A - Human Necessities – 47 – G
Patent
A - Human Necessities
47
G
A47G 19/22 (2006.01) B29C 49/00 (2006.01) B29C 49/06 (2006.01) B65D 1/26 (2006.01)
Patent
CA 2348832
An injection blow-molded disposable tumbler is formed from a polymeric material and includes a fortified upper rim having a thickness greater than the adjacent sidewall. The tumbler may be formed of a variety of resinous materials and exhibits improved toughness and crush resistance as well as aesthetic qualities particularly desired by consumers. In a particularly preferred embodiment, thick- walled polycarbonate tumblers are prepared from hydrolysis-stabilized polycarbonate compositions while minimizing molded-in stress. In still further embodiments, nanocomposites compositions are used to form the containers of the invention.
Freek Michael A.
Mccarthy Donald C.
Sandstrom Erland R.
Thomas Michael G.
Weigert Brigitte K.
Fort James Corporation
Goudreau Gage Dubuc
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