Coating apparatus – Projection or spray type – Applying solid particulate material
Patent
1994-09-20
1996-05-28
Engel, James
Coating apparatus
Projection or spray type
Applying solid particulate material
118620, 118624, 239 3, 239105, 239690, B05B 500
Patent
active
055207359
ABSTRACT:
An apparatus is operable to sequentially spray powder onto each workpiece of a plurality of workpieces. The powder flows from an improved nozzle assembly as a series of pulses. Accumulation of powder on surfaces in the nozzle assembly is retarded by conducting a flow of fluid (air) from a source of fluid pressure through openings in the surfaces in the nozzle assembly. Thus, a plurality of openings are formed in a side wall of the nozzle assembly to enable fluid to flow through the openings in the side wall into the flow path of air and powder through the nozzle assembly to retard accumulation of powder on an inner side surface of the side wall. An inner deflector has an end surface which faces toward the workpiece and on which powder tends to accumulate. A flow of fluid is conducted through openings in the end surface of the inner deflector to retard the accumulation of powder on the end surface of the inner deflector.
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Nordson Technical Publication 32-7-1.
H. L. Fisher Manufacturing Company, Inc. Training and Serivce Manual for Model No. 107 Can End Post-Repair Spray Maching.
Engel James
Nordson Corporation
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