Process for manufacturing weather strip
AssigneeToyoda Gosei Co., Ltd.
InventorMasanori Aritake
Life of this patent
Estimating the term…
Abstract
A process for manufacturing a weather strip comprising the steps of setting an end portion of an extruded portion in a mold cavity, injecting a semi-rigid resin material into the cavity to form an attachment portion of a molded portion to integrally connect the attachment portion of the molded portion to an attachment portion of the extruded portion, and injecting thereafter a soft or sponge thermoplastic elastomer material into the cavity to form a sealing portion of the molded portion to integrally connect the sealing portion of the molded portion to a sealing portion of the extruded portion.
Claims4
A process for manufacturing a weather strip comprising
- an extruded portion and a molded portion which is integrally connected to an end portion of said extruded portion, comprising the steps of:
- setting the end portion of said extruded portion in a mold cavity, said extruded portion comprising a sealing portion formed by extrusion molding from a sponge rubber, soft thermoplastic elastomer or sponge thermoplastic elastomer and an attachment portion having a core member embedded therein and formed by co-extrusion molding from a solid rubber, low foamed rubber or thermoplastic elastomer;
- injecting a semi-rigid resin material into said cavity to form an attachment portion of said molded portion to integrally connect said attachment portion of said molded portion to said attachment portion of said extruded portion;
- and
- injecting thereafter a soft or sponge thermoplastic elastomer material into said cavity to form a sealing portion of said molded portion to integrally connect said sealing portion of said molded portion to said sealing portion of said extruded portion.
Dependencies are inferred from the claim text.