Patent · US Expired

Die head for converting a co-extruder apparatus

US4687429A · kind A · utility

2Cited by
22References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 14, 1986
Grant dateAug 18, 1987
Priority date
Expiry dateApr 14, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA21C11/163
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A simple extrusion die is provided for converting a co-extrusion apparatus to a single-material extruder. The extruder has a pair of side-by-side outlets in a coupling member, an eccentric mounting plate of the die attaches to the coupling member, blocking one of the extruder outlets.

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