GB1490338A - Extrusion processes - Google Patents

Extrusion processes

Info

Publication number
GB1490338A
GB1490338A GB48048/73A GB4804873A GB1490338A GB 1490338 A GB1490338 A GB 1490338A GB 48048/73 A GB48048/73 A GB 48048/73A GB 4804873 A GB4804873 A GB 4804873A GB 1490338 A GB1490338 A GB 1490338A
Authority
GB
United Kingdom
Prior art keywords
tube
discs
seal
sizing
disc
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
Application number
GB48048/73A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BXL Plastics Ltd
Original Assignee
Bakelite Xylonite Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bakelite Xylonite Ltd filed Critical Bakelite Xylonite Ltd
Priority to GB48048/73A priority Critical patent/GB1490338A/en
Priority to DE19742448867 priority patent/DE2448867A1/de
Priority to US05/514,802 priority patent/US3976410A/en
Priority to FR7434577A priority patent/FR2247331B2/fr
Priority to IT53556/74A priority patent/IT1048289B/it
Priority to JP49118621A priority patent/JPS5755583B2/ja
Priority to SE7412972A priority patent/SE7412972L/xx
Priority to AU74364/74A priority patent/AU492577B2/en
Priority to CA211,423A priority patent/CA1084223A/en
Publication of GB1490338A publication Critical patent/GB1490338A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • B29C48/919—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
    • B29C48/03—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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
GB48048/73A 1973-10-15 1973-10-15 Extrusion processes Expired GB1490338A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB48048/73A GB1490338A (en) 1973-10-15 1973-10-15 Extrusion processes
DE19742448867 DE2448867A1 (de) 1973-10-15 1974-10-14 Verfahren und vorrichtung zum kuehlen von stranggepressten schlaeuchen
US05/514,802 US3976410A (en) 1973-10-15 1974-10-15 Extrusion processes and apparatus therefor
FR7434577A FR2247331B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-15 1974-10-15
IT53556/74A IT1048289B (it) 1973-10-15 1974-10-15 Procedimento ed apparecchio per la estrusione di tubi
JP49118621A JPS5755583B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-15 1974-10-15
SE7412972A SE7412972L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-15 1974-10-15
AU74364/74A AU492577B2 (en) 1973-10-15 1974-10-15 Improvements in and relating to extrusion processes
CA211,423A CA1084223A (en) 1973-10-15 1974-10-15 Tube extrusion process and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48048/73A GB1490338A (en) 1973-10-15 1973-10-15 Extrusion processes

Publications (1)

Publication Number Publication Date
GB1490338A true GB1490338A (en) 1977-11-02

Family

ID=10447176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48048/73A Expired GB1490338A (en) 1973-10-15 1973-10-15 Extrusion processes

Country Status (8)

Country Link
US (1) US3976410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5755583B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1084223A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2448867A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2247331B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1490338A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1048289B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE7412972L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1490337A (en) * 1973-10-15 1977-11-02 Bakelite Xylonite Ltd Extrusion processes
US4136143A (en) * 1977-02-22 1979-01-23 Lupke Gerd Paul Heinrich Apparatus for and method of producing corrugated thermoplastic tubing
JPS62220481A (ja) * 1986-03-10 1987-09-28 日本建鐵株式会社 貯水槽の洗浄方法
JPS62220482A (ja) * 1986-03-10 1987-09-28 日本建鐵株式会社 貯水槽の洗浄方法
US5277857A (en) * 1992-01-17 1994-01-11 Viskase Corporation Method of making a cellulose food casing
US5593703A (en) * 1993-07-02 1997-01-14 Kohjin Co., Ltd. Mandrel for cooling
WO1995001254A1 (en) * 1993-07-02 1995-01-12 Kohjin Co., Ltd. Cooling mandrel
US5759478A (en) * 1997-03-27 1998-06-02 Viskase Corporation Mandrel structure for use in manufacture of cellulose food casing
US5766540A (en) * 1997-03-27 1998-06-16 Viskase Corporation Cellulose food casing manufacturing method
US9434097B2 (en) * 2009-11-10 2016-09-06 Windmoeller & Hoelscher Kg Device and method for calibrating film tubing
CN108839332B (zh) * 2018-09-25 2020-05-19 汕头大洋兴福塑料机械有限公司 一种塑料薄膜吹膜机
DE102018124494A1 (de) * 2018-10-04 2020-04-09 DEULA-Nienburg GmbH Rohr und Bewässerungssystem

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108305C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1957-06-19 1900-01-01
DE1504642A1 (de) * 1959-03-05 1969-10-09 Du Pont Verfahren zur Ausformung von stranggepressten Folienschlaeuchen
US3142092A (en) * 1961-04-28 1964-07-28 Hercules Powder Co Ltd Apparatus for simultaneously extruding and cooling tubular film
DE1262567B (de) * 1961-04-28 1968-03-07 Hoechst Ag Vorrichtung zum Strangpressen von geschmolzenen Polymeren in der Form eines Folienschlauches
DE1242851C2 (de) * 1965-03-26 1973-08-09 Bx Plastics Ltd Vorrichtung zum herstellen eines stranggepressten schlauches aus isotaktischem polypropylen
US3385918A (en) * 1962-12-01 1968-05-28 Bx Plastics Ltd Extrusion process and apparatus for isotactic polypropylene
GB1106994A (en) * 1964-07-06 1968-03-20 Bakelite Xylonite Ltd Improvements in and relating to thermoplastic films
US3468995A (en) * 1966-10-17 1969-09-23 Phillips Petroleum Co Producing plastic film
US3600479A (en) * 1968-11-12 1971-08-17 Polymer Processing Res Inst Method for uniaxially after-stretching a tubular film
DE2005182A1 (en) * 1970-02-05 1971-08-19 Basf Ag Crystalline thermoplastic, blown film or part - film
GB1284321A (en) * 1970-03-03 1972-08-09 Ici Ltd Process and apparatus for the production of tubes and tubular films
GB1295205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-07-24 1972-11-08

Also Published As

Publication number Publication date
FR2247331B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-24
SE7412972L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-04-16
IT1048289B (it) 1980-11-20
AU7436474A (en) 1976-04-29
CA1084223A (en) 1980-08-26
FR2247331A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-05-09
US3976410A (en) 1976-08-24
DE2448867A1 (de) 1975-04-17
JPS5755583B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-11-25
JPS5078665A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-06-26

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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)