Patent · US Active

Punch for a rotary press

US8490529B2 · kind B2 · utility

3Cited by

5References

13Claims

0Family size

Assignee

FETTE GMBH · DE

Inventors

Friedrich Meissner · Schwarzenbek, DE
Daniel Malick · Bad Segeberg, DE

Key dates

Filing date	Oct 23, 2009
Grant date	Jul 23, 2013
Priority date	—
Expiry date	Jun 20, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T83/9476
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A compression punch for a rotary press, with a punch shaft that has a punch head at its one end and means for accommodating a separate punch insert at the other end, and with fastening means for detachably fastening the punch insert on the punch shaft, wherein the punch head and the punch shaft have an axial through bore, the axial through bore accommodates a drawbar that has a tensioning head at the end turned away from the punch head, said tensioning head having at least one connection portion, the punch insert has a recess at the end facing the punch shaft which is realized to be detachably connectable with the connection portion, and that tensioning means are arranged in the axial through bore, by which the drawbar can be tensioned in the direction of the punch head.

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