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Title:
ABRASIVE MATERIAL, POLISHING TOOL USING THIS ABRASIVE MATERIAL AND MANUFACTURE OF SHARP MEMBER BY THIS ABRASIVE MATERIAL
Document Type and Number:
Japanese Patent JPH10309671
Kind Code:
A
Abstract:

To provide a polishing tool sharp and excellent in durability and free to extensively use by containing a leather grinding pad covered with a leather grinding material as well as an edge having a specific range of a recovery factor against a residual recession and a saw-tooth blade.

A leather grinding pad is covered with a leather grinding material containing 50-80 wt.% of abrasive particles of a grain size with an ethylene copolymer as a base. An olefinic thermoplastic resin is added. With an abrasive containing the leather grinding pad. Additionally, a flat pad can be injection molded, made into a ring body or in a disc shape, and it is injection molded on a rigid core bar as the ring body for honing and leather grinding and a rotary disc to be driven in the axial direction. A new material 13 for a disc 15 is used to make a knife 4 having a cutting surface 11 along an edge having a 30-60% recovery factor against a residual recession an ultrasharp edge, and the edge at a position 14 deforms an abrasive additive 13. A blade surface is held at an angle larger than an angle V of the blade surface so that it makes partially contact with a surface.


Inventors:
Friel Sr., Daniel D.
Friel Jr., Daniel D.
Bigliano, Robert P.
Application Number:
JP1998000065733
Publication Date:
November 24, 1998
Filing Date:
March 16, 1998
Export Citation:
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Assignee:
EDGECRAFT CORP
International Classes:
B24B3/36; B24B3/54; B24B33/08; B24D3/28; B24D3/34; B24D7/18; B24D15/06; B24D18/00; B29C45/00; B29C45/14; (IPC1-7): B24D3/28; B24B3/36
Attorney, Agent or Firm:
八田 幹雄 (外1名)



 
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