Roller conveyor for a glass furnace

Patent · Tue Aug 26 00:00:00 EDT 1986

OSTI ID:5259636

Ford, J; Canfield, D M

A furnace is described for heat treatment of glass including annealing, heat strengthening, tempering and bending of glass which comprises: a housing defining an elongated furnace chamber having an inlet and an outlet; a roller conveyor between the inlet and the outlet and including respective rows of stub rollers disposed along each longitudinal side of the housing flanking a path between the inlet and the outlet, a lower row of deflecting rollers below one of the rows of stub rollers with the rollers of the lower row being positioned between the stub rollers of the one row, a drive belt being looped over each stub roller of the one row and under each roller of the lower row therebetween, the stub rollers each being provided with at least one band of a heat resistant elastomeric material coating at least a portion of the surface thereof; fused silica support rollers spanning the conveyor with each support roller exclusively upon the respective bands of two stub rollers on each side of the housing, the bands being positioned relative to the belt so as to hold the fused silica support rollers out of engagement with the respective belt; means for driving the belt to oscillate glass objects carried by the support rollers back and forth in the housing; and an array of infrared heaters mounted in the housing at least above the conveyor.

• Assignee: Casso Solar Corp., Pomona, NY
• Patent Number(s): US 4607073
• OSTI ID: 5259636
• Resource Relation: Patent File Date: Filed date 3 Jul 1985
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
36 MATERIALS SCIENCE
FURNACES
BELT CONVEYORS
GLASS
ANNEALING
TEMPERING
BENDING
COATINGS
COMBUSTION CHAMBERS
ELASTOMERS
HEATERS
INFRARED RADIATION
POSITIONING
SILICA
THERMAL CONDUCTIVITY
CHALCOGENIDES
CONVEYORS
ELECTROMAGNETIC RADIATION
EQUIPMENT
HAULAGE EQUIPMENT
HEAT TREATMENTS
MATERIALS HANDLING EQUIPMENT
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYMERS
RADIATIONS
SILICON COMPOUNDS
SILICON OXIDES
THERMODYNAMIC PROPERTIES
421000* - Engineering- Combustion Systems
360603 - Materials- Properties