Patent · US Expired

Production of steel cord

US4785617A · kind A · utility

6Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 1987
Grant dateNov 22, 1988
Priority date
Expiry dateApr 20, 2007

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD07B2207/207
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A process and machine for making a cord in a structure of one or more layers of filaments, all twisted with a same twist pitch p around a core in which the filaments are not twisted around each other with that same twist pitch p. The cord is made in one continous process in which the core filaments are bundled in a twister, then the layer filaments are joined in parallel to the core bundle on exit from the twister, and the whole is then twisted in a double-twist bunching machine.

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