Ceramic fiber attaching system for a backing plate

Details Ceramic fiber attaching system for a backing plate Ceramic fiber attaching system for a backing plate

1990-04-25

1992-05-19

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219 98, B23K 900

Patent

active

051151146

ABSTRACT:
An attaching assembly is disclosed which permits attachment of ceramic fiber to a back plate. The assembly includes a stud retainer plate having a perforation, such as at the center of the plate. The stud retainer plate can be affixed to a perforate backing element, e.g., a metal mesh. On the side of the stud retainer plate opposite the backing element, there is a tube retainer. This tube retainer is secured to the stud retainer plate. An elongated, removable tube can be inserted into the tube retainer. A stud can be inserted through the removal tube, and through the retainer plate perforation and perforate backing element. The stud is then welded to a back plate, e.g., a solid furnace wall. A refractory element inserted in the retainer plate perforation insulates the stud from the retainer plate to prevent arcing during welding. After welding, the removable tube, which during welding is surrounded by ceramic fiber, is removed, thereby providing a continuous ceramic fiber hot face covering the attachment assembly.

REFERENCES:
patent: 3702024 (1972-11-01), Baker, Jr.
patent: 3706870 (1972-12-01), Sauder et al.
patent: 3819468 (1974-06-01), Sauder et al.
patent: 3940244 (1976-02-01), Sauder et al.
patent: 4032742 (1977-06-01), Kendrick et al.
patent: 4411621 (1983-10-01), Miller

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