System for collecting airborne powder, mists, and fumes

Details System for collecting airborne powder, mists, and fumes System for collecting airborne powder, mists, and fumes

1993-01-11

1993-11-30

Fisher, J. Reed

Printing

Antismut device

Anti-offset material application

B41F 3500, B41F 2306, B05B 1504, B41L 2322

Patent

active

052655369

ABSTRACT:
A system amd method of operation for collecting and treating entrained particulate powder arising from the delivery end housing of a printing press for coating the top surfaces of sheets, comprising a hood assembly including: an open bottom hood connecting with the top of the delivery end housing and having a top opening, an internal baffle mounted therein to form a peripheral space between the baffle sides and hood side walls and baffle edges and hood end walls, a duct having its lower end connecting with the top opening of the hood and its upper end connecting with a blower/filter assembly which draws air upwardly from the press delivery end housing through the hood peripheral space, duct and blower/filter assembly for removal of the entrained particulate powder and discharge of the treated air into the pressroom.

REFERENCES:
patent: 2710574 (1955-06-01), Runion
patent: 3680528 (1972-08-01), Sanders
patent: 3861351 (1975-01-01), Bonwit
patent: 3882818 (1975-05-01), Mowbray
patent: 4563943 (1986-01-01), Bertelsen
patent: 4875054 (1989-10-01), Archer et al.
patent: 4882992 (1989-11-01), Schmoeger

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