Mortar removal drill bit system

Details Mortar removal drill bit system Mortar removal drill bit system

2008-07-08

2008-07-08

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

With tool shaft detail

Helix or helically arranged structure

C175S394000, C175S434000

Reexamination Certificate

active

07395880

ABSTRACT:
A mortar removal drill bit system includes a toothed drill bit that includes an elongated rod that has a first end and a second end. A plurality of rectangular plates is attached to and extends laterally from the rod. Each of the plates has a distal edge with respect to the rod. Each of the distal edges is orientated parallel to a longitudinal axis of the rod. The first end of the rod is removably extendable into and attached to a drill.

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