The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 29, 2011

Filed:

May. 09, 2003
Applicants:

Patrik Wahlström, Fagersta, SE;

Johan Ericson, Fagersta, SE;

Inventors:

Patrik Wahlström, Fagersta, SE;

Johan Ericson, Fagersta, SE;

Assignee:

Atlas Copco Secoroc AB, Fagersta, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In percussion rock drilling a screw joint for a drill run or drill string including male and female screw threads () on the elements () are joined together to form a drill string. Within the screw joint the male thread () and the female thread () have a trapezoidal shape and a slight conical inclination.


Find Patent Forward Citations

Wahlström, Patrik. (2011). Thread joint for a drill string for percussive rock-drilling (U.S. Patent No. 8066307). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8066307

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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