System and method for forming tufted patterns

Details System and method for forming tufted patterns System and method for forming tufted patterns

2006-09-12

2009-12-15

Welch, Gary L (Department: 3765)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S138000, C112S080010, C112S470010, C112S475230

Reexamination Certificate

active

07634326

ABSTRACT:
A tufting machine and a method of controlling the tufting machine to form a tufted article having varying pattern effects, such as forming cut and loop pile tufts of yarn in a graphics type pattern, defining a yarn feed effect pattern and a shifting needle bar effect pattern, and combining the two patterns. The yarn feed of the tufting machine is controlled to compensate for pattern shifts while a hook assembly having a series of hooks/loopers and a series of clips independently moveable between extended and retraced positions is selectively controlled to cause a transition from cut pile tufts to loop pile tufts and loop pile tufts to cut pile tufts according to the programmed pattern information.

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