Patent · US Expired

Blower for printing presses for assisting in the guidance of sheets

US5809885A · kind A · utility

5Cited by

5References

6Claims

0Family size

Assignee

Druckmaschinenwerk Planeta · DE

Inventors

Michael Koch · Biberist, CH
Bernd Dietrich · Coswig, DE
Andreas Leuschke · Coswig, DE
Klaus Winkler · Rutesheim, DE

Key dates

Filing date	Sep 9, 1996
Grant date	Sep 22, 1998
Priority date	—
Expiry date	Sep 9, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41F21/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A blower for printing presses for assisting in the guidance of sheets, and being acted on by individual jets of compressed air, the blower comprising an outer air pressure tube having blowing apertures, the outer tube being connected to a source of air pressure, the air pressure tube having outer air pressure tube orifices therein for blowing toward the edges of the sheet, and an inner air pressure tube disposed entirely within the outer air pressure tube, the outer tube being provided with central portion orifices for blowing compressed air therethrough onto the central portion of the sheet, and optionally a plurality of valves for pneumatically acting on said inner of air pressure tube or on both said inner and said outer air pressure tubes.

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