Seam weaving method using a shedding system with pneumatically operated heddles
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United States of America Patent
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-
Nov 1, 1994
Grant Date -
N/A
app pub date -
Sep 4, 1992
filing date -
Sep 10, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shedding device and a method for joining the ends of a fabric into an endless belt of fabric, or, alternatively, joining the ends of separate pieces of fabric into a single piece of fabric. The shedding device employs a plurality of heddles supported at only one end, allowing the heddles to be individually moved or adjusted. The heddles are connected to the top ends of piston rods of a plurality of pneumatic cylinders. The heddles move up and down to shift threads passing through the heddles, so as to form a shed. The shedding method employs an interweaving piece of fabric, with a portion of the interweaving piece having only weft threads. The weft thread of the interweaving piece interwoven with the warp threads of the ends of the fabric to be joined. Alternatively, the weft threads of the interweaving piece can be interwoven with the weft threads of the ends of the fabric to be joined.
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