Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1988-11-30
1991-10-29
Lawrence, Evan
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 33, 427180, 427181, 118309, 118312, 118317, 118326, 118622, 118634, B05D 106, B05B 503
Patent
active
050615106
ABSTRACT:
In a powder coating facility wherein powder entrained with conditioned air sprayed from a feed conduit (11) to a workpiece, such as a can body (51), and excess powder is returned by suction by means of exhausts (29, 25), a conditioning chamber (21) is arranged around the coating zone (15) in order to prevent contamination of the dispensed powder due to influences of the enviroment (U). An air flow (S) is provided, produced from openings (23) of the chamber (21), to conduct the can bodies (51) into and through the chamber (21). The air flow from the openings of the chamber prevents influences of the ambient surroundings of the chamber powder sprayed and retrieved in the powder coating facility.
REFERENCES:
patent: 4015959 (1977-04-01), Grote
patent: 4205621 (1980-06-01), Payne et al.
patent: 4301764 (1981-11-01), Caupion et al.
patent: 4376143 (1983-03-01), Lehmann
patent: 4400187 (1983-08-01), Lane
patent: 4500560 (1985-02-01), Cuttroy
patent: 4687686 (1987-08-01), Stofleth et al.
Nussbaumer Hans
Walser Felix
Lawrence Evan
Prazisions-Werkzeuge AG
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