E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
18/1040, 61/48,
E02D 3/00 (2006.01) B29C 55/04 (2006.01) B29C 55/12 (2006.01) B29D 28/00 (2006.01) E02D 29/00 (2006.01)
Patent
CA 2025386
A starting material is stretched longitudinally to produce a geogrid. The starting material has pronounced ribs on each face, merging into sloping sides. Between the ribs, there are holes on a square grid. The mean thickness of the longitudinal elements is substantially greater than the mean thickness of the interconnecting elements, and the cross-sectional area of the longitudinal elements is at least 2.5 times the transverse cross-sectional area of the interconnecting elements. The longitudinal elements are stretched out into continuous oriented strands. The centres of the junctions reduce in thickness by at least 10% but substantially less than the percentage reduction at the thinnest parts of the strands.
Gardner Thomas Kenneth
Martin Keith Frazer
Mercer Frank Brian
Gardner Thomas Kenneth
Marks & Clerk
Martin Keith Frazer
Mercer Frank Brian
P.l.g. Research Limited
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