ZA712692B - Extruding plastic material - Google Patents

Extruding plastic material

Info

Publication number
ZA712692B
ZA712692B ZA712692A ZA712692A ZA712692B ZA 712692 B ZA712692 B ZA 712692B ZA 712692 A ZA712692 A ZA 712692A ZA 712692 A ZA712692 A ZA 712692A ZA 712692 B ZA712692 B ZA 712692B
Authority
ZA
South Africa
Prior art keywords
plastic material
extruding plastic
extruding
plastic
Prior art date
Application number
ZA712692A
Other languages
English (en)
Inventor
R Dray
D Lawrence
Original Assignee
Feed Screws Inc
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 Feed Screws Inc filed Critical Feed Screws Inc
Publication of ZA712692B publication Critical patent/ZA712692B/xx

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
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ZA712692A 1970-05-05 1971-04-26 Extruding plastic material ZA712692B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3472670A 1970-05-05 1970-05-05

Publications (1)

Publication Number Publication Date
ZA712692B true ZA712692B (en) 1972-12-27

Family

ID=21878212

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712692A ZA712692B (en) 1970-05-05 1971-04-26 Extruding plastic material

Country Status (6)

Country Link
US (1) US3650652A (fr)
AU (1) AU2823171A (fr)
CH (1) CH521845A (fr)
DE (1) DE2121914A1 (fr)
FR (1) FR2091254A5 (fr)
ZA (1) ZA712692B (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881708A (en) * 1972-06-15 1975-05-06 Usm Corp Mixing extruders
US3867079A (en) * 1972-08-10 1975-02-18 Goodrich Co B F Apparatus for extruding polymeric material
USRE28901E (en) * 1972-08-10 1976-07-13 The B. F. Goodrich Company Apparatus for refining polymeric material
US3897938A (en) * 1972-08-10 1975-08-05 Goodrich Co B F Apparatus for refining polymeric material
CH558714A (fr) * 1972-10-09 1975-02-14 Maillefer Sa Vis pour extrudeuse de thermoplastes ou d'elastomeres.
US3866890A (en) * 1973-11-13 1975-02-18 Scient Process & Research Inc Apparatus for simultaneous plasticating and mixing
US3888469A (en) * 1974-02-05 1975-06-10 Uniroyal Inc Extrusion mill
US4185060A (en) * 1978-03-17 1980-01-22 Ladney M Jr Method of manufacturing structural foam plastic products free from undesirable contaminant constituents
US4227870A (en) * 1979-03-14 1980-10-14 The B. F. Goodrich Company Apparatus for working rubber compounds
US4341474A (en) * 1980-08-27 1982-07-27 Wheeler Jr Norton C Extruder screw
US4347207A (en) * 1981-01-27 1982-08-31 Kling-Tecs, Inc. Method of extruding polypropylene yarn
US4632795A (en) * 1982-11-26 1986-12-30 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of cellulose bearing materials
DE3311176A1 (de) * 1983-03-26 1984-10-04 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum extrudieren von mit hohlen glaskugeln gefuelltem kunststoff
CH662531A5 (de) * 1983-09-30 1987-10-15 Netstal Ag Maschf Giesserei Schnecken-plastifizier- und foerdereinrichtung einer kunststoff-spritzgiessmaschine.
DE3690220T1 (fr) * 1985-05-02 1987-06-04
US4896969A (en) * 1985-05-02 1990-01-30 Dray Robert F Method and apparatus for melting and conveying plasticated material
DE3915603C1 (fr) * 1989-05-12 1990-03-15 Basf Ag, 6700 Ludwigshafen, De
JP3170757B2 (ja) * 1990-08-31 2001-05-28 東芝機械株式会社 バリヤスクリュ
DE4232988A1 (de) * 1992-10-01 1994-04-07 Hoechst Ag Verfahren und Vorrichtung zur Herstellung von Extrudaten aus ultrahochmolekularem Polyethylen
US6139179A (en) * 1999-09-03 2000-10-31 Davis-Standard Corporation Extruder screw having multi-channeled barrier section
DE10245278B4 (de) * 2002-09-27 2005-08-25 Lindauer Dornier Gmbh Plastizierschnecke für einen Extruder
US6988821B2 (en) * 2002-12-30 2006-01-24 Dray Sr Robert F Plastics screw with barrier members
US8177413B2 (en) * 2010-03-05 2012-05-15 Chung Chan I Scientifically designed barrier screw
CN102285018B (zh) * 2011-04-29 2014-02-19 华东理工大学 用于不同熔点塑料分离的螺杆及包括其的装置
CN104691001B (zh) * 2014-07-16 2017-06-06 深圳市不多科技有限公司 榨油机
CN104691002B (zh) * 2014-07-16 2017-06-06 深圳市不多科技有限公司 立式榨油机
CN104691000B (zh) * 2014-07-16 2017-06-06 深圳市不多科技有限公司 榨油机
EP3532262A1 (fr) * 2016-10-28 2019-09-04 Dow Global Technologies, LLC Vis de transfert d'énergie et procédé d'extrusion amélioré
DE102017003473B4 (de) 2017-04-10 2018-07-12 Jochen Hennes Einschnecken-Plastifiziermaschine
DE102018002249B4 (de) 2018-03-20 2020-01-02 Jochen Hennes Einschnecken-Plastifiziermaschine
EP4234203A1 (fr) 2022-02-24 2023-08-30 Schoeller Allibert GmbH Produit bicolore moulé par injection et procédé de moulage par injection bicolore

