Resin molded body joining method
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United States of America Patent
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-
Oct 31, 2006
Grant Date -
Dec 22, 2005
app pub date -
Jun 20, 2005
filing date -
Jun 21, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a joining method using a method of laser welding wherein two resin molded bodies can be joined with high welding strength. Specifically, this is a method that joins two thermoplastic resin molded bodies using a method of laser welding; the first resin molded body is a laser light transmissive molded body comprising a thermoplastic resin and cellulose fibers with an .alpha.-cellulose content of 80% or more; the second resin molded body is a laser light absorbent molded body containing a thermoplastic resin and a colorant; and the first resin molded body and the second resin molded body are welded by irradiating laser light from the first resin molded body side.
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