Invention Application
- Patent Title: Anchoring drill bit, system and method of anchoring
- Patent Title (中): 锚定钻头,系统和锚固方法
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Application No.: US10988998Application Date: 2004-11-12
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Publication No.: US20050098358A1Publication Date: 2005-05-12
- Inventor: Donald Nadler
- Applicant: Donald Nadler
- Main IPC: B23B49/00
- IPC: B23B49/00 ; B23B51/00 ; B23B51/02 ; E21B10/44

Abstract:
A system, apparatuses and methods for anchoring are provided. The system includes two-stage drill bit and a method of anchoring into a two-stage hole drilled by the drill bit. The apparatus of the instant invention includes a two-stage drill bit for drilling a pilot hole for a common nail into a material such as concrete, stone, masonry or cementuous or other materials. The method of the instant invention includes the steps of drilling a first hole within a material to which an object is to be anchored, drilling a second hole concentric with the first hole, and placing an anchor within the holes.
Public/Granted literature
- US07384223B2 Anchoring drill bit, system and method of anchoring Public/Granted day:2008-06-10
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