Mine stopping
AssigneeJack Kennedy Metal Products & Buildings, Inc.
InventorsWilliam R. Kennedy, John M. Kennedy
Life of this patent
Estimating the term…
Abstract
A stopping system for use in mines. The stopping system includes a king post truss for reinforcing the stopping panels against excessive deflection due to a pressure differential across the stopping panels. The truss has a variable length to accommodate convergence and divergence of the mine walls on which the truss is mounted.
Claims56
A high pressure stopping system for use in a mine to at least partially block a mine passage, said stopping system comprising:
- a plurality of stopping panels adapted to be positioned side-by-side to form a stopping wall extending between opposite side walls of a mine passage;
- and
- an elongate brace for reinforcing the stopping wall against deflection, said brace comprising a tubular central beam and at least one telescoping slide member telescopically engaging the central beam to provide relative movement therebetween whereby said brace has a variable length.
A truss for reinforcing a mine stopping system against deflection when under load, said stopping system comprising a plurality of stopping panels secured together side-by-side to form a stopping wall for at least partially closing a mine passageway, said truss comprising:
- a compression chord having opposite ends and comprising a central beam having opposite ends and at least one slide member slidably mounted on said central beam adjacent one end thereof and being movable relative to the central beam for varying the length of the compression chord;
- a tension chord having opposite ends secured to the central beam adjacent opposite ends of the central beam;
- and
- a web extending between the central beam and the tension chord generally at a center of the truss.
A stopping system installed in a mine to form a stopping wall to at least partially block a mine passage having side walls, said stopping wall having a normally high pressure side and a normally low pressure side, said stopping system comprising:
- a plurality of stopping panels positioned adjacent one another and secured together in side-by-side relation to form a portion of said stopping wall;
- a door frame defining an opening through the stopping wall, said door frame including a pair of spaced apart generally vertical columns secured to some of the stopping panels and a generally horizontal lintel secured to some of the stopping panels and extending between said columns, said columns each having a lower end disposed for engagement with a floor of the mine passage at a position between side walls of the mine passage and an upper end spaced from a roof of the mine passageway and positioned adjacent a respective end of the lintel and secured thereto, said columns and lintel cooperating to reinforce the wall against deflection under a pressure differential load;
- and
- at least one door movably mounted on at least one of said columns.
A mine stopping system installed in a mine comprising:
- a brace comprising an elongate central beam, at least one slide member operatively associated with the central beam to provide relative movement therebetween whereby said brace has a variable length, and anchor members at opposite ends of the brace attached to mine walls of a mine passageway so that the brace is secured to and extends between said mine walls;
- a first set of generally vertical lower stopping panels positioned side-by-side and having upper and lower ends;
- a second set of generally vertical upper stopping panels positioned side-by-side and having upper and lower ends, the upper stopping panels being positioned above lower stopping panels with the lower ends of the upper panels positioned adjacent the upper ends of the lower stopping panels, the first and second sets of panels being positioned in said mine passageway and at least partially closing the mine passageway;
- and
- means for securing the beam to selected upper and lower stopping panels adjacent the lower ends of the upper panels and the upper ends of the lower panels,
- said at least one slide member being operatively associated with the central beam so that said at least one slide member may move relative to the central beam upon movement of at least one of said mine walls.
A high pressure stopping system installed in a mine to at least partially block a mine passage, said stopping system comprising:
- a stopping wall extending between opposite side walls of a mine passage;
- and
- an elongate brace for reinforcing the stopping wall against deflection, said brace comprising a central beam having a component which extends perpendicular to the stopping wall to resist lateral forces exerted against the stopping wall by air pressure.
A brace for reinforcing a stopping wall in a mine against deflection, said brace comprising:
- a tubular central beam,
- at least one telescoping slide member telescopically engaging the central beam to provide relative movement therebetween whereby said brace has a variable length,
- anchor members at opposite ends of the brace adapted to be secured to side walls of the mine, and
- friction lock means for locking the telescoping slide member in position with respect to the central beam, said friction lock means being adapted to permit telescoping of the telescoping member relative to the central beam in the event of movement of the side walls of the mine.
A brace installed in a mine for reinforcing a stopping wall against deflection, said brace comprising:
- a central beam, and
- at least one slide member slidably engaging the central beam to provide relative movement therebetween whereby said brace has a variable length,
- each of said beam and slide member being mounted on the stopping wall so that a component of the beam extends perpendicular to the stopping wall to resist lateral forces exerted against the stopping wall by air pressure.
Dependencies are inferred from the claim text.