Patent · US Active

Extrusion device and method of use

US10220561B2 · kind B2 · utility

1Cited by
16References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 2015
Grant dateMar 5, 2019
Priority date
Expiry dateFeb 28, 2037

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C48/495
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The invention provides an extrusion device having an adjustment valve that is rotatable between first and second operative positions. The extrusion device is configured to produce a first layer arrangement when the adjustment valve is in the first operative position and to produce a second layer arrangement when the adjustment valve is in the second operative position. Also provided are methods of using an extrusion device to produce different layer arrangements.

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