Patent · US Expired

Two-for-one twisting process

US3992867A · kind A · utility

1Cited by

6References

5Claims

0Family size

Assignee

Barmag Barmer Maschinenfabrik Aktiengesellschaft · DE

Inventors

Wolfgang Hartig · Remscheid, DE
Dietrich Berges · Marienheide, DE

Key dates

Filing date	Feb 11, 1975
Grant date	Nov 23, 1976
Priority date	—
Expiry date	Feb 11, 1995

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD02G3/285
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A two-for-one twisting process for twisting two or more individual strands being taken off from separate feed spools or packages arranged in sequence along a common twisting axis at spaced intervals, the strands being doubled or plied together along the twisting axis in a forward take-off direction, wherein the completely plied strands passing the final feed package are deflected and returned backwardly in a rotating balloon pattern by means of at least one rotating twisting disc such that a single balloon envelops each feed package with the plied strands crossing and finally meeting the twisting axis behind each package. The process is useful for plying and twisting all types of filamentary or stranded materials.

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