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US 5,399,815 AGranted
Method for on-line process control of yarn package
AssigneeVal Lesina S.p.A.
InventorVito Ballarati
Life of this patent
Estimating the term…
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.
Claims3
Method for on-line process control of yarn package classification and yarn package sorting into homogeneous classes of predetermined quality standards, the method consisting essentially of:
- a) determination of the value of specific weight of the yarn package;
- and
- b) utilization of the said value to check the yarn package compliance with preset standard values of dyeing affinity of fabric constructed of yarn of the yarn package.
Dependencies are inferred from the claim text.