B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/523
B29C 49/04 (2006.01) B29C 47/20 (2006.01) B29C 49/00 (2006.01)
Patent
CA 1222359
Abstract of the Disclosure A die ring for use in a blow molding apparatus is provided with depressions at the downstream end of the land to provide the parison with a longitudinally thickened rib and depressions at the upstream end of the land to counteract parison deformation caused by the downstream depressions.
435045
Morgan Bill T.
Mozer Larry P.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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