| US 7,338,619 B2 | ||
| Resin member and method of manufacturing the same | ||
| Hiroyuki Hagano, Aichi-ken (Japan); and Masayuki Nakagawa, Aichi-ken (Japan) | ||
| Assigned to Toyoda Gosei Co., Ltd., Aichi-ken (Japan) | ||
| Filed on Jul. 21, 2003, as Appl. No. 10/622,776. | ||
| Claims priority of application No. 2002-212785 (JP), filed on Jul. 22, 2002; and application No. 2002-307362 (JP), filed on Oct. 22, 2002. | ||
| Prior Publication US 2004/0056238 A1, Mar. 25, 2004 | ||
| Int. Cl. B65D 41/04 (2006.01); B65D 51/16 (2006.01); H01B 1/00 (2006.01) | ||
| U.S. Cl. 252—500 [252/502; 252/512; 252/514; 220/304; 220/305; 220/375; 220/567.2; 220/288; 524/431; 524/495; 524/496; 430/363; 430/270.1; 430/56] | 1 Claim |
| 1. A resin member that is mainly composed of a conductive resin material for grounding and that has a marked part formed by
laser radiation, the conductive resin material comprising:
a non-conductive resin material selected among a group of polyamide, polyethylene, acrylonitrile butadiene styrene, polycarbonate
and polybutylene terephthalate;
at least 1% by weight of metal filler as a conductive additive to give the non-conductive resin material conducting properties,
wherein the conductive additive is a metal filler selected among the group of stainless steel, nickel, chromium, zinc, copper,
aluminum, gold, silver, magnesium, titanium, and alloy of two or more of said metals, and combinations of two or more of said
metals, wherein the conductive resin material comprises at most 30% by weight of the conductive additive; and
0.01 to 3% by weight of carbon particles to give the marked part marking properties for laser radiation, wherein the carbon
particles have a mean particle diameter of 10 to 100 nm,
wherein the resin member is a cap cover to open and close an inlet opening of a fuel tank of a vehicle body, the inlet opening
being formed in a filler neck connected to the fuel tank, the cap cover and the filler neck form a ground path for grounding.
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