Ceramic transport shaft with metal end cap, particularly for gla

Details Ceramic transport shaft with metal end cap, particularly for gla Ceramic transport shaft with metal end cap, particularly for gla

1990-07-17

1991-09-17

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29123, 29129, 29130, B21B 3108

Patent

active

050481681

ABSTRACT:
A ceramic transport shaft for a furnace includes a ceramic shaft member and a metal end cap into which an end of the shaft member is fitted with an annular gap between the shaft member and the end cap. A sleeve fills the gap. The shaft member, the end cap and the sleeve have such linear thermal coefficients of expansion, and the wall of the sleeve has such a radial thickness, that a change in the radial size of the gap due to thermal expansion of the shaft member and the end cap is at least equalled by a change in the radial thickness of the sleeve wall. The sleeve has one or more axial slots to absorb the circumferential expansion thereof during heating.

REFERENCES:
patent: 3867748 (1975-02-01), Miller
patent: 4230475 (1980-10-01), Dunk
patent: 4242782 (1981-01-01), Hanneken et al.
patent: 4399598 (1983-08-01), Page et al.
patent: 4404011 (1983-09-01), McMaster
patent: 4751776 (1988-06-01), Reunamaki
patent: 4793459 (1988-12-01), Forknall et al.
patent: 4924688 (1990-05-01), Cutmore

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