B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 5/04 (2006.01) B28B 1/16 (2006.01) B28B 1/29 (2006.01) B28B 5/02 (2006.01) B28B 13/02 (2006.01)
Patent
CA 2161131
The reinforcement ribs on the underside of a concrete roofing tile (2) are formed during the manufacture thereof by directing mortar into recesses (19) in a pallet (P) on which the tile is made, compaction means (18) in the form of multi-tined wheels (18a, 18b) being provided to compact the mortar in said recesses (19) and thereafter providing a secondary layer (46) of mortar over the compacted reinforcement ribs to complete the tile in a conventional manner. A tile provided by the invention comprises reinforcement ribs which are compacted to the same degree as the remainder of the tile thereby ensuring that the finished product, when cured, has a uniform strength or substantially so.
Fetherstonhaugh & Co.
Redland Technologies Limited
LandOfFree
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