Method for making enamel beads and resulting product

Coating processes – Solid particles or fibers applied – Uniting particles to form continuous coating with...

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59 2, 427204, 427310, 427330, 4273744, 4273764, 428 36, B05D 302, B05D 308

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043729932

ABSTRACT:
A method of making an enamel bead and resulting bead which includes the provision of a short length of copper tubing forming a bead core member wherein the copper tubing is heated to a red hot state and rolled in copper enamel flux one or more times to coat the tubing following which the flux coated tubing is again heated to a red hot state and rolled in particulate enamel material to coat the tubing externally with enamel material, then heating the enamel material coating until it melts and is distributed throughout the tubing outer surface in the desired bead configuration and finally cooling the enamel coating to form a highly durable bead having a copper tubing core with an outer layer of enamel of a selected color.

REFERENCES:
patent: 3508 (1883-07-01), Abel
patent: 1531613 (1925-03-01), Hommel
patent: 3027607 (1962-04-01), Badger et al.
patent: 3044893 (1962-07-01), Heintz et al.
patent: 4209556 (1980-06-01), Brandeberry et al.

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