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US 9,464,373 B1Granted
Shifted angle fabric
AssigneeHighland Industries, Inc.
InventorsJimmy L. Pruitt, Charles Albert Watson, Jr.
Life of this patent
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AssigneeHighland Industries, Inc.
InventorsJimmy L. Pruitt, Charles Albert Watson, Jr.
Estimating the term…
An apparatus and method for producing a shifted angle fabric and the product produced thereby. The apparatus includes a supply of fabric and a differential tenter frame. The differential tenter frame includes a frame, a pair of opposed, constant path rails and a differential drive. The differential tenter frame is located downstream from the supply of fabric for receiving the opposing edges of the fabric and advancing the opposing edges at different speeds to shift the weft angle of the fabric as the fabric travels the length of the differential tenter frame. A high velocity, low heat drying range adjacent to the differential tenter frame simultaneously dries the fabric as the fabric travels the length of the differential tenter frame. A take-up roll downstream from the differential tenter frame then takes up the dried fabric.
A shifted angle woven fabric having warp yarns and weft yarns, wherein said weft yarns are shifted between about 110 degrees and about 125 degrees relative said warp yarns, wherein the crimp of said fabric is substantially equal in both the warp and weft directions, and wherein side-to-side variation in warp yarn crimp is negligible.
Dependencies are inferred from the claim text.