GB1422325A - Extrusion processes - Google Patents

Extrusion processes

Info

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
Application number
GB266672A
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 GB266672A priority Critical patent/GB1422325A/en
Priority to CA161,390A priority patent/CA1011513A/en
Priority to DE2302071A priority patent/DE2302071A1/de
Priority to SE7300654A priority patent/SE423611B/xx
Priority to AU51216/73A priority patent/AU457306B2/en
Priority to FR7301696A priority patent/FR2168476B1/fr
Priority to JP845673A priority patent/JPS5625372B2/ja
Priority to IT4780573A priority patent/IT976980B/it
Publication of GB1422325A publication Critical patent/GB1422325A/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
    • 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)
GB266672A 1972-01-19 1972-01-19 Extrusion processes Expired GB1422325A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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