Bottle-shaped container of synethetic resin having ground...

Details Bottle-shaped container of synethetic resin having ground... Bottle-shaped container of synethetic resin having ground...

B - Operations, Transporting

65

D

190/26.1

B65D 1/02 (2006.01) B29C 49/00 (2006.01) B29C 49/52 (2006.01) B29C 49/64 (2006.01) B29C 59/02 (2006.01) B44F 9/08 (2006.01) B29C 49/06 (2006.01)

Patent

CA 1145690

ABSTRACT OF THE DISCLOSURE A bottle-shaped container of saturated polyester having frosted or ground surface is manufactured by the steps of heating the outer layer portion of the preformed piece injection-molded to thereby crystallize the outer layer portion to opacify in white, and blow-molding the preformed piece in a blowing mold having at least partial inner surface formed with rough surface sandblasted in advance to thereby form the rough surface on the bottle- shaped container on the crystallized outer layer portion surface. Thus, the bottle-shaped container incorporates pearl-like ground surface as desired in shape on the surface instead of glossy surface peculiar for synthetic resin.

343096

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