FR2201969B1 - - Google Patents
Info
- Publication number
- FR2201969B1 FR2201969B1 FR7328797A FR7328797A FR2201969B1 FR 2201969 B1 FR2201969 B1 FR 2201969B1 FR 7328797 A FR7328797 A FR 7328797A FR 7328797 A FR7328797 A FR 7328797A FR 2201969 B1 FR2201969 B1 FR 2201969B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
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 |
|---|---|---|---|
| CH1471272A CH558714A (fr) | 1972-10-09 | 1972-10-09 | Vis pour extrudeuse de thermoplastes ou d'elastomeres. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2201969A1 FR2201969A1 (US07902200-20110308-C00004.png) | 1974-05-03 |
| FR2201969B1 true FR2201969B1 (US07902200-20110308-C00004.png) | 1976-06-18 |
Family
ID=4403213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7328797A Expired FR2201969B1 (US07902200-20110308-C00004.png) | 1972-10-09 | 1973-08-07 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH558714A (US07902200-20110308-C00004.png) |
| DE (1) | DE2350674A1 (US07902200-20110308-C00004.png) |
| FR (1) | FR2201969B1 (US07902200-20110308-C00004.png) |
| GB (1) | GB1450087A (US07902200-20110308-C00004.png) |
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 (de) * | 1987-12-30 | 1989-07-13 | Toshiba Machine Co Ltd | Schnecke zur verwendung bei einer spritzgiessmaschine des entlueftungstyps |
| 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 (fr) * | 1992-07-10 | 1994-09-02 | Scamia | Ensemble de plastification et de filtration en continu pour des matières telles que des polymères à l'état pâteux, visqueux ou fondu, produits visco élastiques, produits protéoléagineux. |
| AT405262B (de) * | 1997-09-03 | 1999-06-25 | Weingartner Maschbau Gmbh | Mehrschneckenextruder, insbesondere doppelschneckenextruder |
| CN107244055B (zh) * | 2017-07-21 | 2023-08-29 | 四川业峰塑业有限公司 | 一种螺旋降噪管的生产系统 |
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/fr 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/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2201969A1 (US07902200-20110308-C00004.png) | 1974-05-03 |
| CH558714A (fr) | 1975-02-14 |
| GB1450087A (en) | 1976-09-22 |
| DE2350674A1 (de) | 1974-04-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |