To provide a method, for molding a warp stripe coping, which is capable of forming a warp stripe pattern in a synthetic resin coping to be formed by extrusion molding and upgrading its decorativeness and presentable appearance by wiping out a proper image of a conventional synthetic resin coping.
In this method, the outer surface of a coping main body is molded of an extruded molten resin by a molding hole 15 and a core 16 of the mold assembly 13 and a recessed groove is formed in the outer surface of the coping body with the help of a protrusion 23 formed on the inner circumference of the molding hole 15. In addition, a resin of different color C from the coping body is packed inside the recessed groove of the moving coping body and the outer diameter of the coping is finished by a finishing hole 18 of a finishing mold 14 and a core 19.
COPYRIGHT: (C)2004,JPO&NCIPI
| JP2002227368A | ||||
| JP2002180633A |
Higashio Masahiro
Torii Kazuhisa