B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
32/22, 117/64
B32B 5/16 (2006.01) B05D 5/06 (2006.01) B32B 3/00 (2006.01)
Patent
CA 1221279
A B S T R A C T Process for manufacturing synthetic decorative coverings in which at least one powder is deposited loc- ally, according to a pattern or decoration, on a base. The deposition is carried out under gravity with a continuous screen printing frame in the absence of con- tact between the means of applying the powder and the base, at least one of the deposited powders containing particles which are fusible at a temperature below the dis- tortion temperature of the base and which are of a nature compatible with that of the base or at least close to the said temperature. At least one thermal treatment is then carried out at a temperature below the distortion temperature of the base, with a view to fixing the deco- ration produced by depositing powders. The means for applying the powders consist of a screen printing roll (10) fed by a device for uniform distribution of the powder in a hopper (14) inside the roll, whose two longitudinal lips are separated by an adjustable distance and are in contact with the inner surface of the screen.
449115
Duforest Rene
Roussel Albert
Gowling Lafleur Henderson Llp
Sommer S.a.
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