Coating processes – Particles – flakes – or granules coated or encapsulated
Patent
1993-04-14
1994-08-16
Beck, Shrive
Coating processes
Particles, flakes, or granules coated or encapsulated
427242, 427346, 427378, 118 57, 118416, 118417, 118 56, 118610, B05D 510, B05D 706
Patent
active
053385691
ABSTRACT:
A method is disclosed for coating dowels with a substantially uniform coat of water soluble glue. A plurality of dowels and a preselected amount of liquid, water soluble glue are placed in a closed container. The container is rapidly shaken so that the container moves in a combination oscillating motion comprising an up and down movement and a back and forth movement that is substantially perpendicular to the up and down movement. Dowels coated with the liquid, water soluble glue are removed from the container and deposited on a drying surface. The dowels are dried by applying heat and a stream of air to the dowels. When the exposed surface of the coat of water soluble glue on the dowels has become essentially tack free but before the coat has dried completely, the dowels are rotated about their longitudinal axes so as to separate any dowels that are stuck together and to free any dowels stuck to the drying surface. The drying is then continued until the dowels can be accumulated in a mass without sticking to each other.
REFERENCES:
patent: 3066045 (1962-11-01), Lewis
patent: 3091435 (1963-05-01), Pease
patent: 3573966 (1971-04-01), Hostetler
patent: 3927467 (1975-12-01), Schoeman
patent: 4311111 (1982-01-01), Inaba
patent: 4431757 (1984-02-01), Okitsu et al.
patent: 5190997 (1993-03-01), Lindermann et al.
Beck Shrive
Crellin Terry M.
Talbot Brian K.
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