Sewing – Special machines – Embroidering
Patent
1995-09-29
1998-04-14
Nerbun, Peter
Sewing
Special machines
Embroidering
11247523, 26 8R, D05C 1524
Patent
active
057380279
ABSTRACT:
A tufting process is provided whereby one pile length is cut from a pile material which is to be joined to a backing material by means of a cutting edge after the formation of each loop. Provision is also made for the cutting process to be effected by means of the vibrational cutting movement of a cutting edge, in particular with the aim of improving the cut and reducing wear. In order to implement such a process, a tufting device is provided which incorporates a row of side by side loopers. The loopers move to-and-fro for the purpose of looping the pile material. Each looper includes a base installed in a looper block. A shaft extends from the block and has a nose for collecting the yarn on its front end. The shaft further incorporates a cutting edge configured so as to perform the cutting process. Each looper is adapted to be coupled with a vibrating drive which superimposes a vibrational motion on top of the to-and-fro motion.
REFERENCES:
patent: 2090021 (1937-08-01), Baynton et al.
patent: 4541349 (1985-09-01), Inoue
patent: 4557209 (1985-12-01), Watkins
patent: 4864904 (1989-09-01), Mishiro
patent: 5345885 (1994-09-01), Yoshino
Jos. Zimmermann GmbH & Co. KG
Nerbun Peter
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