Method of applying a patch to a fastener

Details Method of applying a patch to a fastener Method of applying a patch to a fastener

2007-10-01

2010-10-12

Parker, Frederick J (Department: 1715)

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

C427S197000, C427S287000

Reexamination Certificate

active

07811629

ABSTRACT:
A patch application system is provided comprising a powder application booth. The powder application booth comprises a powder block to temporarily house the powder prior to ejection, a nozzle insert to guide the powder onto the screw, a support stand to adjust the powder block to the appropriate position relative to the screw for a desired patch location and size, a powder cup to deliver the powder to the powder block. A programmable logic controller electronically coupled to the micro air-switch valve controls the duration the air-switch valve remains open. The entire process may be automated by including a screw hopper to temporarily store a plurality of screws, a bowl feeder receiving the screws and delivering the screws to a rotating disk, wherein the rotating disk passes the screws through a heating element and presents the heated screws to the powder application booth.

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