Nut member and mine roof support system incorporating same
Patent
·
OSTI ID:7160994
This patent describes an improved mine roof support system including a support plate having a central opening, and an elongated rod having a leading end inserted into a drill hole behind a resin cartridge and advanced to break the cartridge and rotated to mix the components thereof to form a hardened, chemical anchor for the rod, and a trailing end of predetermined diameter from which the rod is threaded for a portion of its length. The improvement described here comprises a nut element engaged with the threaded portion of the rod.
- Assignee:
- Eastern Co., Naugatuck, CT
- Patent Number(s):
- US 4618291
- OSTI ID:
- 7160994
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012031* -- Coal
Lignite
& Peat-- Underground Mining-- Strata Mechanics & Control-- (1987-)
BOREHOLES
CAVITIES
COAL MINES
FABRICATION
FASTENERS
FASTENING
JOINING
JOINTS
MECHANICAL STRUCTURES
MINES
MINING
MOTION
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
RESINS
RINGS
RODS
ROOFS
ROTATION
SUPPORTS
THREADED JOINTS
TORQUE
UNDERGROUND FACILITIES
UNDERGROUND MINING
012031* -- Coal
Lignite
& Peat-- Underground Mining-- Strata Mechanics & Control-- (1987-)
BOREHOLES
CAVITIES
COAL MINES
FABRICATION
FASTENERS
FASTENING
JOINING
JOINTS
MECHANICAL STRUCTURES
MINES
MINING
MOTION
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
RESINS
RINGS
RODS
ROOFS
ROTATION
SUPPORTS
THREADED JOINTS
TORQUE
UNDERGROUND FACILITIES
UNDERGROUND MINING