Pusher cylinder for tunnel kiln

Details Pusher cylinder for tunnel kiln Pusher cylinder for tunnel kiln

1990-11-13

1994-09-13

Denion, Thomas E.

Expansible chamber devices

Piston

92187, 432243, F16J 100

Patent

active

053458591

ABSTRACT:
A pusher cylinder for a tunnel kiln is used for moving kiln cars loaded with products such as molded ceramic green products to be sintered in the tunnel kiln. A piston rod of the pusher cylinder is made to have a length more than twice a stroke of the pusher cylinder. With such an arrangement, even if foreign substances such as tar are attached to the piston rod extended into the tunnel kiln, the substances do not enter the pusher cylinder in the fully retracted position of the piston rod. As a result, there is no longer any risk of the pusher cylinder itself and a packing for a piston of the cylinder being damaged by such foreign substances. Therefore, the life span of the pusher cylinder and packing until they need to be replaced is remarkably prolonged.

REFERENCES:
patent: 97231 (1869-11-01), Root
patent: 549962 (1895-11-01), Hemphill
patent: 589597 (1897-09-01), Freeman
patent: 1491797 (1924-04-01), Harrison
patent: 2818314 (1957-12-01), Nicholas
patent: 3173344 (1965-03-01), Mongitore
patent: 3589756 (1971-06-01), Pruvot
patent: 3601419 (1971-08-01), Fern
patent: 3633885 (1972-01-01), Beck
patent: 3713631 (1973-01-01), Enk et al.
patent: 4256454 (1981-03-01), Wiersma
patent: 4401038 (1983-08-01), Segrest
Bimba Manufacturing sales brochure Dec. 1986 1 sheet.

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