CH558714A - SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. - Google Patents
SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS.Info
- Publication number
- CH558714A CH558714A CH1471272A CH1471272A CH558714A CH 558714 A CH558714 A CH 558714A CH 1471272 A CH1471272 A CH 1471272A CH 1471272 A CH1471272 A CH 1471272A CH 558714 A CH558714 A CH 558714A
- Authority
- CH
- Switzerland
- Prior art keywords
- thermoplastes
- extruders
- elastomer
- screws
- elastomer extruders
- 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
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
-
- 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
- B29C48/03—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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1471272A CH558714A (en) | 1972-10-09 | 1972-10-09 | SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. |
FR7328797A FR2201969B1 (en) | 1972-10-09 | 1973-08-07 | |
GB4653673A GB1450087A (en) | 1972-10-09 | 1973-10-05 | Extruder screw |
DE19732350674 DE2350674A1 (en) | 1972-10-09 | 1973-10-09 | EXTRUDING SCREW FOR THERMOPLASTICS OR ELASTOMERS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1471272A CH558714A (en) | 1972-10-09 | 1972-10-09 | SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH558714A true CH558714A (en) | 1975-02-14 |
Family
ID=4403213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1471272A CH558714A (en) | 1972-10-09 | 1972-10-09 | SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH558714A (en) |
DE (1) | DE2350674A1 (en) |
FR (1) | FR2201969B1 (en) |
GB (1) | GB1450087A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4733970A (en) * | 1985-09-09 | 1988-03-29 | Sterling Extruder Corporation | Extruder screw |
DE3744553A1 (en) * | 1987-12-30 | 1989-07-13 | Toshiba Machine Co Ltd | SNAIL FOR USE IN AN INJECTION MOLDING MACHINE OF THE VENTILATION TYPE |
US4944906A (en) * | 1988-10-11 | 1990-07-31 | Spirex Corporation | Methods of injection molding and extruding wet hygroscopic ionomers |
US5088914A (en) * | 1990-05-11 | 1992-02-18 | Romano Brambilla | Double flighted extrusion screw |
FR2693400B1 (en) * | 1992-07-10 | 1994-09-02 | Scamia | Laminating and continuous filtration assembly for materials such as polymers in a pasty, viscous or molten state, visco-elastic products, proteinaceous products. |
AT405262B (en) * | 1997-09-03 | 1999-06-25 | Weingartner Maschbau Gmbh | MULTI-SCREW EXTRUDERS, ESPECIALLY DOUBLE-SCREW EXTRUDERS |
CN107244055B (en) * | 2017-07-21 | 2023-08-29 | 四川业峰塑业有限公司 | Production system of spiral noise reduction pipe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445890A (en) * | 1966-12-08 | 1969-05-27 | Nrm Corp | Two-stage extruder |
US3650652A (en) * | 1970-05-05 | 1972-03-21 | Feed Screws Inc | Apparatus for extruding plastic material |
-
1972
- 1972-10-09 CH CH1471272A patent/CH558714A/en not_active IP Right Cessation
-
1973
- 1973-08-07 FR FR7328797A patent/FR2201969B1/fr not_active Expired
- 1973-10-05 GB GB4653673A patent/GB1450087A/en not_active Expired
- 1973-10-09 DE DE19732350674 patent/DE2350674A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1450087A (en) | 1976-09-22 |
FR2201969B1 (en) | 1976-06-18 |
FR2201969A1 (en) | 1974-05-03 |
DE2350674A1 (en) | 1974-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |