Process and device for displacing firing plates through a tunnel

Details Process and device for displacing firing plates through a tunnel Process and device for displacing firing plates through a tunnel

1978-11-16

1981-01-06

Camby, John J.

Heating

Processes of heating or heater operation

Treating an article, container, batch or body as a unit

432239, 432241, 432246, F27D 311

Patent

active

042433789

ABSTRACT:
Process and device for ensuring the displacement, in a tunnel kiln in particular for high-temperature firing of ceramic products, of firing plates traversing the kiln of the type wherein the whole row of plates are pushed at one end of the kiln and roll on balls supported in rolling paths. Parallel grooves are formed on the lower face of the plates to receive the balls and more hollow portions and more protruded portions are provided on the lower face of the places in the said grooves so that when a ball passes under a said protrusion it locally supports a plate and simultaneously relieves of the load the balls of the same rolling path in proximity to the said protrusion what gives a better rolling of the plates and reduces the flow of the balls through the kiln.

REFERENCES:
patent: 1234786 (1917-07-01), Morris
patent: 1342041 (1920-06-01), Drinker
patent: 1641186 (1927-09-01), Meehan
patent: 3127154 (1964-03-01), Hirschberg et al.

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