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2343529A (en) * 1939-11-09 1944-03-07 Brown Frederick Edward Machine for extruding rubber and the like
CH363149A (fr) * 1959-12-31 1962-07-15 Maillefer Sa Boudineuse à vis
US3375549A (en) * 1961-04-05 1968-04-02 Uniroyal Inc Method and apparatus for refining and separating plastic materials
US3271819A (en) * 1962-02-26 1966-09-13 Nrm Corp Extruder
US3110060A (en) * 1962-11-01 1963-11-12 Eastman Kodak Co Extrusion-extraction apparatus
DE1302096B (de) * 1965-03-18 1969-12-18 Reifenhaeuser Kg Schneckenpresse
US3445890A (en) * 1966-12-08 1969-05-27 Nrm Corp Two-stage extruder

Also Published As

Publication number Publication date
CH521845A (de) 1972-04-30
AU2823171A (en) 1972-11-02
DE2121914A1 (de) 1971-11-25
FR2091254A5 (fr) 1972-01-14
US3650652A (en) 1972-03-21

Similar Documents

Publication Publication Date Title
ZA712692B (en) Extruding plastic material
ZA735505B (en) Improvements in extrusion
IL37654A0 (en) Degradable plastic
CA931811A (en) Molding device for plastic material
GB1368490A (en) Extruder
GB1315219A (en) Thermoplastic moulding materials
YU33901B (en) Extruder for plastic material products
GB1316330A (en) Thermoplastic moulding material
CA918327A (en) Impact-resistant thermoplastic molding material
AU4229072A (en) Wide-orifice extrusion die
CA940669A (en) Plastic molding apparatus
GB1369589A (en) Thermoplastic moulding compositions
ZA71416B (en) Impact-resistant thermoplastic molding materials
CA944924A (en) Foamed plastics material
ZA71529B (en) Screw extruder
RO84935B (ro) Presa de extrudere pentru mase plastice
GB1324360A (en) Plastics materials
GB1408062A (en) Extruded materials
ZA717854B (en) Plastics material
CA838577A (en) Molding plastic material
AU455570B2 (en) Moulding heat-expandable thermoplastic material
CA833078A (en) Thermoplastic molding materials
GB1362516A (en) Plastics trim strips
CA842088A (en) Plastic extrusion
GB1399282A (en) Thermoplastic composition