Metal-to-ceramic attachment device

Details Metal-to-ceramic attachment device Metal-to-ceramic attachment device

1983-03-08

1985-09-10

Kundrat, Andrew V.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Holding means or protector functioning only during...

403 17, 403 19, 403404, 403 28, F16B 4300

Patent

active

045403040

ABSTRACT:
A metal-to-ceramic fastening device is disclosed for securing a metal member to a ceramic member with respective confronting surfaces thereon clamped together, comprising a threaded bolt adapted to extend through a bolt hole in the metal member and into an aligned opening in the ceramic member, a rod nut threadedly receiving the bolt and adapted to span the opening in the ceramic member, and a pressure limiting member received on the bolt between the nut and the confronting surface of the metal member for limiting the movement of the nut toward the metal member when the bolt is tightened, so as to limit the pressure applied by the nut to the ceramic member to avoid damage thereto. The fastening device also prevents damage to the ceramic member due to thermal stresses. The pressure limiting member may have a shallow dish-shaped depression facing the rod nut to assist in accommodating thermal stresses.

REFERENCES:
patent: 2888292 (1959-05-01), Schoessow
patent: 3055465 (1962-09-01), Pulfrich
patent: 4116573 (1978-09-01), Fuchs
patent: 4167351 (1979-09-01), Bindin
patent: 4270871 (1981-06-01), Grise
patent: 4281941 (1981-08-01), Rottenkolber

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