US 7,472,464 B2
Milling head for removing heat dissipating elements from a tube
J. Randall Hall, Wadsworth, Ohio (US)
Assigned to H&S Tool, Inc., Wadsworth, Ohio (US)
Filed on Nov. 03, 2005, as Appl. No. 11/266,103.
Prior Publication US 2007/0098509 A1, May 03, 2007
Int. Cl. B23P 23/00 (2006.01)
U.S. Cl. 29—33T  [29/890.031; 29/50; 82/113; 409/138; 409/192; 407/48; 407/42] 33 Claims
OG exemplary drawing
 
1. A milling head for a rotary milling tool and having a central rotational axis, comprising:
a body having an upper tool mounting portion adapted to be connected to a rotary milling tool, wherein the body has a tube bore adapted to accept a portion of a tube, and one or more milling elements adapted to mill a heat dissipating element on the tube, wherein the one or more milling elements are each connected to a respective milling element support of the body, wherein the one or more milling elements each have a lowermost first cutting edge and a second cutting edge meeting at a tip located at a lowermost, radially innermost portion of the respective milling element, and wherein an angle between the first cutting edge and the second cutting edge is less than 60°, and wherein an angle between the first cutting edge and a line extending through the tip perpendicular to the central rotational axis of the milling head is from about 15° to about 75°.