Pirns for End-Delivery Shuttles

September 20, 2019

Pirns are the bobbins for End-delivery shuttles. The weft yarn unwinds off the pirn’s tip when the shuttle is in motion and stops unwinding when the shuttle stops. The yarn comes off the pirn and goes through a set of tension pads and comes out of the shuttle at a constant tension. This even delivery of weft causes less draw-in, which in turn makes better selvedges.


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