High volume low pressure air entrapment of overspray

Details High volume low pressure air entrapment of overspray High volume low pressure air entrapment of overspray

1996-01-19

1997-11-25

Czaja, Donald E.

Coating apparatus

Projection or spray type

239104, 239296, 239290, 118315, B05B 128

Patent

active

056907400

ABSTRACT:
An apparatus is disclosed which uses a high volume low pressure air curtain in an "air chisel" to inhibit and reduce the bounceback and overspray of material sprayed on a work surface. The air chisel directs a lateral air curtain along each side of a plume of sprayed material parallel to the long axis of the plume and directed toward the contact of plume and work surface. An air chisel may be attached to a spray gun or may be mounted on a stand adjacent to the work surface. Any source of high volume low pressure air may serve to provide air to an air chisel.

REFERENCES:
patent: 1897173 (1933-02-01), Long et al.
patent: 2101922 (1937-12-01), Stoeslling
patent: 2438471 (1948-03-01), Ball
patent: 4850809 (1989-07-01), Smith
patent: 4857367 (1989-08-01), Thorn et al.
patent: 5062572 (1991-11-01), Reiter et al.
patent: 5393345 (1995-02-01), Smith

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