DE2852516C2 - - Google Patents

Info

Publication number
DE2852516C2
DE2852516C2 DE2852516A DE2852516A DE2852516C2 DE 2852516 C2 DE2852516 C2 DE 2852516C2 DE 2852516 A DE2852516 A DE 2852516A DE 2852516 A DE2852516 A DE 2852516A DE 2852516 C2 DE2852516 C2 DE 2852516C2
Authority
DE
Germany
Prior art keywords
piston
mold
main piston
multiplier
pressure
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
DE2852516A
Other languages
German (de)
English (en)
Other versions
DE2852516A1 (de
Inventor
Walter 8832 Weissenburg De Wohlrab
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.)
Mannesmann Demag Krauss Maffei GmbH
Original Assignee
Krauss Maffei AG
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 Krauss Maffei AG filed Critical Krauss Maffei AG
Priority to DE19782852516 priority Critical patent/DE2852516A1/de
Priority to AT79104679T priority patent/ATE1978T1/de
Priority to EP79104679A priority patent/EP0011838B1/de
Priority to US06/099,895 priority patent/US4249880A/en
Priority to JP15696379A priority patent/JPS5579130A/ja
Publication of DE2852516A1 publication Critical patent/DE2852516A1/de
Application granted granted Critical
Publication of DE2852516C2 publication Critical patent/DE2852516C2/de
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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C45/6764—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement
    • B29C45/6771—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement the connection being provided within the clamping cylinder
DE19782852516 1978-12-05 1978-12-05 Formschliessvorrichtung fuer eine spritzgiessmaschine Granted DE2852516A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19782852516 DE2852516A1 (de) 1978-12-05 1978-12-05 Formschliessvorrichtung fuer eine spritzgiessmaschine
AT79104679T ATE1978T1 (de) 1978-12-05 1979-11-26 Formschliessvorrichtung fuer eine spritzgiessmaschine.
EP79104679A EP0011838B1 (de) 1978-12-05 1979-11-26 Formschliessvorrichtung für eine Spritzgiessmaschine
US06/099,895 US4249880A (en) 1978-12-05 1979-12-03 Mold-closing device for an injection-molding machine
JP15696379A JPS5579130A (en) 1978-12-05 1979-12-05 Mold clamping device for projection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782852516 DE2852516A1 (de) 1978-12-05 1978-12-05 Formschliessvorrichtung fuer eine spritzgiessmaschine

Publications (2)

Publication Number Publication Date
DE2852516A1 DE2852516A1 (de) 1980-06-19
DE2852516C2 true DE2852516C2 ( ) 1987-01-02

Family

ID=6056339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782852516 Granted DE2852516A1 (de) 1978-12-05 1978-12-05 Formschliessvorrichtung fuer eine spritzgiessmaschine

Country Status (5)

Country Link
US (1) US4249880A ( )
EP (1) EP0011838B1 ( )
JP (1) JPS5579130A ( )
AT (1) ATE1978T1 ( )
DE (1) DE2852516A1 ( )

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044137C2 (de) * 1980-11-24 1985-01-31 Karl 7298 Loßburg Hehl Formschließeinheit zum Aufnehmen einer Kunststoffspritzgießform
IT1151832B (it) * 1982-07-12 1986-12-24 Rutil Srl Pressa perfezionata per lo stampaggio della gomma
JPH02211965A (ja) * 1988-10-31 1990-08-23 Toshiba Mach Co Ltd 型締シリンダ装置
DE4209392C2 (de) * 1992-03-23 1995-10-12 Krauss Maffei Ag Formschließvorrichtung für eine Spritzgießmaschine
ATE170127T1 (de) * 1993-04-07 1998-09-15 Bruno Svoboda Formschliesseinheit
DE19523420C1 (de) * 1995-06-28 1996-09-12 Boy Gmbh Dr Hydraulische Formschließvorrichtung für eine Spritzgießmaschine
US6287488B1 (en) 1998-02-02 2001-09-11 Thomas J. Dougherty Method for injection molding of high quality parts
JP4146026B2 (ja) * 1998-04-24 2008-09-03 株式会社プライムポリマー 成形装置及び成形方法
US6270698B1 (en) 1999-05-25 2001-08-07 American Greetings Corp. Stress-relieved acrylic optical lenses and methods for manufacture by injection coining molding
US20080224353A1 (en) * 2007-03-14 2008-09-18 Husky Injection Molding Systems Ltd. Hydraulic Valve of Molding System
US7748974B2 (en) * 2007-11-14 2010-07-06 Jih Huang Machinery Industrial Co., Ltd. Molding machine
FR3028589B1 (fr) * 2014-11-14 2018-06-22 Db Industries Verin hydraulique a transfert de volume interne

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130154B (de) * 1958-04-21 1962-05-24 Bussmann K G Maschinenfabrik W Formschliesseinrichtung an hydraulisch betriebenen Spritzgussmaschinen od. dgl.
DE1296522B (de) * 1958-05-22 1969-05-29 Glas Maurus Hydraulische Druckeinheit mit Druckuebersetzung
AT274337B (de) * 1963-04-30 1969-09-10 Mannesmann Meer Ag Vorrichtung zum Verriegeln der Formschließeinheit an einer Spritzgußmaschine
US3263277A (en) * 1963-06-04 1966-08-02 Mannesmann Meer Ag Hold-shut device for injection molding
GB1121858A (en) * 1965-01-07 1968-07-31 Peco Machinery Ltd Improvements in or relating to press mechanisms
US3677685A (en) * 1970-04-22 1972-07-18 Katashi Aoki Mold clamping mechanism of injection molding machine
DE2146515A1 (de) * 1971-09-17 1973-03-29 Sommer Fritz Schnellschlusszylinder fuer spritzgiessmaschinen
GB1460291A (en) * 1973-05-08 1976-12-31 Gkn Windsor Ltd Injection moulding machines
FR2258949B3 ( ) * 1974-01-29 1977-10-21 Tibor Szabo
DE2453697C2 (de) * 1974-11-13 1976-12-09 Kloeckner Werke Ag Formschliessvorrichtung fuer spritzgiessmaschinen
US4017236A (en) * 1975-11-26 1977-04-12 Husky Injection Molding Systems Inc. Mold-clamping mechanism for injection-molding machine
JPS5342248A (en) * 1976-09-30 1978-04-17 Katashi Aoki Mold cramping device for injection molder

Also Published As

Publication number Publication date
EP0011838B1 (de) 1982-12-15
JPS6141287B2 ( ) 1986-09-13
EP0011838A1 (de) 1980-06-11
ATE1978T1 (de) 1982-12-15
DE2852516A1 (de) 1980-06-19
US4249880A (en) 1981-02-10
JPS5579130A (en) 1980-06-14

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Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee