Patent · US Expired

Method and means of tufting

US3937157A · kind A · utility

31Cited by
6References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1974
Grant dateFeb 10, 1976
Priority date
Expiry dateMay 29, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/6472
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A tufting machine having: means for metering predetermined lengths of yarn, including a rotatable yarn feed with substantially accurate improved drive and braking means; pneumatic yarn transport means, including selective control of gas flow, for transporting selected metered lengths of yarn to a tufting station for severance into yarn bits and implantations into a backing; and retraction means for retracting, with minimum yarn deformation, yarn not selected for severance and implantation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.