Patent · US Expired

Rotary press

US7654814B2 · kind B2 · utility

0Cited by

9References

14Claims

0Family size

Assignee

FETTE GMBH · DE

Inventors

Jürgen Schikowski · Schwarzenbek, DE
Ingo Schmidt · Schwarzenbek, DE
Thorsten Ehrich · Witzhave, DE
Helmut Bommrowitz · Mölln, DE

Key dates

Filing date	Oct 19, 2005
Grant date	Feb 2, 2010
Priority date	—
Expiry date	Apr 20, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB30B15/0082
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Rotary press comprising a rotor rotatably driven about a vertical axis, said rotor exhibiting a die plate and upper and lower punches which are vertically guided in guides of the rotor working together with die holes in a die plate, at least one press station which exhibits an upper and a lower pressure passed by the punches and through which the punches are moved towards the die hole in order to compress the material in the die hole, characterized in that the rotor is provided with means which act upon compacts or parts thereof which adhere to the pressing surface or which means eliminate or prevent an adherence of a compact or parts thereof to the pressing surface of the upper punch, respectively, during the return stroke.

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