Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Special forms and forming
Patent
1982-06-10
1985-10-22
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Special forms and forming
68205R, D06B 106
Patent
active
045479216
ABSTRACT:
A versatile carpet dyeing applicator capable of producing novel and visually pleasing multicolor pattern effects ranging from apparently completely random to fairly well-defined. An inclined distributing plate such as a conventional doctor blade extends across the width of the carpet web, transverse to the direction of web travel, with a lower edge of the distributing plate positioned so that dye flowing off falls on the carpet web. Means, such as a conventional dye pickup roller rotating in a dye supply trough, introduces liquid of a base color onto the distributing plate at an upper edge thereof to form a base color dye film initially flowing substantially uniformly downwardly over the distributing plate. At least one plurality of delivery tubes has outlet ends spaced along the distributing plate with the outlet ends positioned above and directed towards the distributing plate for adding dye or chemical of at least one additional color or other characteristic to the base color dye film in selected areas of the distributing plate. Thus, mixing and spreading occurs on the surface of the distributing plate. The dye delivery tube outlet ends are spaced on approximately two-inch centers, and are carried by a moving nozzle bar extending across the width of the carpet web. A controlled valving arrangement selectively provides the dye or chemical of the at least one additional color or characteristic to individual ones of the dye delivery tubes under pattern control. For supplying additional dye colors to the doctor blade, it is preferred that there are a plurality, for example three, of independently reciprocating nozzle bars, with separate colors or other characteristics.
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Clifford Alfred
Otting Billy J.
Coe Philip R.
Otting Machine Company, Incorporated
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