B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/10 (2006.01) B29C 35/00 (2006.01) B29C 43/24 (2006.01) B29C 47/00 (2006.01) B29C 69/02 (2006.01) D06N 3/00 (2006.01) B29B 9/06 (2006.01) E04F 15/10 (2006.01)
Patent
CA 2432564
The process aims at providing a covering, such as a flooring, that has an appearance substantially free from phenomena of directionality, starting from a vulcanizable elastomer material, the said process comprising the operations of: - feeding an extruder with strips of vulcanizable elastomer material of different colour, subjecting said material to extrusion, causing it to pass through a drawplate provided with openings; - subjecting to shredding the material obtained by means of drawing so as to obtain, as a result of the action of shredding, a granular material; - subjecting said granular material to mixing until it is rendered substantially homogeneous; - feeding said granular material rendered homogeneous by mixing to a calender, by direct feeding by gravity of the homogeneous granular material into the gap between the rollers of the calender so as to obtain, as a result of calandering, a strip of vulcanizable elastomer material; and - subjecting said material in the form of a strip to vulcanization. The aforesaid granular material rendered homogeneous constitutes the intermediate product of the process.
Macrae & Co.
Mondo S.p.a.
LandOfFree
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