Metal cased refractory and method of making same

Static structures (e.g. – buildings) – Opaque stonelike module – Lateral retaining feature on facing sheet

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Details

294695, 29514, 29515, E04B 504, E04C 204, B23K 3102

Patent

active

040459357

ABSTRACT:
A metal cased refractory is made by first forming a refractory shape, which may be fired if desired, with at least one, and preferably two, shallow depressions in one of its faces. A U-shaped metal casing is also formed having a discontinuous slot running the length of its central portion. The U-shaped casing is then placed over the refractory shape so that the discontinuities in the slot overlie the shallow depressions. These discontinuities form contraction tabs which are pushed into the shallow depressions, drawing the side legs of the U-shaped casing snugly against the sides of the refractory shape and placing the central section of the casing in tension.

REFERENCES:
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patent: 3168917 (1965-02-01), Bartels
patent: 3280772 (1966-10-01), Burklo
patent: 3314142 (1967-04-01), Jenkins et al.
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patent: 3317992 (1967-05-01), Kerr
patent: 3577626 (1971-05-01), Link
patent: 3597892 (1971-08-01), Farrington
patent: 3781962 (1974-01-01), Norris et al.

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