Patents Assigned to Val Lesina S.p.A.
  • Method for on-line process control of yarn package
    Patent number: 5399815
    Abstract: Method for on-line process control of yarns wound upon reels intended for yarn package classification and sorting into homogeneous classes of predetermined quality standards. This method consists in the determination of the specific weight of the yarn bundling on the reel. This value is utilized to check the yarn package compliance with preset standard values of the technological properties, in particular of the dyeing affinity.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: March 21, 1995
    Assignee: Val Lesina S.p.A.
    Inventor: Vito Ballarati
  • Method for preparing warp wound on beams, starting from a series of continuous, partially-drafted thermoplastic yarns
    Patent number: 4669158
    Abstract: A procedure for the drafting and interlacing of a series of continuous, thermoplastic yarns, consisting of filaments which are substantially parallel to one another, in the manufacture of warp wound on beams.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: June 2, 1987
    Assignee: Val Lesina S.p.A.
    Inventors: Vito Ballarati, Franco Tajana
  • Fabrics with a crepe effect constituted by continuous texturized synthetic yarns of high yarn/count/no. of filaments ratio
    Patent number: 4537227
    Abstract: Chain-weft fabrics and knitted fabrics, with a crepe effect, are obtained from continuous texturized synthetic yarns, substantially non-twisted, having a high "yarn count/no. of filaments" ratio, and a high shrinkage under hot conditions, and particularly yarns of 30-160 Dtex comprising filaments of between 5 and 19 Dtex.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: August 27, 1985
    Assignee: Val Lesina S.p.A.
    Inventors: Vito Ballarati, Franco Tajana