Patent · US Expired

Dual flexible lip extrusion apparatus

US5962041A · kind A · utility

6Cited by
28References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 3, 1997
Grant dateOct 5, 1999
Priority date
Expiry dateJul 3, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2948/92904
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An extrusion apparatus includes first and second die body portions each having a main body and a lip interconnected with the main body wherein the die body portions are joined such that a single die outlet is formed between and bounded by the lips. The apparatus also includes suitable structure for moving the lips to adjust the die outlet.

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