GB1422325A - Extrusion processes - Google Patents
Extrusion processesInfo
- Publication number
- GB1422325A GB1422325A GB266672A GB266672A GB1422325A GB 1422325 A GB1422325 A GB 1422325A GB 266672 A GB266672 A GB 266672A GB 266672 A GB266672 A GB 266672A GB 1422325 A GB1422325 A GB 1422325A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- discs
- die
- seal
- sizing
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Tubes (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB266672A GB1422325A (en) | 1972-01-19 | 1972-01-19 | Extrusion processes |
CA161,390A CA1011513A (en) | 1972-01-19 | 1973-01-16 | Internally cooling an extruded tube |
DE2302071A DE2302071A1 (de) | 1972-01-19 | 1973-01-17 | Verfahren und vorrichtung zur inneren kuehlung von stranggepressten schlaeuchen |
SE7300654A SE423611B (sv) | 1972-01-19 | 1973-01-17 | Forfarande och anordning for kylning av en strengsprutad slang av organiskt termoplastmaterial |
AU51216/73A AU457306B2 (en) | 1972-01-19 | 1973-01-18 | Improvements in and relating to extrusion processes |
FR7301696A FR2168476B1 (xx) | 1972-01-19 | 1973-01-18 | |
JP845673A JPS5625372B2 (xx) | 1972-01-19 | 1973-01-19 | |
IT4780573A IT976980B (it) | 1972-01-19 | 1973-01-19 | Procedimento ed apparecchio per la estrusione di tubi |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB266672A GB1422325A (en) | 1972-01-19 | 1972-01-19 | Extrusion processes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1422325A true GB1422325A (en) | 1976-01-28 |
Family
ID=9743638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB266672A Expired GB1422325A (en) | 1972-01-19 | 1972-01-19 | Extrusion processes |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5625372B2 (xx) |
CA (1) | CA1011513A (xx) |
DE (1) | DE2302071A1 (xx) |
FR (1) | FR2168476B1 (xx) |
GB (1) | GB1422325A (xx) |
SE (1) | SE423611B (xx) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5911933A (en) * | 1995-02-01 | 1999-06-15 | Wavin B.V. | Method for producing a thermoplastic tubular profile and internal cooling unit for such a method |
EP1475215A1 (en) * | 2002-02-01 | 2004-11-10 | Kohjin Co., Ltd. | Inner mandrel |
EP1867460A2 (en) * | 2006-06-16 | 2007-12-19 | Wavin B.V. | Corrugated plastic pipe production |
CN103212910A (zh) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | 一种自适应管材管径的气体静压夹头 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008022A (en) * | 1975-02-28 | 1977-02-15 | General Electric Company | Thermoplastic tube seal and cooling means |
AT403584B (de) * | 1993-09-13 | 1998-03-25 | Chemiefaser Lenzing Ag | Verfahren und vorrichtung zur herstellung cellulosischer flach- oder schlauchfolien |
NL1001259C2 (nl) | 1995-05-03 | 1996-11-05 | Wavin Bv | Werkwijze voor het behandelen van een geëxtrudeerd kunststof profiel en extrusie-installatie daarvoor. |
JP4957956B2 (ja) * | 2006-10-26 | 2012-06-20 | 住友ベークライト株式会社 | 多孔質体 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB702176A (en) * | 1951-08-09 | 1954-01-13 | British Celanese | The production of tubular articles |
DE1262567B (de) * | 1961-04-28 | 1968-03-07 | Hoechst Ag | Vorrichtung zum Strangpressen von geschmolzenen Polymeren in der Form eines Folienschlauches |
GB1106994A (en) * | 1964-07-06 | 1968-03-20 | Bakelite Xylonite Ltd | Improvements in and relating to thermoplastic films |
-
1972
- 1972-01-19 GB GB266672A patent/GB1422325A/en not_active Expired
-
1973
- 1973-01-16 CA CA161,390A patent/CA1011513A/en not_active Expired
- 1973-01-17 SE SE7300654A patent/SE423611B/xx unknown
- 1973-01-17 DE DE2302071A patent/DE2302071A1/de active Granted
- 1973-01-18 FR FR7301696A patent/FR2168476B1/fr not_active Expired
- 1973-01-19 JP JP845673A patent/JPS5625372B2/ja not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5911933A (en) * | 1995-02-01 | 1999-06-15 | Wavin B.V. | Method for producing a thermoplastic tubular profile and internal cooling unit for such a method |
EP1475215A1 (en) * | 2002-02-01 | 2004-11-10 | Kohjin Co., Ltd. | Inner mandrel |
EP1475215A4 (en) * | 2002-02-01 | 2010-05-05 | Kohjin Co | INTERNAL CHUCK |
EP1867460A2 (en) * | 2006-06-16 | 2007-12-19 | Wavin B.V. | Corrugated plastic pipe production |
EP1867460A3 (en) * | 2006-06-16 | 2009-04-08 | Wavin B.V. | Corrugated plastic pipe production |
CN103212910A (zh) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | 一种自适应管材管径的气体静压夹头 |
CN103212910B (zh) * | 2012-01-19 | 2015-09-30 | 昆山思拓机器有限公司 | 一种自适应管材管径的气体静压夹头 |
Also Published As
Publication number | Publication date |
---|---|
DE2302071C2 (xx) | 1988-02-11 |
CA1011513A (en) | 1977-06-07 |
SE423611B (sv) | 1982-05-17 |
DE2302071A1 (de) | 1973-07-26 |
FR2168476B1 (xx) | 1976-05-14 |
FR2168476A1 (xx) | 1973-08-31 |
JPS5625372B2 (xx) | 1981-06-11 |
JPS4886667A (xx) | 1973-11-15 |
AU5121673A (en) | 1974-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |