| 摘要 |
PROBLEM TO BE SOLVED: To provide a joining method for a resin molded article capable of stabilizing a creep fracture life of a resin molded article obtained by joining, under melting, two resin molded articles with each other. SOLUTION: Edge surfaces of melt-adhesible two resin molded articles 2, 3 which are to be adhered under melting are heated, melt-adhesing layers 22, 32 are formed on the two surfaces of the resin molded articles which are to be adhered under melting, and then the melt-adhesing layers 22, 32 are adhered under pressure whereby melt-adhesion is completed, wherein the pressure to be charged is 0 to 10 MPa, preferably 5 MPa or lower and the minimum thickness of the adhesion part 4 after melt-adhesion is 100μm or lower. COPYRIGHT: (C)2010,JPO&INPIT
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