Single-pass roof bolt and apparatus and method for installation

Patent · Tue May 17 00:00:00 EDT 1988

OSTI ID:7042143

Price, W S; Saunders, T W

A roof bolting system adapted both to drill a bore in the roof a mine and to secure a roof bolt in the bore so formed for supporting the mine roof in a single-pass operation is described comprising: a roof bolting machine, and a roof bolt comprising: a tubular body open at the end thereof, constituting the inner end of the bolt; a cutting structure at the opposite end of the tubular body; and a head at the inner end of the bolt adapted to be held by the releasable holding means of the bolting machine for being rotated and advanced axially during drilling and for being pressed against the mine roof in pressurized relationship upon completion of drilling while the grouting material is hardening.

• Assignee: Baker International Corp., Houston, TX
• Patent Number(s): US 4744699
• OSTI ID: 7042143
• Resource Relation: Patent File Date: Filed date 19 May 1986
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
ROOF BOLTS
DESIGN
COAL MINING
INSTALLATION
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
ROCK DRILLING
ROCK MECHANICS
STRATA CONTROL
SUPPORTS
UNDERGROUND MINING
DRILLING
EQUIPMENT
MECHANICAL STRUCTURES
MECHANICS
MINING
MINING EQUIPMENT
012031* - Coal
Lignite
& Peat- Underground Mining- Strata Mechanics & Control- (1987-)