Unwinder for as-spun elastomeric fiber

US6676054B2 · kind B2 · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Daniel Heaney · Neenah, US
• Jon Graverson · Neenah, US
• Dennis Hicks · Los Angeles, US
• Kenneth E. Martin · Newark, US

Key dates

• Filing date: Mar 19, 2002
• Grant date: Jan 13, 2004
• Expiry date: Apr 2, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2701/319
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An over-end takeoff device (OETO) and a method for unwinding elastomeric fiber from a package are provided. The OETO includes a fiber guide spaced apart from the fiber package and disposed at an acute angle between 0° and 30° to the rotational axis of the package.