Glass-treating furnace with roller conveyor

Details Glass-treating furnace with roller conveyor Glass-treating furnace with roller conveyor

1989-06-20

1990-09-18

Woodard, Joye L.

Glass manufacturing

Glassworking or preform by or with reheating means

Planar sheet preform

65349, 198789, C03B 3518

Patent

active

049575325

ABSTRACT:
A furnace for the heat treating of glass, has a housing defining an elongated furnace chamber having opposite longitudinal sides and having an inlet end and an outlet end. A roller conveyor extends between the inlet end and the outlet end. The roller conveyor has a respective row of stub rollers spaced apart along each longitudinal side of the chamber, and respective conveyor rollers spanning the rows of stub rollers and cradled thereby. A respective idler pulley is disposed between each two successive stub rollers along one of the longitudinal sides of the chamber, the idler pulleys lying in a further row below the row of stub rollers. An endless drive element overshoots two successive stub rollers of the section in a respective single loop and undershoots each of the pulleys in a respective single loop between each of the two successive stub rollers to reduce the required driving power.

REFERENCES:
patent: 4528016 (1985-07-01), Canfield
patent: 4725300 (1988-02-01), McMaster
patent: 4816055 (1989-03-01), Reunamaki et al.

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