Title:
MULTI-RESINOUS MOLDED ARTICLES HAVING DIFFUSED AND GRADED INTERFACES
Document Type and Number:
WIPO Patent Application WO2004065064
Kind Code:
A3
Abstract:
Molded articles in the form of grinding / cut-off wheels, drill bits, reamers, knife, blade, etc., having a core section or sections comprising a moldable resin of some intensive property, e.g., hardness, concentration, etc., and a surface layer or rim or section(s) comprising another moldable resin of different magnitude of the same intensive property e.g.; hardness, concentration, etc., and abrasive articles selected from one or more of diamond, cubic boron nitride (CBN), alumina, SiC, garnet, and mixtures thereof. The articles are characterized in that a) the resins comprising the sections are miscible and diffusively or convectively mixed; b) a composition ratio of the abrasive articles in the resins is decreased inwardly from a surface of said molded article on a scale of the mesh size of the abrasive and article size; and c) the resins comprising the sections are miscible and diffusively mixed.
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Inventors:
WEBB STEVEN WILLIAM (US)
MUDHOLKAR MANDAR SHYAM (US)
MUDHOLKAR MANDAR SHYAM (US)
Application Number:
PCT/US2004/000254
Publication Date:
March 31, 2005
Filing Date:
January 07, 2004
Export Citation:
Assignee:
DIAMOND INNOVATIONS INC (US)
WEBB STEVEN WILLIAM (US)
MUDHOLKAR MANDAR SHYAM (US)
WEBB STEVEN WILLIAM (US)
MUDHOLKAR MANDAR SHYAM (US)
International Classes:
B24D3/28; B24D5/12; B24D5/14; (IPC1-7): B24D3/28; B24D5/12; B24D5/14
Domestic Patent References:
WO2001064399A1 | 2001-09-07 |
Foreign References:
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