B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
51/114, 154/69
B28B 11/18 (2006.01) B24B 9/00 (2006.01) B24B 9/20 (2006.01) B24D 13/10 (2006.01) B29C 63/04 (2006.01) B29C 65/74 (2006.01)
Patent
CA 1107623
ABSTRACT OF THE DISCLOSURE Plastic sheet material, laminated to the front face and side edges of wallboard, having excess sheet width at each side edge, is uniformly and rapidly trimmed to a neat skived edge which becomes firmly adhered to the wallboard edge, by abrading through the sheet material with a rotary abrader such as a nylon brush.
293392
Lawlis John L.
Rodgers Bernard L.
Winkowski Daniel A.
National Gypsum Company
Osler Hoskin & Harcourt Llp
LandOfFree
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