CA2303710A1 - Straight hole drilling system - Google Patents
Straight hole drilling system Download PDFInfo
- Publication number
- CA2303710A1 CA2303710A1 CA002303710A CA2303710A CA2303710A1 CA 2303710 A1 CA2303710 A1 CA 2303710A1 CA 002303710 A CA002303710 A CA 002303710A CA 2303710 A CA2303710 A CA 2303710A CA 2303710 A1 CA2303710 A1 CA 2303710A1
- Authority
- CA
- Canada
- Prior art keywords
- rod
- sleeve
- drilling system
- hole drilling
- straight hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Abstract
A drill rod for a drill string has a thread at each end and is connected t an adjacent rod by a sleeve. The threads on the sleeve and rod are configured to reduce stress concentrations and provide sacrificial wear on the sleeve. The thread has a single start with a part circular root and the wear volume on the sleeve is less than that on the rod. The outer diameter of the rod is at least twice that of the inner bore.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPO4458 | 1997-01-06 | ||
AUPO4458A AUPO445897A0 (en) | 1997-01-06 | 1997-01-06 | Straight hole drilling system |
CA002221018A CA2221018C (en) | 1997-01-06 | 1997-12-05 | Straight hole drilling system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002221018A Division CA2221018C (en) | 1997-01-06 | 1997-12-05 | Straight hole drilling system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2303710A1 true CA2303710A1 (en) | 1998-01-05 |
CA2303710C CA2303710C (en) | 2005-11-08 |
Family
ID=25645343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002303710A Expired - Lifetime CA2303710C (en) | 1997-01-06 | 1997-12-05 | Straight hole drilling system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2303710C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3298229B1 (en) | 2015-05-22 | 2020-10-14 | Sandvik Intellectual Property AB | Drill rod or adaptor with strengthened spigot coupling |
-
1997
- 1997-12-05 CA CA002303710A patent/CA2303710C/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3298229B1 (en) | 2015-05-22 | 2020-10-14 | Sandvik Intellectual Property AB | Drill rod or adaptor with strengthened spigot coupling |
Also Published As
Publication number | Publication date |
---|---|
CA2303710C (en) | 2005-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2221018A1 (en) | Straight hole drilling system | |
BR0212608A (en) | Mounting and Drilling Method of Directly Undercut Bottom | |
FR2357770A1 (en) | SELF-DRILL AND SELF-TAPPING PITON | |
AU1654100A (en) | Screw, especially a concrete screw | |
SE8501699D0 (en) | THREAD STRUCTURE FOR PERCUSSION ROCK DRILLING | |
CA2286740A1 (en) | Self-drilling and thread-forming connecting element | |
DE58903641D1 (en) | DRILL INJECTION ANCHOR. | |
CA2182754A1 (en) | Drill pipe float valve and method of manufacture | |
EP0908637A3 (en) | Nut and pipe clamp | |
FI60598C (en) | FAESTORGAN MED EN EXPANSIONSHYLSA | |
CA2240144A1 (en) | Low torque threaded fastener and mine roof support system using such a fastener | |
SE8304638L (en) | DOUBLE WIRING CHRONICLE | |
CA2303710A1 (en) | Straight hole drilling system | |
GR3005250T3 (en) | ||
MY123012A (en) | Drill rod coupling | |
RU95119324A (en) | TOOL FOR DRILLING WELLS | |
HUP9702486A2 (en) | Wood support device joint, method for producing it and drill screw | |
CA2478594A1 (en) | Double shoulder oilfield tubular connection | |
CA2137336A1 (en) | Dual string tubing rotator | |
AU4296296A (en) | Rod for an anchor inserted by drilling and injection grouting | |
EP0979922A3 (en) | Tube rod | |
JP2003239698A (en) | Resin bolt | |
ATE312281T1 (en) | CYLINDER HEAD | |
EP0376044A3 (en) | Core-drilling tool | |
SU953180A1 (en) | Drill pipe joint |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20171205 |