Patent ID: 7892612
Filing Date: 2011-02-22
Classification: B29C,Y10T

Abstract:
1. An insertion-molded cylindrical article, comprising a cylindrical molded body including a sidewall portion having an inner surface and an outer surface, defining a mouth end portion and a main body portion, and an injection gate mark positioned on said inner surface, and a sheet-shaped insert having an upper edge and a lower edge that define the length of the sheet-shaped insert, and the upper edge is below the mouth end portion of the cylindrical molded body; wherein said insert is bonded to said outer surface of said sidewall portion, and wherein said injection gate mark is positioned, as a result of the injection, at said inner surface of the cylindrical molded body between said upper and lower edges of said insert so as to be at a position corresponding to a position on said inner surface that is covered by said insert, whereby said insert is bonded solely to said outer surface of said sidewall portion substantially without wrinkles and without injected material on an outer surface of said insert.