Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With housing surrounding or engaging coating means
Patent
1994-04-07
1996-01-02
Lacey, David L.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
With housing surrounding or engaging coating means
118300, 118 58, 81164, B05C 1106
Patent
active
054804850
ABSTRACT:
An apparatus for treating cellulosic fiber containing fabrics to improve durable press and shrinkage resistance includes using steam as a vehicle to supply vaporized liquid cellulosic cross-linking agent and vaporized liquid catalyst to a reaction chamber in which the fabric articles are treated by cross-linking the cellulose. Normally liquid cross-linking agent and liquid catalysts are directly injected into a stream of treating steam to cause vaporization of the cross-linking agent and catalyst. Alternatively, a steam driven ejector type pump is utilized to entrain and vaporize liquid cross-linking agent and liquid catalyst in a flowing stream of steam supplied to the reaction chamber. Gaseous ammonia may also be supplied to the reaction chamber to condition the cellulosic material containing fabric before cross-linking.
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McClain David R.
Shattuck Ewart H.
American Laundry Machinery Inc.
De Simone Mark
Lacey David L.
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