Title:
METHOD FOR MAKING A DIAMOND TOOL GRINDING THE CONCRETE FLOOR
Document Type and Number:
WIPO Patent Application WO/2010/105419
Kind Code:
A1
Abstract:
A method for making a diamond tool grinding the concrete floor, includes the following steps: distributing uniformly irregular polycrystalline diamond and synthetic diamond in certain proportion on the substrate surface; then filling the metal adhesive in the gaps between the diamonds, wherein the adhesive comprises 40-70 wt.% cobalt, 10-20 wt.% copper, 15-20 wt.% tungsten carbide, 5-10 wt.% tin and 0.5-3 wt.% microelements; cold-press molding, then sending the molded piece into an vacuum & hot-press sinter furnace to sinter, keeping the temperature at 850℃-900℃ and the pressure at 10-15 ton; welding the sintered piece on a metal matrix finally.
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Inventors:
DENG GUOCHUAN (CN)
GAO YULIN (CN)
DENG RUI (CN)
GAO YULIN (CN)
DENG RUI (CN)
Application Number:
PCT/CN2009/070857
Publication Date:
September 23, 2010
Filing Date:
March 18, 2009
Export Citation:
Assignee:
DENG GUOCHUAN (CN)
GAO YULIN (CN)
DENG RUI (CN)
GAO YULIN (CN)
DENG RUI (CN)
International Classes:
B24B7/18; B24B7/22; B24D3/10
Foreign References:
| CN101376234A | 2009-03-04 | |||
| CN2741720Y | 2005-11-23 | |||
| CN1123819A | 1996-06-05 | |||
| CN1923463A | 2007-03-07 | |||
| CN1178253A | 1998-04-08 | |||
| US6238280B1 | 2001-05-29 | |||
| DE29920212U1 | 2000-02-17 |
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD. (Hubin East RoadXiamen, Fujian 4, CN)
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