Static structures (e.g. – buildings) – Machine or implement
Patent
1983-11-23
1986-04-29
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Machine or implement
264 32, 405135, 405151, 52245, E04B 132
Patent
active
045848122
ABSTRACT:
An apparatus for tightening a ring of refractory brick in order to accommodate the installation of the key brick into a key brick space of such a refractory brick ring to tightly close and complete the ring is provided. The apparatus includes an expansion frame including a first end and a second end. The first end is selectively attachable to a first brick on one side of the key brick space at a point on the first brick remote to the key brick space. The second end is selectively attachable to a second brick on the opposing side of the key brick space at a point on the second brick remote to the key brick space. A power device is associated with the expansion frame for providing outwardly opposing force on the first and second ends such that circumferential compressive force is exerted on the refractory brick ring remotely from the key brick space to tighten the ring. A method of tightening the ring of refractory brick in order to accommodate the installation of a key brick into a key brick space of such a refractory brick ring is also disclosed.
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