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    • 3. 发明专利
    • PRODUCTION OF GUIDE EDGE MATERIAL OF WINDOW GLASS FOR CAR
    • JPH0825452A
    • 1996-01-30
    • JP22254691
    • 1991-05-24
    • TOKIWA CHEM IND LTDMASUZAWA CHEM HANBAI KK
    • MIYAGAWA NAOHISAMASUZAWA MINORU
    • B29C47/06B29K101/00B29K423/00B29K475/00B29K477/00B29L9/00B29L31/30C08J5/14B60J10/04
    • PURPOSE:To integrally mold a contact strip surface low in slide resistance on the guide edge material of window glass by subjecting a contact strip surface mixed with synthetic resin powders different in m.p. and low in friction to extrusion molding simultaneously with the molding of the guide edge material to form the same to the surface of a pressure holding tongue piece with which the end edge of window glass comes into contact under pressure and the internal surface of an insertion recessed part. CONSTITUTION:Pressure holding tongue pieces 3, 4 are formed to the inlet of an insertion recessed part in which the end edge of window glass is inserted at the opposed positions in the longitudinal direction of the recessed part 2 and various large and small powders or particles 8 of synthetic materials different in m.p. are mixed with the material of the synthetic resin such as nylon, urethane, polyolefin or polystyrene of the inner bottom surface and side wall 6 with which the end edge of window glass comes into contact under pressure of the insertion recessed part 2 and the contact strip surfaces 10 of the surfaces with which window glass comes into contact under pressure of the pressure holding tongue pieces 3, 4. The contact strip surfaces 10, 10 are subjected to extrusion molding simultaneously with the extrusion molding of a guide edge material 1. By this constitution, rough surface parts 9, 9 are integrally generated on the surfaces of the contact strip surfaces 10, 10 by the melting degree of a large number of melted parts and unmelted parts.