Yarn splicing device
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United States of America Patent
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Feb 24, 2004
Grant Date -
Nov 28, 2002
app pub date -
May 22, 2002
filing date -
May 22, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A yarn splicing device for producing a knot-free yarn connection, particularly with elastic yarns, comprises a splicing body (25) formed with a splicing channel (26) to receive the yarns to be spliced and having at least one compressed air inlet opening (29) for pneumatic splicing of their constituent fibers. Yarn clamping devices (43, 44) and cutting devices (41, 42) are provided adjacent the splicing channel. Preparatory nozzles (53, 54) act to prepare the yarn ends for splicing and pneumatically hold the yarn ends to be spliced. Restraining devices (49; 50) are arranged along the splicing extent of the yarn between the clamping devices (43; 44) and the preparatory nozzles (53; 54) to pneumatically resist contraction of the yarn ends up to the preparatory nozzle (53; 54). The number of unsuccessful yarn splicing attempts with elastic yarns thereby can be reduced.
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