Textiles: fluid treating apparatus – Machines – Combined
Patent
1984-07-06
1986-12-16
Hornsby, Harvey C.
Textiles: fluid treating apparatus
Machines
Combined
26 85, D06F 2900
Patent
active
046287124
ABSTRACT:
A tubular textile fabric is advanced through a treatment range having one or several cylindrical expanders. An inlet roller guides the tubular fabric to the expander in a flat shape, whereupon the expander expands the tubular fabric into a substantially cylindrical shape which is again flattened as it moves toward and over an outlet or discharge roller. In the inlet zone between the inlet roller and the expander and in the outlet zone between the expander and the outlet roller, where the fabric changes from the flat form into the expanded form of said cylindrical shape and vice versa, the fabric is exposed to different stretching forces or differing drafts due to differences in the distances that different portions of the fabric must travel while passing through these zones. These different stretching forces or drafts in the inlet zone are effective in the feed advance direction and are compensated by corresponding stretching forces or drafts in the outlet zone. The compensating stretching forces or drafts are caused by twisting the fabric. The twisting in turn is accomplished in that the plane defined by the inlet roller and the plane defined by the outlet roller enclose an angle, preferably an angle of about 90.degree., whereby the fabric passes through about a quarter turn from the inlet roller to the outlet roller.
REFERENCES:
patent: 2591903 (1952-04-01), Yost
patent: 2668324 (1954-02-01), Johnson
patent: 2798515 (1957-07-01), York
patent: 3285446 (1966-11-01), Strickland
patent: 4269046 (1981-05-01), Strahm et al.
Fasse W. G.
Hornsby Harvey C.
Kane, Jr. D. H.
Lindauer Dornier Gesellschaft mbH
Stinson Frankie L.
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