MANUFACTURING METHOD OF WEATHER STRIP
PROBLEM TO BE SOLVED: To provide a manufacturing method of a weather strip which can prevent the shrinkage in the length direction with time, even the method has a process of deforming a core-containing rubber part formed by a rubber compound having a thermoplastic resin. SOLUTION: The method compri...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a manufacturing method of a weather strip which can prevent the shrinkage in the length direction with time, even the method has a process of deforming a core-containing rubber part formed by a rubber compound having a thermoplastic resin. SOLUTION: The method comprises: extrusion-shaping a rubber extruded article 10 which is composed of a rubber compound made by compounding the thermo-plastic resin and base rubber, the thermoplastic resin being fusible by heat in an extruder, and has an attaching base part 2 with a core material 4 embedded therein; vulcanizing the rubber extruded article 10 by heat-treating it; and deforming the attaching base part 2 by adding outer force while the rubber extruded article 10 is kept at a temperature of 40°C or more. COPYRIGHT: (C)2007,JPO&INPIT |
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