Process and apparatus for making alternate s/z twist plied braid or joined alternate s/z twist plied yarns

a technology of joining yarn and twist plied yarn, which is applied in the direction of spinning machines, drafting machines, textiles and papermaking, etc., can solve the problems of large changes in light reflectance characteristics, undesirable “stringy” appearance of carpet surface, and highly noticeable streaky appearance of carpet, so as to reduce the friction of alternate s/z twist plied yarn
US20130205741A1Inactive Publication Date: 2013-08-15GILBOS NV
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
GILBOS NV
Publication Date
2013-08-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides an improved method and device for producing an alternate S / Z twist plied braid and joined alternate S / Z twist plied yarns. The invention further provides an alternate S / Z twist plied braid and joined alternate S / Z twist plied yarns produced according to a process of the invention.
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Description

TECHNICAL FIELD

[0001] This invention relates to an improved method and apparatus for producing an alternate twist plied braid and joined alternate twist plied yarns. The invention further relates to alternate S / Z twist plied braid and joined alternate S / Z twist plied yarns obtained with the method.BACKGROUND

[0002] The concept of producing alternate twist plied yarns using the alternate twist, self-twist phenomenon is now rather well known in the art. Documents in which the general principles of alternate twisting and self-twisting are described include the following: “Self-Twist Yarn”, D. E. Henshaw, Merrow Publishing C° , Ltd., Watford, Herts, England, 1971; RE 27,717 Breen et al; U.S. Pat. No. 3,225,533 Henshaw; U.S. Pat. No. 3,306,023 Henshaw et al.; U.S. Pat. No. 3,353,344 Clendening, Jr.; U.S. Pat. No. 3,434,275 Backer et al.; U.S. Pat. No. 3,443,370 Walls; U.S. Pat. No. 3,507,108 Yoshimura et al.; U.S. Pat. No. 3,717,988 Walls; U.S. Pat. No. 3,775,955 Shahand and U.S. Pat. No. 3...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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