Textiles: knitting – Fabric manipulation – Take-ups
Reexamination Certificate
2000-10-03
2001-12-04
Worrell, Danny (Department: 3741)
Textiles: knitting
Fabric manipulation
Take-ups
C066S151000
Reexamination Certificate
active
06324873
ABSTRACT:
FIELD OF THE INVENTION
The present invention pertains to circular knitting machines and it pertains in particular to a device for guiding the article during the manufacturing phase on such machines.
BACKGROUND OF THE INVENTION
During their manufacture on circular knitting machines, the knitted articles rotate with the needle cylinder of the machine and they can be forced, being drawn from the bottom, to drop into a guide tube that is coaxial to the cylinder. When provided, this tube is fixed, and the article will be held back in its rotation against the surface of the tube proper. Therefore, the articles are subject to twisting and the formation offolds. Often then, the folds that are formed during the manufacture of the knitted article also remain afterwards, detracting from the results of the subsequent treatments to which the article will be subjected.
SUMMARY AND OBJECTS OF THE INVENTION
The object of the present invention is to remedy such a drawback by means of setting up the circular knitting machine so as to make possible a reliable guiding of the article being manufactured without the article having to undergo undue twisting, thus also preventing an undesired formation of folds. The object and the implicit advantages deriving therefrom are accomplished according to the present invention with a guide tube arranged coaxially to the cylinder and rotating together with same.
Therefore, with the progression of its manufacture, the article, which rotates with the needle cylinder, descends into, and rotates in agreement with same, the guide tube which is forced to rotate together with the cylinder.
Thus, there is relatively no rotating movement between article and guide tube, preventing in this manner twisting and/or formations of folds in the article.
The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming a part of this disclosure. For a better understanding of the invention, its operating advantages and specific objects attained by its uses, reference is made to the accompanying drawings and descriptive matter in which a preferred embodiment of the invention is illustrated.
REFERENCES:
patent: 3550403 (1970-12-01), Shields
patent: 3564875 (1971-02-01), Foreman
patent: 3823582 (1974-07-01), Butler
patent: 4242891 (1981-01-01), Gradi
patent: 5235825 (1993-08-01), Turini
patent: 5284033 (1994-02-01), Lonati et al.
patent: 5560225 (1996-10-01), Salucci
patent: 6089050 (2000-07-01), Piceni et al.
McGlew and Tuttle , P.C.
Sangiacomo S.p.A.
Worrell Danny
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