ATA9672003A - RETURN LOCK WITH CONTROLLABLE CLOSURE - Google Patents

RETURN LOCK WITH CONTROLLABLE CLOSURE

Info

Publication number
ATA9672003A
ATA9672003A AT9672003A AT9672003A ATA9672003A AT A9672003 A ATA9672003 A AT A9672003A AT 9672003 A AT9672003 A AT 9672003A AT 9672003 A AT9672003 A AT 9672003A AT A9672003 A ATA9672003 A AT A9672003A
Authority
AT
Austria
Prior art keywords
return lock
controllable closure
controllable
closure
lock
Prior art date
Application number
AT9672003A
Other languages
German (de)
Other versions
AT413674B (en
Inventor
Johann Ing Holzschuh
Original Assignee
Grasser Margarete
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 Grasser Margarete filed Critical Grasser Margarete
Publication of ATA9672003A publication Critical patent/ATA9672003A/en
Application granted granted Critical
Publication of AT413674B publication Critical patent/AT413674B/en

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
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
AT9672003A 2002-08-30 2003-06-24 RETURN LOCK WITH CONTROLLABLE CLOSURE AT413674B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002139929 DE10239929B4 (en) 2002-08-30 2002-08-30 Backflow lock with controllable closure

Publications (2)

Publication Number Publication Date
ATA9672003A true ATA9672003A (en) 2005-09-15
AT413674B AT413674B (en) 2006-04-15

Family

ID=31724192

Family Applications (1)

Application Number Title Priority Date Filing Date
AT9672003A AT413674B (en) 2002-08-30 2003-06-24 RETURN LOCK WITH CONTROLLABLE CLOSURE

Country Status (2)

Country Link
AT (1) AT413674B (en)
DE (1) DE10239929B4 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164207A (en) * 1991-11-08 1992-11-17 Spirex Corporation Plastic extruder with automatic shut-off valve
AT396902B (en) * 1992-03-12 1993-12-27 Engel Gmbh Maschbau Non-return valve for an injection unit of an injection- moulding machine
JP2571523B2 (en) * 1993-09-28 1997-01-16 日精樹脂工業株式会社 Injection screw
JP3877190B2 (en) * 1997-07-18 2007-02-07 住友重機械工業株式会社 Backflow prevention device
DE10059615B4 (en) * 2000-12-01 2004-11-18 Battenfeld Gmbh Return valve

Also Published As

Publication number Publication date
AT413674B (en) 2006-04-15
DE10239929B4 (en) 2008-05-08
DE10239929A1 (en) 2004-03-18

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee