Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
Patent
1998-01-26
2000-02-22
Lillis, Eileen Dunn
Mining or in situ disintegration of hard material
Processes
Directly applying heat or vibration
299 361, 404 77, 404 95, E21C 3716
Patent
active
060271744
ABSTRACT:
A method of removing ceramic tile wherein the tiles are heated using a gas burner by passing the flame of the burner over the surface of the ceramic tile where it is secured to a supporting surface by grout or other cementitious material. The ceramic tile is thus exposed to the burner flame for a period of time sufficient to fracture the ceramic tile from its secured position surrounded by the grout or other cementitious material. The apparatus upon which the burner is mounted includes a fuel supply, a burner assembly having at least one gas burner with a flame of at least 200,000 BTU. The fuel supply and burner assembly are interconnected to supply fuel to the burner assembly, and are mounted on a wheeled cart. The burner assembly is further positioned on the cart such that the burner is at least 3-5 inches above the ceramic tile being removed, such that the flame is provided from the burner in a circle having a diameter of approximately 6 inches over the ceramic tile being removed.
REFERENCES:
patent: 3400244 (1968-09-01), Meltzer
patent: 3601448 (1971-08-01), Stone
patent: 4981548 (1991-01-01), Poll
patent: 5082330 (1992-01-01), Holder
patent: 5197784 (1993-03-01), Holder
Gerbasi John C.
Kreck John
Lillis Eileen Dunn
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