B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/1051, 190/65,
B29D 99/00 (2010.01) B29C 51/00 (2006.01) B29D 28/00 (2006.01) B65D 1/38 (2006.01)
Patent
CA 1159620
ABSTRACT In order to make a non-planar plastics material article, a starting material has at least one ring of holes or depressions and is pressed so that the part which is within the ring is moved generally at right angles to the plane of the ring with respect to the part which is outside the ring, thereby stretching, into orientated strands, zones between adjacent holes or depressions in the ring; in the finished article, the strands interconnect the two parts.
361771
Marks & Clerk
P.l.g. Research Limited
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