Substrate coating methods and apparatus

Details Substrate coating methods and apparatus Substrate coating methods and apparatus

1993-11-01

1995-01-31

Beck, Shrive

Coating processes

Immersion or partial immersion

118404, 118405, 118407, 118423, 118DIG11, B05D 118

Patent

active

053857593

ABSTRACT:
There are disclosed apparatus and substrate coating methods comprising: (a) positioning a first coupler comprised of a tapered end portion in an opening of a reservoir apparatus to define a reservoir for a coating solution between the surfaces of the first coupler and the reservoir apparatus, wherein the tapered end portion of the first coupler extends below the opening; (b) engaging the bottom end of a vertically disposed, hollow substrate with a first end portion of a second coupler comprised of the first end portion and an opposed, tapered second end portion; (c) moving the top end of the substrate over a part of the tapered end portion of the first coupler to engage the substrate with the first coupler, and moving the first coupler and the substrate through the opening, whereby the coating solution is deposited on the outer surface of the substrate; (d) positioning the second coupler in the opening to define the reservoir, wherein the tapered second end portion of the second coupler extends below the opening; and (e) adding the coating solution to the reservoir at any suitable time.

REFERENCES:
patent: 2783734 (1957-03-01), Fisch et al.
patent: 3209723 (1965-10-01), Schrodersecker
patent: 3689311 (1972-09-01), Loeffler et al.
patent: 5105936 (1992-04-01), Stapper et al.
patent: 5186477 (1993-02-01), Nakazawa et al.

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