Title: Well drilling bit dressing apparatus and method

Abstract: A dressing apparatus for drill bits such as employed in well drilling operations including a horizontally reciprocating hammer having a die mounted on the end thereof which is relatively narrow in relation to the face of the drilling bit to be dressed. The hammer and die associated therewith are reciprocally guided and the die is provided with teeth on the end thereof to form ridges and grooves in a predetermined pattern on the face of the drilling bit. The drilling bit is supported in a cradle structure which enables the face of the drilling bit to be moved laterally in relation to the die to enable the die to be engaged with the drilling face from one lateral edge to the other.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Herke, John

Application Number: 865504
Filing Date: 1977-12-29
Publication_date: 1979-08-21
Assignee:
Primary Class(es): 76/5.1 76/108.1
Other Classes:
US Patent Ref:

1407286	Feb, 1922	Lee	76/5.
2808742	Oct, 1957	Ives	76/5.
2875647	Mar, 1959	Duft	76/5.
3327568	Jun, 1967	Meyer	76/5.

Other Refs:
Primary Examiner: Jones, Jr., James L.
Assistant Examiner: Smith, James G.
Attorney: O'Brien; Clarence A., Jacobson; Harvey B.