Apparatus and method for treating and impregnating porous structures
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United States of America Patent
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Nov 28, 2006
Grant Date -
Dec 23, 2004
app pub date -
Jun 20, 2003
filing date -
Jun 20, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and method for treating by injecting a fluid treatment material into porous structures such as those formed from concrete, brick, stone, marble, and wood. The apparatus includes an applicator head having an inner chamber and an outer chamber surrounding the inner chamber both of which chambers are connected with a vacuum source. The inner chamber is also connected with a source of pressurized liquid treatment material. The method is for treating such porous structures and includes the steps of engaging the structures with the applicator head, drawing a vacuum on at least the outer chamber to secure the applicator head to the structure, and supplying the pressurized liquid treatment material to the inner chamber to impregnate the structure to be treated.
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