The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2009
Filed:
Aug. 10, 2004
Satoshi Yamamoto, Neyagawa, JP;
Heihachi Yushina, Neyagawa, JP;
Osamu Nakagawa, Neyagawa, JP;
Orient Chemical Industries, Ltd., Neyagawa-shi, JP;
Abstract
Disclosed is a laser-transmissible resin composition for laser welding having 100 parts by weight of a thermoplastic resin, and 0.01 to 3 parts by weight of titanium oxide that has a density of at least 4 g/cmand an average particle size of 100 to 400 nm; and the resin composition exhibits a whitish hue of white, gray or tint color. Also disclosed is a method for laser welding that includes piling a resin workpiece that is at least partly capable of laser-absorption onto a laser-transmissible resin workpiece that is molded out of the laser-transmissible resin composition, and irradiating a laser beam thereto to weld thermally.