Apparatus and method for monitoring predetermined seam character

Details Apparatus and method for monitoring predetermined seam character Apparatus and method for monitoring predetermined seam character

1996-03-05

1997-09-30

Nerbun, Peter

Sewing

Elements

Thread sensing

11247502, D05B 1900

Patent

active

056716893

ABSTRACT:
A sewn seam monitoring system for evaluating selected characteristics of seam formed from a plurality of fabric plies is disclosed comprising a vertically displaceable wheel for compressing and monitoring the thickness of a seam being sewn as the seam passes therebeneath and a transducer operatively connected to the wheel to measure vertical movement and generate a signal corresponding to the vertical displacement of the wheel. Computer means is electrically connected to the transducer for analyzing the seam being sewn to detect any defects therein sensed by the wheel when in compressing contact with the seam passing therebeneath.

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patent: 4363281 (1982-12-01), Reinke
patent: 4686917 (1987-08-01), Braun
patent: 4815015 (1989-03-01), Milne
patent: 5417174 (1995-05-01), Allison et al.
patent: 5513590 (1996-05-01), Allison et al.

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