Patent · US Expired

Small volume outlet apparatus with a sieve changing device for multiple shaft screw machines

US4318677A · kind A · utility

12Cited by

8References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Martin Ullrich · Leverkusen, DE
Heinz Gemperlein · Dormagen, DE

Key dates

Filing date	Aug 21, 1979
Grant date	Mar 9, 1982
Priority date	—
Expiry date	Aug 21, 1999

Classification

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

Abstract

The invention relates to a small volume outlet apparatus for multiple shaft screw machines for highly viscous materials at the discharge end of a multiple shaft screw having a sieve changing device arranged in it.

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