ZA738919B - Improvements in and relating to the production of extruded thermoplastic tubes - Google Patents
Improvements in and relating to the production of extruded thermoplastic tubesInfo
- Publication number
- ZA738919B ZA738919B ZA00738919A ZA738919A ZA738919B ZA 738919 B ZA738919 B ZA 738919B ZA 00738919 A ZA00738919 A ZA 00738919A ZA 738919 A ZA738919 A ZA 738919A ZA 738919 B ZA738919 B ZA 738919B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- production
- extruded thermoplastic
- thermoplastic tubes
- tubes
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
-
- 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
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/94—Lubricating
-
- 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
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
- B29K2995/0051—Oriented mono-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
- B29K2995/0053—Oriented bi-axially
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR80372 | 1972-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA738919B true ZA738919B (en) | 1975-12-31 |
Family
ID=10922921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00738919A ZA738919B (en) | 1972-11-29 | 1973-11-22 | Improvements in and relating to the production of extruded thermoplastic tubes |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE807947A (xx) |
DE (1) | DE2357275A1 (xx) |
IN (1) | IN139263B (xx) |
PL (1) | PL100993B1 (xx) |
SE (1) | SE7700776L (xx) |
SU (1) | SU671710A3 (xx) |
ZA (1) | ZA738919B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4573893A (en) * | 1984-04-02 | 1986-03-04 | Application Engineering Corporation | Extrusion die with external and internal cooling means |
US4898702A (en) * | 1988-04-04 | 1990-02-06 | Cordis Corporation | Method and apparatus for removal of a wire mandrel from a catheter |
-
1973
- 1973-11-16 DE DE2357275A patent/DE2357275A1/de not_active Ceased
- 1973-11-22 ZA ZA00738919A patent/ZA738919B/xx unknown
- 1973-11-27 PL PL1973166838A patent/PL100993B1/pl unknown
- 1973-11-29 BE BE2053251A patent/BE807947A/xx unknown
- 1973-12-04 IN IN2651/CAL/73A patent/IN139263B/en unknown
-
1977
- 1977-01-25 SE SE7700776A patent/SE7700776L/xx unknown
- 1977-12-20 SU SU772555858A patent/SU671710A3/ru active
Also Published As
Publication number | Publication date |
---|---|
IN139263B (xx) | 1976-05-29 |
BE807947A (fr) | 1974-03-15 |
SU671710A3 (ru) | 1979-06-30 |
PL100993B1 (pl) | 1978-11-30 |
DE2357275A1 (de) | 1974-06-12 |
SE7700776L (sv) | 1977-01-25 |
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