Weather strip for vehicle and producing method thereof
This method describes a method for producing a weather strip composed of a channel shaped base portion, a seal portion projecting from an outer surface of the base portion, and a partially connected core member embedded in the base portion in its longitudinal direction, comprising: supplying a core member made of a strip-shaped thermoplastic synthetic resin sheet and having transversely extending slots at regular intervals in the longitudinal direction of the core member; integrally extruding the core member with rubber material to obtain an extruded body; heating the extruded body to soften the extruded core member and cure the extruded rubber material; bending the extruded core member while the extruded core member remains softened with the rubber material to have a U-shaped cross section to form the base portion and cooling the bent extruded body having the formed base portion.
- Assignee:
- Toyoda Gosei Co., Ltd., Nishikasugai
- Patent Number(s):
- US 4676856
- OSTI ID:
- 6340971
- Country of Publication:
- United States
- Language:
- English
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