GB941764A - Pre-heating device for thermoplastic material to be fed to an extrusion moulding screw press - Google Patents

Pre-heating device for thermoplastic material to be fed to an extrusion moulding screw press

Info

Publication number
GB941764A
GB941764A GB11608/62A GB1160862A GB941764A GB 941764 A GB941764 A GB 941764A GB 11608/62 A GB11608/62 A GB 11608/62A GB 1160862 A GB1160862 A GB 1160862A GB 941764 A GB941764 A GB 941764A
Authority
GB
United Kingdom
Prior art keywords
fed
screws
extrusion moulding
extrusion
heating device
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
GB11608/62A
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.)
LAVORAZIONE MAT PLASTICHE Sas
Original Assignee
LAVORAZIONE MAT PLASTICHE Sas
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 LAVORAZIONE MAT PLASTICHE Sas filed Critical LAVORAZIONE MAT PLASTICHE Sas
Publication of GB941764A publication Critical patent/GB941764A/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
    • B29C48/84—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 by heating or cooling the feeding screws
    • B29C48/845—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
    • 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
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

941,764. Feeding material to extrusion machines. S. A. S. LAVORAZIONE MATERIE PLASTICHE (L.M.P.) DI M. I. COLOMBO & C. March 27, 1962 [March 27, 1961], No. 11608/62. Heading B5A. [Also in Divisions B1 and F1] In a device for preheating thermoplastic materials to be fed to extrusion moulding screw presses, a pair of closely intermeshing screws 25, 26 rotate in the same direction in a vertically extending barrel 14, 15, 16 which has a supply hopper 17 opening into the lower end and an overflow port at the top end, means being provided for heating both screws. Electric resistors are provided in the hollow screws and in the heating jacket surrounding the feed opening, and a flexible sleeve 20 of heat insulating material extends from the overflow port to the extrusion machine 22.
GB11608/62A 1961-03-27 1962-03-27 Pre-heating device for thermoplastic material to be fed to an extrusion moulding screw press Expired GB941764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT600861 1961-03-27

Publications (1)

Publication Number Publication Date
GB941764A true GB941764A (en) 1963-11-13

Family

ID=11120865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11608/62A Expired GB941764A (en) 1961-03-27 1962-03-27 Pre-heating device for thermoplastic material to be fed to an extrusion moulding screw press

Country Status (2)

Country Link
DE (1) DE1917051U (en)
GB (1) GB941764A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2213849A1 (en) * 1973-01-16 1974-08-09 Kleinewefers Ind Co Gmbh
DE2502545A1 (en) * 1974-01-25 1975-07-31 Emi Electrola Gmbh EXTRUDER AND PRESS ARRANGEMENT
EP0367749A2 (en) * 1988-10-05 1990-05-09 Semperit Reifen Aktiengesellschaft Injection arrangement
JP2014076627A (en) * 2012-10-12 2014-05-01 Toshiba Mach Co Ltd Hollow screw, hollow screw manufacturing method, and hollow screw assembly manufacturing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2213849A1 (en) * 1973-01-16 1974-08-09 Kleinewefers Ind Co Gmbh
DE2502545A1 (en) * 1974-01-25 1975-07-31 Emi Electrola Gmbh EXTRUDER AND PRESS ARRANGEMENT
EP0367749A2 (en) * 1988-10-05 1990-05-09 Semperit Reifen Aktiengesellschaft Injection arrangement
EP0367749A3 (en) * 1988-10-05 1990-10-10 Semperit Reifen Aktiengesellschaft Injection arrangement
JP2014076627A (en) * 2012-10-12 2014-05-01 Toshiba Mach Co Ltd Hollow screw, hollow screw manufacturing method, and hollow screw assembly manufacturing method

Also Published As

Publication number Publication date
DE1917051U (en) 1965-06-03

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