| 摘要 |
1514926 Roofing tiles ANCHOR BUILDING PRODUCTS Ltd 29 Aug 1975 [5 Sept 1974 19 Feb 1975] 38899/74 and 7038/75 Heading E1B [Also in Divisions B4 and B5] A concrete tile includes a trough 5 crossed by one or more headlocks 2 acting as rainwater barriers, a flat 6 and rib 8 along one edge, and a complementary groove 9 in a curved portion 7 along another edge. End ribs 3, 4 are provided. The tile can have two troughs 5, each with one or more headlocks 2, or may be planar. |
