D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
117/99
D21H 17/17 (2006.01) D21H 17/62 (2006.01) D21H 21/56 (2006.01)
Patent
CA 1117384
IMPROVEMENTS IN OR RELATING TO SURFACE TREMATMENTS ABSTRACT OF THE DISCLOSURE Paper sheet or board is externally sized by applying to the surface thereof a sizing agent, such as rosin, in the form of a foam in the production of which the sizing agent itself acts as a foaming agent. After the foam has been applied to the surface of the paper sheet or board, at least a major proportion of the applied foam is mechanically broken down to provide a substantially uniform distribution of the sizing agent over the surface. - 1 -
315923
Fetherstonhaugh & Co.
Hercules Limited
LandOfFree
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