Invention Grant
- Patent Title: Water-based rust preventive pigment, water-based rust preventive paint, and highly corrosion resistant surface-treated chain
- Patent Title (中): 水性防锈颜料，水性防锈涂料，高耐腐蚀表面处理链条
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Application No.: US12440228Application Date: 2007-09-05
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Publication No.: US08415026B2Publication Date: 2013-04-09
- Inventor: Yuji Fukuike , Tomohide Takada , Satoshi Sato
- Applicant: Yuji Fukuike , Tomohide Takada , Satoshi Sato
- Applicant Address: JP Osaka
- Assignee: Tsubakimoto Chain Co.
- Current Assignee: Tsubakimoto Chain Co.
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006-241607 20060906; JP2007-012908 20070123
- International Application: PCT/JP2007/067275 WO 20070905
- International Announcement: WO2008/029833 WO 20080313
- Main IPC: C23F11/10
- IPC: C23F11/10 ; C23F15/00 ; C23C30/00 ; C23C26/00 ; B32B15/00 ; C23C24/00
Abstract:
A chain component part has a first coating film formed on an iron base material using a water-based rust preventive paint containing a water-based rust preventive pigment containing a nitrate and having good storing stability. Since zinc is eluted earlier, generation of red rust caused by iron is suppressed, and thus durability is improved. A roller chain includes a zinc-iron alloy ground layer formed on an iron base material by impact zinc plating, a first coating film formed using the water-based rust preventive paint, and a second coating film formed using a water-based top coat paint containing a water-based pigment and a water-soluble or hydrolyzable silane coupling agent containing an amino group.
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