B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/114, 154/133
B32B 13/08 (2006.01) B32B 13/02 (2006.01) B32B 29/06 (2006.01) D21H 27/22 (2006.01) D21H 11/14 (2006.01)
Patent
CA 1296608
Abstract of the Disclosure: A paper cover sheet particularly designed for use as the face sheet in the manufacture of gypsum wallboard, the face sheet having a base formed of a plurality of of filler plies formed of recycled paper com- prised of clean hard stocks such as kraft and boxboard cuttings, and being free of topliner plies containing flyleaf furnish, the base having a coating on the face surface thereof comprising a light colored mineral filler and a binder. The coating provides a light color to the face surface generally termed "manila". The elimination of the topliner plies results in a paper of exellent strength and porosity.
550362
Company United States Gypsum
Macrae & Co.
LandOfFree
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