Rotary burring tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 3, 2015
Grant Date -
Feb 5, 2015
app pub date -
Aug 5, 2013
filing date -
Aug 5, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A texturizing tool that creates concentric, circular patterns of burrs in the surface of a workpiece by graving, planning or plowing, curved stop-grooves each with a burr of the displaced material which remains securely attached to the workpiece. Toothed cylindrical saws having angled slots for a drive pin are concentrically assembled. When forced against the workpiece, each saw rotates some few degrees causing the teeth to cut the stop-grooves and making the burrs. The drive pin and a return spring are carried in a capped outer cylindrical actuator which the drive pin also passes through. The concentric saw's cutting teeth cut in opposite directions to cancel out the cutting forces on the workpiece. Articles so texturized may be used in structural adhesive bonding, and for embedment of texturized articles such as fasteners, washers, plates and the like, into molded plastic and composite structures while being molded.
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