DEVICE FOR THE PRODUCTION OF ASSORTED OR PATTERNED YARN WITH THE ADDITION OF DIFFERENT COLOURED FIBRES OR OF DIFFERENT NATURE.

Title:

DEVICE FOR THE PRODUCTION OF ASSORTED OR PATTERNED YARN WITH THE ADDITION OF DIFFERENT COLOURED FIBRES OR OF DIFFERENT NATURE.

Document Type and Number:

WIPO Patent Application WO/2011/018685

Kind Code:

A3

Abstract:

Device to be applied to a ring spinning machine for the production of patterned yarns wherein the fibres coming from a rove which constitutes the base rove (S) are ' covered by a rove (T) made of fibres of different nature and/or colour; In each position of the spinning machine the two roves (S and T) advance parallel and separate on the same plane detected by the middle cylinder (M) and on output cylinder (F) with related pressure roller (M' and F' ) and by supporting belts dragged by said middle pressure roller (M' ); the middle pressure roller (M') and the related supporting belt (R') are divided into two parts, one part of the roller and the related belt (HB) acting on the base roves (S), while the other part of the roller and the related belt (HC) act on the roves (T) of different nature and/or colour; the two parts of the pressure roller (M') and of the related belts (HB, HC) being on the same axis, but being provided with means which independently rotate them, so that the two roves can have different drawings.

Inventors:

BOBBOLA PAOLO (IT)
COSTA ANDREA (IT)

Application Number:

PCT/IB2010/001880

Publication Date:

May 19, 2011

Filing Date:

July 27, 2010

Export Citation:

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Assignee:

CAIPO AUTOMAZIONE IND S R L (IT)
BOBBOLA PAOLO (IT)
COSTA ANDREA (IT)

International Classes:

D01H5/26; D01H5/36; D02G3/28

Foreign References:

GB1316116A	1973-05-09
GB2147621A	1985-05-15
GB2104113A	1983-03-02
GB1152364A	1969-05-14
US4450675A	1984-05-29

Other References: