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Apparatus and method for selective multi-color dyeing of individual yarns and producing therefrom a predetermined complex design in a tufted carpet

  • US 4,015,550 A
  • Filed: 08/12/1975
  • Issued: 04/05/1977
  • Est. Priority Date: 08/12/1975
  • Status: Expired due to Term
First Claim
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1. Apparatus for dyeing yarn ends individually at predetermined positions along their lengths and manufacturing tufted carpets therefrom to produce a predetermined multi-colored complex pattern therein, the dyeing apparatus comprisinga series of troughs containing different dye baths,a draw roll around which a sheet of yarn ends from a supply is trained and fed to said dye baths,a rotating pick-up roller supported above each trough and partially immersed in its dye bath,a plurality of banks of movable yarn guides for individual yarn ends, said banks extending laterally in planes parallel to the axes of said pick-up rollers and supported above said pick-up rollers, there being at least one bank of yarn guides for each pick-up roller,pattern control means to move each yarn guide individually to cause yarn carried by it to engage a pick-up roller while a predetermined length of yarn passes,a drying chamber through which the sheet of yarns passes subsequent to the last dye bath,a tufting machine having needles in which the individual yarn ends are threaded, and by which the yarn ends are needled through a backing sheet to reproduce the desired pattern,said tufting machine having at least one pair of cooperating feed rolls,and means to drive said tufting machine feed rolls and said draw roll in synchronism.

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