ZA712692B - Extruding plastic material - Google Patents
Extruding plastic materialInfo
- 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
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)
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 (xx) |
AU (1) | AU2823171A (xx) |
CH (1) | CH521845A (xx) |
DE (1) | DE2121914A1 (xx) |
FR (1) | FR2091254A5 (xx) |
ZA (1) | ZA712692B (xx) |
Families Citing this family (31)
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 (xx) * | 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 (xx) * | 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 (en) * | 2016-10-28 | 2019-09-04 | Dow Global Technologies, LLC | Energy transfer screw and improved extrusion process |
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 (en) | 2022-02-24 | 2023-08-30 | Schoeller Allibert GmbH | Bicoloured injection-moulded product and bi-colour injection-moulding method |
Family Cites Families (7)
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 |
-
1970
- 1970-05-05 US US34726A patent/US3650652A/en not_active Expired - Lifetime
-
1971
- 1971-04-26 ZA ZA712692A patent/ZA712692B/xx unknown
- 1971-04-28 AU AU28231/71A patent/AU2823171A/en not_active Expired
- 1971-05-04 DE DE19712121914 patent/DE2121914A1/de active Pending
- 1971-05-05 FR FR7116246A patent/FR2091254A5/fr not_active Expired
- 1971-05-05 CH CH663271A patent/CH521845A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH521845A (de) | 1972-04-30 |
AU2823171A (en) | 1972-11-02 |
DE2121914A1 (de) | 1971-11-25 |
FR2091254A5 (xx) | 1972-01-14 |
US3650652A (en) | 1972-03-21 |
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