GB1431101A - Extrusion of cross linkable plastics materials - Google Patents

Extrusion of cross linkable plastics materials

Info

Publication number
GB1431101A
GB1431101A GB434673A GB434673A GB1431101A GB 1431101 A GB1431101 A GB 1431101A GB 434673 A GB434673 A GB 434673A GB 434673 A GB434673 A GB 434673A GB 1431101 A GB1431101 A GB 1431101A
Authority
GB
United Kingdom
Prior art keywords
cylinder
port
cross
piston
linking
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
GB434673A
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.)
Uponor Wirsbo AB
Original Assignee
Wirsbo Bruks AB
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 Wirsbo Bruks AB filed Critical Wirsbo Bruks AB
Priority to GB434673A priority Critical patent/GB1431101A/en
Priority to DE2402968A priority patent/DE2402968A1/de
Priority to BE140113A priority patent/BE810083A/xx
Priority to AU64891/74A priority patent/AU6489174A/en
Priority to JP49010855A priority patent/JPS49110748A/ja
Priority to FR7402708A priority patent/FR2215307B3/fr
Priority to IT67232/74A priority patent/IT1009124B/it
Priority to LU69257A priority patent/LU69257A1/xx
Priority to NL7401141A priority patent/NL7401141A/xx
Priority to DD176231A priority patent/DD109344A5/xx
Publication of GB1431101A publication Critical patent/GB1431101A/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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/25—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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
    • 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10—Thermosetting resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB434673A 1973-01-29 1973-01-29 Extrusion of cross linkable plastics materials Expired GB1431101A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB434673A GB1431101A (en) 1973-01-29 1973-01-29 Extrusion of cross linkable plastics materials
DE2402968A DE2402968A1 (de) 1973-01-29 1974-01-22 Verfahren und strangpresse zum formen vernetzbaren kunststoffes
BE140113A BE810083A (en) 1973-01-29 1974-01-23 Extrusion of crosslinkable plastic material - by working under pressure, increasing temp. of material, generating shear forces, and passing through die
AU64891/74A AU6489174A (en) 1973-01-29 1974-01-25 Valve extruder
JP49010855A JPS49110748A (enrdf_load_stackoverflow) 1973-01-29 1974-01-25
FR7402708A FR2215307B3 (enrdf_load_stackoverflow) 1973-01-29 1974-01-28
IT67232/74A IT1009124B (it) 1973-01-29 1974-01-28 Procedimento e dispositivo per l e strusione di materiali plastici re ticolabili
LU69257A LU69257A1 (enrdf_load_stackoverflow) 1973-01-29 1974-01-28
NL7401141A NL7401141A (enrdf_load_stackoverflow) 1973-01-29 1974-01-28
DD176231A DD109344A5 (enrdf_load_stackoverflow) 1973-01-29 1974-01-28

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB434673A GB1431101A (en) 1973-01-29 1973-01-29 Extrusion of cross linkable plastics materials
GB3232973 1973-07-06

Publications (1)

Publication Number Publication Date
GB1431101A true GB1431101A (en) 1976-04-07

Family

ID=26239058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB434673A Expired GB1431101A (en) 1973-01-29 1973-01-29 Extrusion of cross linkable plastics materials

Country Status (9)

Country Link
JP (1) JPS49110748A (enrdf_load_stackoverflow)
AU (1) AU6489174A (enrdf_load_stackoverflow)
DD (1) DD109344A5 (enrdf_load_stackoverflow)
DE (1) DE2402968A1 (enrdf_load_stackoverflow)
FR (1) FR2215307B3 (enrdf_load_stackoverflow)
GB (1) GB1431101A (enrdf_load_stackoverflow)
IT (1) IT1009124B (enrdf_load_stackoverflow)
LU (1) LU69257A1 (enrdf_load_stackoverflow)
NL (1) NL7401141A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE3259T1 (de) * 1980-01-18 1983-05-15 Wirsbo Bruks Aktiebolag Herstellung geformter vernetzter materialien.

Also Published As

Publication number Publication date
NL7401141A (enrdf_load_stackoverflow) 1974-07-31
AU6489174A (en) 1975-07-31
FR2215307A1 (enrdf_load_stackoverflow) 1974-08-23
DE2402968A1 (de) 1974-08-08
IT1009124B (it) 1976-12-10
DD109344A5 (enrdf_load_stackoverflow) 1974-11-05
FR2215307B3 (enrdf_load_stackoverflow) 1976-11-19
LU69257A1 (enrdf_load_stackoverflow) 1974-04-10
JPS49110748A (enrdf_load_stackoverflow) 1974-10-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee