Outer blade cutting wheel and making method

Patent Number: 8459246
Publication Date: 2013-06-11
Inventor:

In an outer blade cutting wheel comprising an annular thin disc base of cemented carbide having an outer diameter of 80-200 mm, an inner diameter of 30-80 mm, and a thickness of 0.1-1.0 mm, and a blade section disposed on an outer periphery of the base, the blade section comprises diamond grains and/or CBN grains bound with a metal bond having a Young's modulus of 0.7-4.0×10¹¹Pa and has a thickness which is greater than the thickness of the base by at least 0.01 mm. The outer ...

Block splitter assembly and method of producing wall blocks

Patent Number: 8448634
Publication Date: 2013-05-28
Inventor:

The invention provides a block splitter assembly comprising first lower and second upper opposed splitter blade assemblies. The splitter blade assemblies have a splitting blade and two or more first forming blades. One forming blade is disposed to the right of and one forming blade is disposed to the left of the first splitting blade. The forming blades have forming edges. The splitting blade has a splitting edge that is straight, and the splitting blade has a greater maximum vertical ...

patentstorm.us

Outer blade cutting wheel and making method

Block splitter assembly and method of producing wall blocks