B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/88 (2006.01) B29C 47/06 (2006.01)
Patent
CA 2211712
A process is described for improving the hydrocarbon solvent impermeability of polyethylene resin based containers. The process employs a thermal profile during thermal molding, which creates a crystalline barrier adjacent one surface of the container. The barrier enhances impermeability of the container.
La présente invention concerne un procédé permettant d'améliorer l'imperméabilité aux solvants hydrocarbures de récipients à base de résine polyéthylène. Dans ledit procédé, on utilise au cours du moulage thermique un profil thermique qui crée une barrière cristalline adjacente à une surface du récipient. Cette barrière améliore l'imperméabilité du récipient.
Greif Bros. Corporation
Ridout & Maybee Llp
Robichaud Ronald T.
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