Process of electro-eroding channels in multiple buccal tube devi

Details Process of electro-eroding channels in multiple buccal tube devi Process of electro-eroding channels in multiple buccal tube devi

1977-04-07

1980-01-22

Mack, John H.

Dentistry

Orthodontics

Bracket

2041296, 204224M, 20412955, B23P 100, B23P 104, A61C 700

Patent

active

041842545

ABSTRACT:
A buccal tube device has a body attached to a tooth band. The body contains at least one channel with a non-circular cross-section. The channel is formed in the body by an electroerosion process. In a preferred form, the channel cross-section is four cornered and is inclined. The invention also includes a process for forming such buccal tubes by providing an electroerosion electrode with a non-circular cross-section and using it to form a channel of corresponding cross-section. The electroerosion process may include flushing the channel thus formed during the electroerosion.

REFERENCES:
patent: 2902584 (1959-09-01), Ullmann
patent: 3218714 (1965-11-01), Wallshein
patent: 3281343 (1966-10-01), O'Connor
patent: 3816272 (1974-06-01), Joslin
patent: 3916526 (1975-11-01), Schudy
patent: 4104503 (1978-08-01), Di Piazza et al.

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