Glass bending lehr with pre-heat hood

Details Glass bending lehr with pre-heat hood Glass bending lehr with pre-heat hood

1976-11-26

1978-02-07

Kellogg, Arthur D.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65 58, 65104, 65288, 65103, C03B 2302

Patent

active

040724921

ABSTRACT:
Energy is conserved and the quality of the bent glass product improved by pre-heating gravity sag bending molds in an open-bottomed hood overlying a bending lehr. The hood traps otherwise wasted heat rising from the bending lehr.

REFERENCES:
patent: 2794300 (1957-06-01), Golightly
patent: 3257187 (1966-06-01), Montgomery et al.
patent: 3314666 (1967-04-01), Gajardo
patent: 3327041 (1967-06-01), Clune et al.
patent: 3367764 (1968-02-01), Seymour
patent: 3620517 (1971-11-01), Keough

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