Coating processes – Vacuum utilized prior to or during coating
Patent
1991-08-06
1992-07-28
Beck, Shrive
Coating processes
Vacuum utilized prior to or during coating
427296, 427314, 427439, 118 50, B05D 310
Patent
active
051339951
ABSTRACT:
A process for preimpregnating reinforcing elements with a liquid substance includes the following series of steps or stages: placing the reinforcing elements in a sealable enclosure, applying a vacuum of sufficient intensity and duration to the enclosure to eliminate at least the majority of water and gas present in the reinforcing elements contained therein and introducing sufficient liquid substance into the enclosure for the substance to cover the elements once the elements have been impregnated. The device for carrying out this process includes an enclosure for containing the elements, means for applying a vacuum to the enclosure for removing at least the majority of the water and gas present in the reinforcing elements and an orifice or conduit for introducing the liquid substance into the enclosure.
REFERENCES:
patent: 1986319 (1935-01-01), Bongrand et al.
patent: 2577727 (1951-12-01), Abbott
patent: 3042546 (1962-07-01), Henningsen
patent: 3384505 (1968-05-01), Palmer
patent: 3730678 (1973-05-01), Wedler et al.
patent: 3876464 (1975-04-01), McNerney
patent: 4384014 (1983-05-01), Young
Do Anh T.
Huvey Michel
Bashore Alain
Beck Shrive
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