Method of manufacturing core, method of manufacturing trim, and core manufactured by the same
A manufacturing method and decorative strip technology, applied in the manufacture of core materials, decorative strips, and core materials, can solve the problems of poor yield and waste, and achieve the effects of ensuring rigidity, reducing deviation, and improving rigidity
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[0078] Next, an embodiment in which a mode for carrying out the present invention has been embodied will be described.
[0079] like figure 1 As shown, with regard to the long trim 11 (so-called trunk sealing trim) installed on the flange (not shown) of the trunk opening edge of the body panel of the automobile or the like, rubber or thermoplastic synthetic resin (including Thermoplastic Elastomer) and other elastic polymer materials are extruded to integrally form the mounting part 12 with a U-shaped cross-section and the cylindrical hollow sealing part 13 made of sponge rubber or soft TPE material, and then insert and extrude Molding (also referred to as co-extrusion molding) embeds the core material 14 formed of a band-shaped metal plate in the mounting portion 12 .
[0080] The mounting portion 12 has a vehicle exterior side wall portion 15, a vehicle interior side wall portion 16, and a bottom wall portion 17 connecting the two side wall portions 15 and 16. On the outsid...
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