Compliant fill tube assembly, fill tube therefor and method...

Details Compliant fill tube assembly, fill tube therefor and method... Compliant fill tube assembly, fill tube therefor and method...

2008-05-30

2009-10-13

Kastler, Scott (Department: 1793)

Metallurgical apparatus

Process

C222S607000, C222S606000, C164S335000

Reexamination Certificate

active

07601293

ABSTRACT:
A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular member has a substantially uniform cross-section. A clamping assembly is structured to maintain a substantially leakproof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations. A method of use is also disclosed.

REFERENCES:
patent: 6755235 (2004-06-01), Nedic
patent: 7407068 (2008-08-01), Klingensmith et al.

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