link
EP (1) EP0475645B1 (en)
JP (1) JPH04123860A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2676293B2 (en) * 1992-03-13 1997-11-12 リョービ株式会社 Laminar injection molding machine and laminar injection molding method
DE4239558A1 (en) * 1992-11-25 1994-05-26 Mueller Weingarten Maschf Process for producing negative pressure in a die casting machine
JP2736491B2 (en) * 1992-11-25 1998-04-02 リョービ株式会社 Method and apparatus for discharging gas in mold
DE10022560A1 (en) * 2000-05-10 2001-11-15 Fuchs Lubritech Gmbh Pressure casting machine comprises a two-part casting mold forming a casting chamber via a ventilating channel, and a pressure monitoring device connected to the ventilating channel and arranged between a valve and a filter
US7481642B2 (en) * 2004-04-23 2009-01-27 Husky Injection Molding Systems Ltd. Method and apparatus for controlling a vent gap with active material elements
JP2013099756A (en) * 2011-11-07 2013-05-23 Direct 21 Corp Die casting system and die-casting manufacturing method
JP2014213573A (en) * 2013-04-26 2014-11-17 重夫 関根 Air vent valve device and injection molding mold
CN112170811A (en) * 2020-09-21 2021-01-05 滁州市共赢汽车配件有限公司 Extrusion casting equipment for clutch pressure plate cover

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743190A (en) * 1985-10-24 1988-05-10 Gebruder Buhler Ag Injection unit for injection molding or die-casting
DE3912006A1 (en) * 1988-05-16 1989-11-30 Ryobi Ltd GAS EXTRACTION DEVICE IN A HIGH-SPEED INJECTION MOLDING DEVICE AND METHOD FOR DOWNLOADING GAS IN THE HIGH-SPEED INJECTION MOLDING DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60250867A (en) * 1984-05-24 1985-12-11 Nippon Denso Co Ltd Method and device for die casting
JPS61245955A (en) * 1985-04-22 1986-11-01 Toshiba Corp Method for controlling flow rate of molten metal in casting
JPS6234659A (en) * 1985-08-09 1987-02-14 Hitachi Metals Ltd Method for changing over injection speed of die casting machine
JPH0275962A (en) * 1988-09-12 1990-03-15 Ahresty Corp Method for detecting flowing of molten metal
JP2645383B2 (en) * 1988-10-12 1997-08-25 リョービ 株式会社 Method for confirming operation of mold degassing apparatus and apparatus therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743190A (en) * 1985-10-24 1988-05-10 Gebruder Buhler Ag Injection unit for injection molding or die-casting
DE3912006A1 (en) * 1988-05-16 1989-11-30 Ryobi Ltd GAS EXTRACTION DEVICE IN A HIGH-SPEED INJECTION MOLDING DEVICE AND METHOD FOR DOWNLOADING GAS IN THE HIGH-SPEED INJECTION MOLDING DEVICE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 218 (M-607)(2665) 15 July 1987 & JP-A-62 34 659 ( HITACHI METALS LTD ) 14 February 1987 *

Also Published As

Publication number Publication date
EP0475645B1 (en) 1997-07-16
JPH04123860A (en) 1992-04-23
EP0475645A2 (en) 1992-03-18

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