B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/684
B29C 45/14 (2006.01) B29C 45/16 (2006.01) C08G 63/18 (2006.01)
Patent
CA 2022667
ABSTRACT A surface-patterned, injection-molded article of polybutylene terephthalate (PBT) is produced by placing a film composed mainly of a polyester resin and back-printed with a desired graphic and/or indicia pattern in a mold cavity so that the printed surface of the film will be in contact with PBT resin to be injected thereinto. The polyester resin film has a melting point between 10°C to 60°C less than the melting point of the injected PBT. Molten resin composed mainly of polybutylene terephthalate is then injected into the mold cavity to cause the pattern-printed film to at least partially plasticize and thereby integrally meld (bond) onto a corresponding surface of the resulting molded PBT article.
Ebina Yoichi
Nedzu Shigeru
Sano Terutaka
Ebina Yoichi
Nedzu Shigeru
Polyplastics Co. Ltd.
Sano Terutaka
Smart & Biggar
LandOfFree
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