Printing press folder with air knife

Details Printing press folder with air knife Printing press folder with air knife

2006-10-17

2006-10-17

Hirshfeld, Andrew H. (Department: 2854)

Printing

Rolling contact machines

Rotary

C271S276000, C271S314000, C271S315000

Reexamination Certificate

active

07121201

ABSTRACT:
The folder of a printing press includes an air knife assembly to reduce damage to signatures as they travel through the folder and to guide signatures through the folder.

REFERENCES:
patent: 4373713 (1983-02-01), Loebach
patent: 4451028 (1984-05-01), Holmes et al.
patent: 5836084 (1998-11-01), Jackson et al.
patent: 6116595 (2000-09-01), d'Agrella et al.
patent: 6394445 (2002-05-01), d'Agrella
patent: 670441 (1989-06-01), None
patent: 11183181 (1999-06-01), None
EXAIR Corporation, Standard Air Knife, pp. 10, 12, Available at least as early as Jan. 2001.
EXAIR Corporation, Super Air Knife , pp. 3-9, United States, Available at least as early as Jan. 2001.
EXAIR Corporation, Standard Air Knife Installation & Maintenance, Jan. 2001, United States.
Air Blast, Inc., Air Knives, http://www.thomasregister.com, Jan. 2001, Thomas Publishing Company, United States.
Sonic Air Systems, Inc., Blowers and Air Knife Drying Systems, http://www.sonicairsystems.com, Jan. 2000, United States.

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