Method and apparatus for heating eyeglass frames

Details Method and apparatus for heating eyeglass frames Method and apparatus for heating eyeglass frames

1976-03-08

1977-10-18

Camby, John J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Methods

81 35, 432 15, 432215, 219365, 165104F, G02C 1300

Patent

active

040543765

ABSTRACT:
A method and apparatus for heating articles, such as eyeglass frames, includes a bed of heat retentive beads supported above a plenum chamber by a mesh or screen. Heated air is delivered to the plenum chamber at low velocity and high volume for flowing upwardly through the bed for heating the same. The air is directed through the phenum chamber by bodies which act as baffles as well as a heat sink.

REFERENCES:
patent: 2544514 (1951-03-01), Tasker
patent: 2710331 (1955-06-01), Stegeman
patent: 2835483 (1958-05-01), Lindsay
patent: 2836696 (1958-05-01), Ratchford
patent: 3118773 (1964-01-01), Bennett et al.
patent: 3242973 (1966-03-01), Neale et al.
patent: 3329801 (1967-07-01), Shannon et al.
patent: 3564202 (1971-02-01), Oppenheim
patent: 3804581 (1974-04-01), Schmalfeld et al.
patent: 3816705 (1974-06-01), Ebert
Glass & Ceramics (U.S.A.), vol. 28, No. 1-2, Jan.-Feb. 1971 Furnace for Heating Feeder Shears by Makhorin et al. pp. 88-90.

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