GB1109297A - Improvements in or relating to the manufacture of polystyrene articles - Google Patents

Improvements in or relating to the manufacture of polystyrene articles

Info

Publication number
GB1109297A
GB1109297A GB25164/65A GB2516465A GB1109297A GB 1109297 A GB1109297 A GB 1109297A GB 25164/65 A GB25164/65 A GB 25164/65A GB 2516465 A GB2516465 A GB 2516465A GB 1109297 A GB1109297 A GB 1109297A
Authority
GB
United Kingdom
Prior art keywords
polystyrene
veneer
relating
manufacture
sheet form
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
GB25164/65A
Inventor
Harry Kingsley
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.)
WATCHWELL Ltd
Original Assignee
WATCHWELL 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 WATCHWELL Ltd filed Critical WATCHWELL Ltd
Priority to GB25164/65A priority Critical patent/GB1109297A/en
Publication of GB1109297A publication Critical patent/GB1109297A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

1,109,297. Moulding polystyrene. WATCHWELL Ltd. 15 June, 1965, No. 25164/65. Addition to 980,808. Heading B5A. The method of producing polystyrene articles by the steam expansion in die cavities of sheets of extruded polystyrene veneer as disclosed in Specifications 980,808 and 1,052,143 is modified by subjecting the extruded veneer to contact with boiling water prior to and/or after expansion by steam in the die cavity. The veneer may be fed to the die cavity in blanks of sheet form or continuously or intermittently in sheet form from an extruder or from a roll supply. Opposed pairs of complementary dies on conveyers may be used.
GB25164/65A 1965-06-15 1965-06-15 Improvements in or relating to the manufacture of polystyrene articles Expired GB1109297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB25164/65A GB1109297A (en) 1965-06-15 1965-06-15 Improvements in or relating to the manufacture of polystyrene articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25164/65A GB1109297A (en) 1965-06-15 1965-06-15 Improvements in or relating to the manufacture of polystyrene articles

Publications (1)

Publication Number Publication Date
GB1109297A true GB1109297A (en) 1968-04-10

Family

ID=10223268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25164/65A Expired GB1109297A (en) 1965-06-15 1965-06-15 Improvements in or relating to the manufacture of polystyrene articles

Country Status (1)

Country Link
GB (1) GB1109297A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071016A2 (en) * 1981-07-27 1983-02-09 LAVORAZIONE MATERIE PLASTICHE L.M.P. SpA. Apparatus for production of expanded polystyrene panels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071016A2 (en) * 1981-07-27 1983-02-09 LAVORAZIONE MATERIE PLASTICHE L.M.P. SpA. Apparatus for production of expanded polystyrene panels
EP0071016A3 (en) * 1981-07-27 1984-05-23 Lavorazione Materie Plastiche L.M.P. Spa. Method and apparatus for production of expanded polystyrene panels

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