Patent · US Expired

Extrusion cylinder assembly

US4397628A · kind A · utility

5Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1982
Grant dateAug 9, 1983
Priority date—
Expiry dateFeb 1, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C48/03
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Extrusion apparatus including rotary shell having plural circumferential rows of extrusion orifices and a stationary inner member, defining with said shell, circumferential channels communicating with said orifices.

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