Method for coating a material length with a fluid coating substance

A method for uniformly coating a textile material length with a liquid substance which comprises partially immersing a coating roller means in a liquid coating substance contained within a trough, said trough having an edge which defines a slit closely adjacent to a curved surface of said coating roller means, rotating the immersed portion of said roller means towards said edge to effect dispensing of the liquid coating substance through said slit, a liquid guiding means including a planar liquid guiding element extending downwardly from said slit, conveying the material length to be coated closely adjacent to a lower edge of said guiding element and coating said material with the liquid substance dispensed through said slit by flowing the liquid substance directly from said slit down said guiding element directly onto said textile material length.

A method of uniformly coating a tufted carpet length with a dyeing liquor contained in a trough with a cylindrical roller being partially immersed in the dyeing liquor within said trough and said trough having an edge spaced from a cylindrical surface of the roller to define a slit therebetween, and a liquor guiding means extending downwardly from the edge of said trough, which comprises dispensing said dyeing liquor through said slit directly onto said liquor guiding means, flowing the dyeing liquor down said liquor guiding means, conveying the tufted carpet below and immediately adjacent to said liquor guiding means and coating the dyeing liquor onto one side of said tufted carpet length by flowing the dyeing liquor directly from said liquid guiding means onto said tufted carpet length.

A method of uniformly coating a textile material length with a liquid coating substance which comprises maintaining a level of a liquid coating substance within a trough having an overflow edge, a liquid guiding means including a planar liquid guiding element extending downwardly from said edge, and means having a surface immersed within and extending downwardly in the liquid coating substance positioned closely adjacent to said overflow edge for defining a slit between said edge and said surface of said means, dispensing said liquid coating substance through said slit directly onto said guiding element, flowing the liquid coating substance down said guiding element, conveying the textile material length below and immediately adjacent to a lower edge of said guiding element and coating the liquid coating substance onto said textile material length by flowing said liquid coating substance directly onto said textile material length.

A method of uniformly coating a tufted carpet with a dyeing liquor contained in a trough with a cylindrical coating roller being partially immersed in the dyeing liquor within said trough and said trough having an overflow edge spaced from a cylindrical surface of the coating roller to define a slit therebetween, a substantially vertical planar liquor guiding element extending from said overflow edge downwardly and a guide roller positioned immediately below said guiding element and parallel to said overflow edge for conveying the tufted carpet, which comprises dispensing said dyeing liquor through said slit directly onto said guiding element, flowing the dyeing liquor down said guiding element, conveying the tufted carpet below and immediately adjacent to said guiding element, over said guide roller to cause the side of the surface of the tufted carpet to be coated to open thereby enabling better penetration of the dyeing liquor into said carpet and coating the dyeing liquor onto said opened surface of said carpet by flowing the dyeing liquor directly from said guiding element onto said tufted carpet.