B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 7/36 (2006.01) B28B 23/00 (2006.01) B28B 23/02 (2006.01) E01C 5/08 (2006.01) E01C 11/22 (2006.01) E04C 1/00 (2006.01)
Patent
CA 2354354
A plastics liner (2) for use in casting a drainage block has an arched surface which defines an upper profile of a main drainage channel and the water inlets opening into the outer surface of the block as well as providing clips (14) for supporting and locating reinforcing bars (20) during the casting of the blocks.
King Robert James
Robertson David Neil
Aco Polymer Products Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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