Textiles: cloth finishing – Cutting – Pile loops
Patent
1990-12-28
1992-01-14
Schroeder, Werner H.
Textiles: cloth finishing
Cutting
Pile loops
112 8055, D06C 1308, D05C 1524
Patent
active
050798103
ABSTRACT:
A process and apparatus for cutting tufted loops of yarn of a fabric, such as a carpet, by applying sufficient energy from an ultrasonically vibrating horn, operating with either a shearing or a pincer action in cooperation with a mechanical device, either or both having a cutting edge, to cause at least some of the filaments in said yarns to soften and fuse to adjacent filaments during cutting of said tufted loops.
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Staunton Harold F.
Vinod Yashavant V.
E. I. Du Pont de Nemours and Company
Lewis Paul C.
Schroeder Werner H.
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