B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
25/45, 72/47
B32B 3/04 (2006.01) B28B 23/00 (2006.01) B32B 5/14 (2006.01) B32B 13/02 (2006.01) E04C 2/06 (2006.01)
Patent
CA 1290587
Title: CEMENT BOARD HAVING REINFORCED EDGES Abstract of the Disclosure: A cement board having bare surfaces and a woven mesh of reinforcing fibers underlying-the top, bottom, and longitudinal edge surfaces is made continuously on an improved apparatus which comprises a pair of edger rails which slidably rest on a conveyor belt and define the path of the cement board being made on the conveyor belt and a means for folding and pressing outer margins of the bottom mesh into the edge surfaces and the top surface.
528059
Ensminger Robert P.
Mccleary Robert E.
Wenzlow-Lukasch Ludwig
Company United States Gypsum
Macrae & Co.
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