Coating apparatus – Solid member or material acting on coating after application – Inside of hollow work
Patent
1994-04-18
1995-04-18
Jones, W. Gary
Coating apparatus
Solid member or material acting on coating after application
Inside of hollow work
156287, 156 94, 264 36, 118612, B05C 700, B05C 708
Patent
active
054074835
ABSTRACT:
An improved method for impregnating a tubular lining material with a hardenable liquid resin employed in a pipe repair operation by lining the pipe internally with the lining material; the method comprises (a) supplying about the same amounts of the same hardenable liquid resin to two mixing baths, (b) mixing the hardenable liquid resin with an agent to retard hardening and another agent selected from catalyst to facilitate hardening and hardener in one of the mixing baths, and, at the same time, mixing the hardenable liquid resin with a hardening accelerator in another one of the mixing baths, (c) supplying predetermined amounts of these mixtures to a static mixer from the respective mixing baths, (d) mixing these mixtures together in the static mixer to obtain a final mixture of hardenable resin, (e) supplying the final mixture to the tubular lining material, and (f) impregnating the tubular lining material with the final mixture.
REFERENCES:
patent: 4581247 (1986-04-01), Wood
patent: 5091417 (1991-05-01), Northcutt
DeSimone Mark
Jones W. Gary
Kamiyama Minoru
Yokoshima Yasuhiro
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