Coating entire surface of three-dimensional article with heat fu

Details Coating entire surface of three-dimensional article with heat fu Coating entire surface of three-dimensional article with heat fu

1974-11-14

1976-11-02

Smith, Ronald H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118308, 118309, 118416, 118DIG5, 427183, 427184, 427185, 427195, 427233, 427236, 427425, B05D 722, B05D 312, B05D 124

Patent

active

039898598

ABSTRACT:
A preheated workpiece having a surface with substantially arcuate curvature is supported by rotatable supporting means which has limited contact with said surface. Heat fusible plastic material in finely divided solid form is propelled against all parts of the surface of the workpiece, to be melted by its heat and fuse into an overall coating. During such coating, and thereafter until the material solidifies to substantial hardness, the supporting means is rotated, imparting rotation to the workpiece by its rolling contact therewith, and is cooled to maintain its temperature below the melting point of the material.

REFERENCES:
patent: 2362653 (1944-11-01), McGovern
patent: 3106769 (1963-10-01), Goethe et al.
patent: 3247004 (1966-04-01), Dosser
patent: 3261707 (1966-07-01), Korski et al.
patent: 3411933 (1968-11-01), Moore
patent: 3440078 (1969-04-01), Sharetts
patent: 3459578 (1969-08-01), Laulan
patent: 3649326 (1972-03-01), Cole et al.
patent: 3661624 (1972-05-01), Versoy et al.
patent: 3792683 (1974-02-01), Bragg et al.

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