CH670065A5 - - Google Patents

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Publication number
CH670065A5
CH670065A5 CH1939/86A CH193986A CH670065A5 CH 670065 A5 CH670065 A5 CH 670065A5 CH 1939/86 A CH1939/86 A CH 1939/86A CH 193986 A CH193986 A CH 193986A CH 670065 A5 CH670065 A5 CH 670065A5
Authority
CH
Switzerland
Prior art keywords
screw
locking ring
tip
plasticizing
phase
Prior art date
Application number
CH1939/86A
Other languages
German (de)
English (en)
Inventor
Rudolf Krebser
Jakob Kamm
Original Assignee
Netstal Ag Maschf Giesserei
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 Netstal Ag Maschf Giesserei filed Critical Netstal Ag Maschf Giesserei
Priority to CH1939/86A priority Critical patent/CH670065A5/de
Priority to DE19873711775 priority patent/DE3711775A1/de
Priority to JP62110890A priority patent/JPS62271720A/ja
Priority to IT20429/87A priority patent/IT1204566B/it
Priority to FR8706656A priority patent/FR2598651A1/fr
Priority to CN198787103685A priority patent/CN87103685A/zh
Publication of CH670065A5 publication Critical patent/CH670065A5/de

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
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CH1939/86A 1986-05-13 1986-05-13 CH670065A5 (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1939/86A CH670065A5 (enrdf_load_stackoverflow) 1986-05-13 1986-05-13
DE19873711775 DE3711775A1 (de) 1986-05-13 1987-04-08 Plastifizier- und spritzeinheit einer kunststoff- spritzgiessmaschine mit rueckstroemsperre
JP62110890A JPS62271720A (ja) 1986-05-13 1987-05-08 逆流防止弁を有する合成樹脂射出機械の可塑化及び射出ユニット
IT20429/87A IT1204566B (it) 1986-05-13 1987-05-08 Gruppo di plastificazione e d'iniezione di una macchina per lo stampaggio ad iniezione di materie plastiche con valvola di ritegno
FR8706656A FR2598651A1 (fr) 1986-05-13 1987-05-12 Unite de plastification et d'injection d'une machine de moulage de matiere plastique par injection comportant un clapet antiretour
CN198787103685A CN87103685A (zh) 1986-05-13 1987-05-13 具有回流闭锁装置的塑料压铸机的塑化喷射部件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1939/86A CH670065A5 (enrdf_load_stackoverflow) 1986-05-13 1986-05-13

Publications (1)

Publication Number Publication Date
CH670065A5 true CH670065A5 (enrdf_load_stackoverflow) 1989-05-12

Family

ID=4222129

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1939/86A CH670065A5 (enrdf_load_stackoverflow) 1986-05-13 1986-05-13

Country Status (6)

Country Link
JP (1) JPS62271720A (enrdf_load_stackoverflow)
CN (1) CN87103685A (enrdf_load_stackoverflow)
CH (1) CH670065A5 (enrdf_load_stackoverflow)
DE (1) DE3711775A1 (enrdf_load_stackoverflow)
FR (1) FR2598651A1 (enrdf_load_stackoverflow)
IT (1) IT1204566B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3076099B2 (ja) * 1991-09-03 2000-08-14 住友重機械プラスチックマシナリー株式会社 スクリュヘッド構造体
DE19517807B4 (de) * 1995-05-15 2004-06-09 Potthoff, Rüdiger Dreiteilige Rückstromsperre für thermoplastische Kunststoffe
DE19849472C2 (de) * 1998-10-21 2002-11-28 Demag Ergotech Gmbh Rückströmsperre für die Plastifizier- und Einspritzschnecke in Spritzgießmaschinen
CN100371154C (zh) * 2004-11-04 2008-02-27 湖北工业大学 内循环可控剪切密炼方法和装置
AT16962U1 (enrdf_load_stackoverflow) * 2019-04-25 2021-01-15 Engel Austria Gmbh
JP2023115453A (ja) * 2022-02-08 2023-08-21 株式会社日本製鋼所 逆流防止装置、スクリュ、および射出成形機
AT18310U1 (de) 2023-09-14 2024-09-15 Engel Austria Gmbh Rückstromsperre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921058A1 (de) * 1969-04-25 1970-11-05 R H Windsor Ltd Frankfurt M Gm Rueckstromsperre fuer Schnecken-Spritzgussmaschinen
DE2946683A1 (de) * 1979-11-20 1981-05-27 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg Rueckstroemsperre fuer schneckenspritzgiessmaschinen
DE3142756C2 (de) * 1981-10-28 1984-12-13 Bucher-Guyer AG Maschinenfabrik, Niederweningen, Zürich Rückströmsperre für eine Schneckenspritzgießmaschine

Also Published As

Publication number Publication date
JPS62271720A (ja) 1987-11-26
JPH0457176B2 (enrdf_load_stackoverflow) 1992-09-10
DE3711775A1 (de) 1987-11-19
IT8720429A0 (it) 1987-05-08
FR2598651A1 (fr) 1987-11-20
IT1204566B (it) 1989-03-10
CN87103685A (zh) 1987-12-02

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PL Patent ceased
PL Patent ceased