ES257309A1 - Improvements in or relating to devices for use in the preparation of thermoplastic synthetic materials for moulding - Google Patents

Improvements in or relating to devices for use in the preparation of thermoplastic synthetic materials for moulding

Info

Publication number
ES257309A1
ES257309A1 ES0257309A ES257309A ES257309A1 ES 257309 A1 ES257309 A1 ES 257309A1 ES 0257309 A ES0257309 A ES 0257309A ES 257309 A ES257309 A ES 257309A ES 257309 A1 ES257309 A1 ES 257309A1
Authority
ES
Spain
Prior art keywords
synthetic materials
thermoplastic synthetic
circumference
positions
moulding
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
ES0257309A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES257309A1 publication Critical patent/ES257309A1/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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/021—Heat treatment of powders

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Labeling Devices (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Device for preheating and preparing for molding thermoplastic synthetic materials, more particularly polyvinylchloride acetate in the granular state, intended for pressing phonograph records, in which the preheating process is carried out by passing a heated gas through a quantity dosed of synthetic material, characterized in that the device comprises a horizontally mounted circular table that periodically rotates in a horizontal plane and is preferably electrically driven, a table that can assume an even number of positions, preferably locked and regularly distributed on its circumference, while the table top is provided with as many recesses, regularly distributed over the circumference as there are positions, and in at least one position the gas heated and supplied by a stationary device is passed through the substance present in the recess. (Machine-translation by Google Translate, not legally binding)
ES0257309A 1959-04-14 1960-04-11 Improvements in or relating to devices for use in the preparation of thermoplastic synthetic materials for moulding Expired ES257309A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL238137 1959-04-14

Publications (1)

Publication Number Publication Date
ES257309A1 true ES257309A1 (en) 1960-07-01

Family

ID=19751668

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0257309A Expired ES257309A1 (en) 1959-04-14 1960-04-11 Improvements in or relating to devices for use in the preparation of thermoplastic synthetic materials for moulding

Country Status (3)

Country Link
CH (1) CH389892A (en)
ES (1) ES257309A1 (en)
GB (1) GB945796A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124133A (en) * 1982-06-05 1984-02-15 Ward And Goldstone Plc Apparatus for and method of preheating moulding material

Also Published As

Publication number Publication date
CH389892A (en) 1965-03-31
GB945796A (en) 1964-01-08

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