Industrial oven with fabric duct

An industrial oven comprising:

• an oven chamber configured to receive a plurality of work pieces;
• a conveyor system including a conveyor rail extending through the oven chamber, wherein a conveyance plane is defined to extend vertically below the conveyor rail between an inlet and an outlet of the oven chamber;
• a heater box having a heating element therein operable to heat air for delivery to the oven chamber;
• and
• a circulation system operable to force hot air from the heater box into the oven chamber, the circulation system including a delivery manifold extending from the heater box to the oven chamber, a first duct having a first inlet coupled with a first outlet of the delivery manifold, and a second duct having a second inlet coupled with a second outlet of the delivery manifold, each of the first duct and the second duct having a plurality of hot air outlet apertures therein for expelling hot air into the oven chamber,
• wherein each of the first duct and the second duct is constructed of fabric sheet including glass fibers and coated with PTFE and is suspended within the oven chamber,
• wherein the first and second ducts extend in opposite directions from the delivery manifold to respective closed ends adjacent the inlet and the outlet of the oven chamber, and
• wherein both the first and second ducts extend alongside the conveyor rail and overlap the conveyor rail in side view, the plurality of hot air outlet apertures of each of the first and second ducts being directed laterally toward the conveyance plane.