Hollow drilling tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Jan 22, 1990
filing date -
Jan 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hollow drilling tool is made up of an axially extending tubular carrier part, a cutting body at one end of the carrier part, and guide elements located in the axial direction of the carrier part between the cutting body and the carrier part. The radially outer surface of each guide element is in alignment in the axial direction of the carrier part with the radially outer surface of the cutting body. The guide elements guide the hollow drilling tool in a borehole formed by the cutting body.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully