GB736009A - Improvements in the manufacture of patterned thermoplastic sheet material - Google Patents

Improvements in the manufacture of patterned thermoplastic sheet material

Info

Publication number
GB736009A
GB736009A GB1237852A GB1237852A GB736009A GB 736009 A GB736009 A GB 736009A GB 1237852 A GB1237852 A GB 1237852A GB 1237852 A GB1237852 A GB 1237852A GB 736009 A GB736009 A GB 736009A
Authority
GB
United Kingdom
Prior art keywords
sheet
variegated
calendering
inch
colour
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
GB1237852A
Inventor
Leslie Herbert Griffiths
Walter Saul
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.)
SEMTEX Ltd
Original Assignee
SEMTEX 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 SEMTEX Ltd filed Critical SEMTEX Ltd
Priority to GB1237852A priority Critical patent/GB736009A/en
Publication of GB736009A publication Critical patent/GB736009A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0005—Floor covering on textile basis comprising a fibrous substrate being coated with at least one layer of a polymer on the top surface
    • D06N7/0028—Floor covering on textile basis comprising a fibrous substrate being coated with at least one layer of a polymer on the top surface characterised by colour effects, e.g. craquelé, reducing gloss

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

Compositions for use in making floor-coverings comprise vinyl chloride-acetate copolymer, plasticizer, asbestos fibre, pigment, limestone, and lead carbonate or polyvinyl chloride, asbestos fibre, tricresyl phosphate, lead carbonate, limestone and pigment, e.g. Hansa yellow, Monastral Blue and red iron oxide.ALSO:A variegated sheet is made by calendering either (a) a mixture of small pieces of thermoplastic compositions of two or more colours or (b) a supporting sheet of thermoplastic composition with small pieces of thermoplastic compositions of one or more other colours. Then one or more of these variegated sheets is superposed on a base sheet of a compatible thermoplastic composition of substantially the same colour as one colour in the variegated sheet, the sheets are joined superficially, and the joined sheets are hot-calendered with substantial reduction of thickness: this second calendering may be at right-angles to the first calendering. The thickness of the base sheet may be 5-20 times that of the variegated sheet. The thermoplastic compositions may have a basis of polyvinyl chloride or copolymer of vinyl chloride with vinyl acetate or vinylidene chloride. In one example a variegated sheet 0.040 inch thick is made by hot calendering on a three-bowl calender from 80 per cent of cream colour crumb and 20 per cent of green colour crumb, the first nip producing a sheet 0.06 inch thick and the second nip reducing the sheet to 0.04 inch. This sheet is stored for future use. Then a similar sheet 0.4 inch thick having cream colour only is made on a hot mill, and whilst it is still hot the variegated sheet, preheated, is placed on it and the composite sheet is run through the mill to reduce its thickness to 0.4 inch. Finally the composite sheet is trimmed and fed through a three-bowl calender at right angles to the first calendering, the first nip reducing the sheet to 0.05 inch thick and the second to 0.03 inch. To produce long lengths the composite sheet is cut into planks of regular width that are fed successively to the first nip. In another example two variegated sheets are placed together and joined to the base sheet. The material may be adhered to a backing sheet.
GB1237852A 1952-05-16 1952-05-16 Improvements in the manufacture of patterned thermoplastic sheet material Expired GB736009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1237852A GB736009A (en) 1952-05-16 1952-05-16 Improvements in the manufacture of patterned thermoplastic sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1237852A GB736009A (en) 1952-05-16 1952-05-16 Improvements in the manufacture of patterned thermoplastic sheet material

Publications (1)

Publication Number Publication Date
GB736009A true GB736009A (en) 1955-08-31

Family

ID=10003438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1237852A Expired GB736009A (en) 1952-05-16 1952-05-16 Improvements in the manufacture of patterned thermoplastic sheet material

Country Status (1)

Country Link
GB (1) GB736009A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1410233B1 (en) * 1958-12-09 1976-03-11 Armstrong Cork Co Process for the production of a decorative surface covering
GB2298388A (en) * 1995-03-02 1996-09-04 Freudenberg Carl Process for manufacture of a moired floor covering
US6709732B1 (en) 1999-04-08 2004-03-23 Firma Carl Freudenberg Web-type floor covering and method for its manufacture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1410233B1 (en) * 1958-12-09 1976-03-11 Armstrong Cork Co Process for the production of a decorative surface covering
GB2298388A (en) * 1995-03-02 1996-09-04 Freudenberg Carl Process for manufacture of a moired floor covering
GB2298388B (en) * 1995-03-02 1997-04-02 Freudenberg Carl A moiréd floor covering and a process for its manufacture
US6709732B1 (en) 1999-04-08 2004-03-23 Firma Carl Freudenberg Web-type floor covering and method for its manufacture

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