Patent · US Expired

Elastic fiber

US6270896A · kind A · utility

0Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1998
Grant dateAug 7, 2001
Priority date
Expiry dateNov 30, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31826
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An elastic fiber of a mixture containing a copolyether ester or a copolyester ester and a chemically crosslinked rubber, which fiber has a permanent elongation after 100% stretching of at most 9% and an elongation at break of at least 450% and a process for producing an elastic fiber comprising the melt spinning of a mixture of a copolyether ester or a copolyester ester and a rubber to form a fiber, in which the rubber is completely or almost completely crosslinked at the moment the fiber is formed, and are disclosed.

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