DE19928770B8 - injection molding machine - Google Patents

injection molding machine Download PDF

Info

Publication number
DE19928770B8
DE19928770B8 DE19928770A DE19928770A DE19928770B8 DE 19928770 B8 DE19928770 B8 DE 19928770B8 DE 19928770 A DE19928770 A DE 19928770A DE 19928770 A DE19928770 A DE 19928770A DE 19928770 B8 DE19928770 B8 DE 19928770B8
Authority
DE
Germany
Prior art keywords
injection molding
molding machine
machine
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 - Fee Related
Application number
DE19928770A
Other languages
German (de)
Other versions
DE19928770C2 (en
DE19928770A1 (en
Inventor
Walter 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.)
KraussMaffei Technologies GmbH
Original Assignee
Krauss Maffei Kunststofftechnik GmbH
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 Kunststofftechnik GmbH filed Critical Krauss Maffei Kunststofftechnik GmbH
Priority to DE19928770A priority Critical patent/DE19928770B8/en
Publication of DE19928770A1 publication Critical patent/DE19928770A1/en
Publication of DE19928770C2 publication Critical patent/DE19928770C2/en
Application granted granted Critical
Publication of DE19928770B8 publication Critical patent/DE19928770B8/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • B29C45/544—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw the plasticising unit being connected to a transfer chamber in the injection unit at the upstream side of the injection piston
    • 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
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
DE19928770A 1999-02-19 1999-06-23 injection molding machine Expired - Fee Related DE19928770B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19928770A DE19928770B8 (en) 1999-02-19 1999-06-23 injection molding machine

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19907169.1 1999-02-19
DE19907169 1999-02-19
DE19913240 1999-03-23
DE19913240.2 1999-03-23
DE19928770A DE19928770B8 (en) 1999-02-19 1999-06-23 injection molding machine

Publications (3)

Publication Number Publication Date
DE19928770A1 DE19928770A1 (en) 2000-08-31
DE19928770C2 DE19928770C2 (en) 2003-11-20
DE19928770B8 true DE19928770B8 (en) 2006-08-03

Family

ID=37808303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19928770A Expired - Fee Related DE19928770B8 (en) 1999-02-19 1999-06-23 injection molding machine

Country Status (1)

Country Link
DE (1) DE19928770B8 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10152244B4 (en) * 2001-10-23 2005-06-30 Krauss-Maffei Kunststofftechnik Gmbh Injection molding compounder
ITMI20020946A1 (en) * 2002-05-06 2003-11-06 P C R S R L MACHINE AND EXTRUSION PROCEDURE FOR PLASTIC MATERIAL IN PARTICULAR THERMOPLASTIC TO RECYCLE AND PRODUCT OBTAINED THROUGH THIS PRO
DE102007042808B3 (en) * 2007-09-07 2009-04-02 Kraussmaffei Technologies Gmbh Injection unit for plastic injection molding machine, has worm provided in injection cylinder, equipped with non-return valve and including one or multiple spirals, where drive unit includes piston-cylinder unit and rotary drive for worm
DE102011017610B3 (en) * 2011-04-27 2012-06-21 Oskar Frech Gmbh + Co. Kg Casting piston and casting unit with shut-off valve
GB2520769B (en) 2013-12-02 2016-03-09 Subsea 7 Ltd Techniques for coating pipeline field joints
JP7380531B2 (en) * 2020-11-16 2023-11-15 トヨタ自動車株式会社 Injection molding machines, injection molding equipment, injection molding methods and injection molding programs
CN113799319B (en) * 2021-11-18 2022-02-22 广东台进智能装备股份有限公司 Balanced dual-injection molding machine who exchanges

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310837A (en) * 1961-12-06 1967-03-28 Gewerk Schalker Eisenhuette Plasticizing device for extrusion or injection molding
GB1397461A (en) * 1971-05-21 1975-06-11 Morault G Injection moulding machine
JPS6463121A (en) * 1987-09-03 1989-03-09 Toshiba Machine Co Ltd Device for preventing backflow in injection molder
AT397229B (en) * 1992-03-12 1994-02-25 Engel Gmbh Maschbau Back flow stop for an injection unit for an injection- moulding machine
US5454995A (en) * 1994-04-18 1995-10-03 Cincinnati Milacron, Inc. Method for reducing cycle time in an injection molding machine
DE19607666C1 (en) * 1996-02-29 1997-07-10 Fritsch Rosemarie I Multiple screw compounding machine for thermoplastics

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310837A (en) * 1961-12-06 1967-03-28 Gewerk Schalker Eisenhuette Plasticizing device for extrusion or injection molding
GB1397461A (en) * 1971-05-21 1975-06-11 Morault G Injection moulding machine
JPS6463121A (en) * 1987-09-03 1989-03-09 Toshiba Machine Co Ltd Device for preventing backflow in injection molder
AT397229B (en) * 1992-03-12 1994-02-25 Engel Gmbh Maschbau Back flow stop for an injection unit for an injection- moulding machine
US5454995A (en) * 1994-04-18 1995-10-03 Cincinnati Milacron, Inc. Method for reducing cycle time in an injection molding machine
DE19607666C1 (en) * 1996-02-29 1997-07-10 Fritsch Rosemarie I Multiple screw compounding machine for thermoplastics

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DE-B.: Mink,W., "Grundzüge der Spritzgießtechnik", 1979, Zechner & Hüthig Verlag GmbH, Speyer am Rhein, S.192-195
DE-B.: Mink,W., "Grundzüge der Spritzgießtechnik",1979, Zechner & Hüthig Verlag GmbH, Speyer am Rhein, S.192-195 *
Patent abstracts of Japan M 838, 1989, Vol.13, No.258 & JP 01063121 A *
Patent abstracts of Japan M 838, 1989, Vol.13, No.258 JP 1-63121 A

Also Published As

Publication number Publication date
DE19928770C2 (en) 2003-11-20
DE19928770A1 (en) 2000-08-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8304 Grant after examination procedure
8364 No opposition during term of opposition
8396 Reprint of erroneous front page
8327 Change in the person/name/address of the patent owner

Owner name: KRAUSS MAFFEI GMBH, 80997 MUENCHEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: KRAUSSMAFFEI TECHNOLOGIES GMBH, 80997 MUENCHEN, DE

8339 Ceased/non-payment of the annual fee