Method and apparatus for heated pressurized fluid stream treatme

Details Method and apparatus for heated pressurized fluid stream treatme Method and apparatus for heated pressurized fluid stream treatme

1990-04-23

1991-07-30

Schroeder, Werner H.

Textiles: cloth finishing

Ornamental

By fiber removal

26 2R, 28160, 28163, D06C 2300

Patent

active

050350315

ABSTRACT:
A method and apparatus for treatment of relatively moving substrate materials by preheating the substrate before precise selective application of discrete, high temperature pressurized streams of fluid against the surface of the materials to impart a visual and tactile change thereto. The apparatus includes an elongate manifold for receiving heated pressurized fluid, such as air, disposed across the width of the relatively moving material and having a single slit the full width of the substrate for directing the fluid into the surface of the material. Pressurized cool fluid, such as air, is directed across selected portions of the manifold discharge slit to deflect pressurized heated air away from the substrate. The manifold is provided with cool air outlets which direct the heated air to a position upstream of the path of movement of the substrate for preheating purposes. The apparatus is further arranged and configured to enhance the visibility of faults in the substrate.

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