Patent · US Expired

Apparatus and process for producing different hole patterns in sheet-shaped print materials

US7182010B2 · kind B2 · utility

5Cited by

50References

11Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Kurt Blank · Großenhain, DE
Markus Jenkel · Gernsheim, DE
Eduard Muller · Ettenhausen, CH
Jurgen Ries · Esslingen am Neckar, DE

Key dates

Filing date	Jul 29, 2002
Grant date	Feb 27, 2007
Priority date	—
Expiry date	Oct 19, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T83/9471
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a device for producing different hole patterns in sheet-shaped print materials. An apparatus and process for producing different hole patterns in a sheet-shaped print material is provided wherein a punch in a tool roller is raised and lowered relative to an outer surface of the tool roller in order to effectuate and ineffectuate, respectively, punching by the punch. According to a preferred embodiment, a die roller is provided having a die corresponding with the punch, and sheets are fed through the tool roller and the die roller. In one embodiment punches and dies are provided, and the punches are selectively raised and lowered in order to achieve a desired hole pattern in the sheet.

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