Single location insulator locking device

Details Single location insulator locking device Single location insulator locking device

1981-04-13

1982-12-07

Camby, John J.

Heating

Heating apparatus element having protective cooling structure

Work skid or rail structure

138149, F27D 302, D03D 4926

Patent

active

043625061

ABSTRACT:
The device for closely securing two insulator segments around a support member includes a resilient brace secured to and connecting the spaced apart insulator segments, a pair of converging upper locking surfaces and contiguous diverging lower surfaces on the insulator segments. A locking bar having a top and a pair of converging sides is conformingly inserted within the brace and upper locking surfaces in order to mechanically secure the insulator segments around the support member. A refractory mortar is applied to the interior of the locking plug and the diverging lower surfaces in order to protect the locking plug from the furnace heat. The arrangement permits the insulator segments to be locked at a single point around the support member.

REFERENCES:
patent: 3451661 (1969-06-01), Barker
patent: 3453718 (1969-07-01), Bates
patent: 3488040 (1970-01-01), Dickson
patent: 3781167 (1973-12-01), Ahonen
patent: 3881864 (1975-05-01), Nicol
patent: 3941160 (1976-03-01), Campbell, Jr.
patent: 4182609 (1980-01-01), Hovis et al.
patent: 4228826 (1980-10-01), Campbell, Jr.
Cameron Therm-A-Rail System, pp. ii, 7, 14, released Mar. 1981 by the Cameron Iron Works, Inc.

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