Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With housing surrounding or engaging coating means
Patent
1995-06-06
1998-05-26
Chin, Peter
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
With housing surrounding or engaging coating means
118 65, 118602, 118326, B05C 1100
Patent
active
057558825
ABSTRACT:
A closed loop controllable fluid application system is provided, comprising a substantially enclosed housing, having horizontal and vertical surfaces, with an inlet and an outlet slot formed in opposing vertical surfaces allowing passage of a work piece through the housing; and a mist outlet and a sump drain each formed in one of a horizontal and a vertical surface. Fluid circulation lines communicate with the housing and an application fluid source, terminating inside the housing with a connection to one or more controllable spray devices for delivering atomized application fluid to coat passing work pieces. A mist collector evacuates air through the mist outlet and extracts application fluid from the evacuated air. The mist collector and the sump drain are connected to fluid circulation lines for recycling excess liquid and air-borne application fluid. A method of using this fluid application system comprises the steps of pumping application fluid through the circulation lines to the spray head(s); atomizing application fluid; spraying atomized application fluid onto a work piece; and recycling excess application fluid by evacuating housing air, separating application fluid from evacuated air, and draining fluid through the sump drain.
REFERENCES:
patent: 2041001 (1936-05-01), Knowzton
patent: 2086514 (1937-07-01), Saunders et al.
patent: 2400315 (1946-05-01), Paasche
patent: 2763575 (1956-09-01), Bede
patent: 3516388 (1970-06-01), Barnes
patent: 3528358 (1970-09-01), Pickard
patent: 4738219 (1988-04-01), Fujisawa
patent: 5330576 (1994-07-01), Clauditz
Chin Peter
Hamburg M. Michael
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