B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
298/1, 296/11, 2
B60P 3/00 (2006.01) B29C 44/12 (2006.01) B62D 29/04 (2006.01)
Patent
CA 1210793
ABSTRACT A method of manufacturing a truck body having a pair of oppositely disposed upward side walls, an upright end wall, and a horizontal wall comprises the steps of forming a unitary fiberglass outer skin and a unitary fiberglass inner skin, mounting the inner skin within the outer skin to form a foam molding chamber therebetween and foaming a foamable plastic material within the foam molding chamber to fill the chamber. The truck body produced thereby comprises a unitary fiberglass outer skin and a unitary fiberglass inner skin spaced from one another by an in situ foamed body of plastic material in the forming of a dump truck body. Longitudinal fiberglass sills are secured to the outer skin and extend longitudinally of the underside of the horizontal wall.
433522
596720 Ontario Limited
Fetherstonhaugh & Co.
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