GB1090924A - Apparatus for the continuous production of pipes of thermoplastics - Google Patents
Apparatus for the continuous production of pipes of thermoplasticsInfo
- Publication number
- GB1090924A GB1090924A GB7216/65A GB721665A GB1090924A GB 1090924 A GB1090924 A GB 1090924A GB 7216/65 A GB7216/65 A GB 7216/65A GB 721665 A GB721665 A GB 721665A GB 1090924 A GB1090924 A GB 1090924A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thermoplastics
- stirrer
- feb
- tubing
- pipes
- Prior art date
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
1,090,924. Extruding thermoplastics tubing. BADISCHE ANILIN & SODA FABRIK A.G. Feb. 19, 1965 [Feb. 22, 1964], No. 7216/65. Addition to 1,043,229. Heading B5A. A machine for moulding relatively thickwalled tubing from thermoplastics having a narrow temperature range of fusion, e.g. polyamides, polyurethanes, polyolefines, polyacetals and chlorinated polyethers, is substantially as described in the parent Specification, but is modified in that stirrer 3 is provided with a cylindrical coaxial extension 5 which substantially determines the internal diameter of the tube. The stirrer 3 may be provided with a partial or complete coating of a synthetic plastic material e.g. a polymerized fluorohydrocarbon, which acts as a lubricant, and heat transfer from barrel 7 to cooling die 6 may be reduced by providing a bevelled annulus 8 or a disc between components 6 and 7 of material such as asbestos or a heat-resistant polymerized fluorohydrocarbon. Vacuum may be applied via ducts 10.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB0075549 | 1964-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1090924A true GB1090924A (en) | 1967-11-15 |
Family
ID=6978707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7216/65A Expired GB1090924A (en) | 1964-02-22 | 1965-02-19 | Apparatus for the continuous production of pipes of thermoplastics |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT257915B (en) |
BE (1) | BE660042A (en) |
GB (1) | GB1090924A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113414896A (en) * | 2021-06-16 | 2021-09-21 | 杭州锐健马斯汀医疗器材有限公司 | Closed air-cooled brace pelletizing system |
-
1965
- 1965-02-19 GB GB7216/65A patent/GB1090924A/en not_active Expired
- 1965-02-19 AT AT150165A patent/AT257915B/en active
- 1965-02-22 BE BE660042D patent/BE660042A/xx not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113414896A (en) * | 2021-06-16 | 2021-09-21 | 杭州锐健马斯汀医疗器材有限公司 | Closed air-cooled brace pelletizing system |
Also Published As
Publication number | Publication date |
---|---|
AT257915B (en) | 1967-10-25 |
BE660042A (en) | 1965-06-16 |
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