Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Uniting preform member with molding material
Patent
1974-06-07
1978-04-25
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Forming structural installations in situ
Uniting preform member with molding material
52744, 264 36, 264 90, 264101, E04B 116
Patent
active
040863093
ABSTRACT:
A method for sealing cracks and cavities in different kinds of building constructions, such as building constructions in rock, concrete, brickwork and timber is disclosed, according to which holes communicating with the cracks or cavities are driven into the building construction. These holes are sealed outwardly and put in connection with a vacuum source so that the water present in the cracks or cavities is sucked by the negative pressure in the direction towards the holes. Crack sealing material e.g. cement, epoxy tar, setting plastic, silicate based sealant or the like, is then applied to the cracks or cavities and is, due to the negative pressure prevailing in them, drawn into its sealing positions in the building construction, where it is allowed to harden or set under the influence of the negative pressure.
REFERENCES:
patent: 1883196 (1932-10-01), Wertz
patent: 2313110 (1943-03-01), Wertz
patent: 2524419 (1950-10-01), Billner
Pavelko Thomas P.
Stabilator AB
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