Self-centering adapter clamp

Details Self-centering adapter clamp Self-centering adapter clamp

2011-04-26

2011-04-26

Bochna, David E (Department: 3679)

Pipe joints or couplings

Packed

Radially expansible, spigot-carried

C285S346000, C042S119000, C359S829000

Reexamination Certificate

active

07931308

ABSTRACT:
An adapter clamp for clamping an adapting tube. The adapter clamp includes: an adapter tube; a first resilient ring placed in the inner circumferential surface of the adapter tube and including elastic material for expanding inward and clamping to the outer surface of the adapting tube; a hollow adjustment ring configured to be threaded to the inner surface of the adapter tube to generate a displacement force; and a compression ring providing minimum friction resistant for translating the displacement force from the threading hollow adjustment ring to a longitudinal compressing displacement of the first resilient ring, causing an inner surface of the first resilient rings to fit to the outer surface of the adapting tube. The adapter clamp also includes a second resilient ring placed in the inner circumferential surface of the adapter tube; and a spacer placed on the inner circumferential surface of the adapter tube.

REFERENCES:
patent: 2817142 (1957-12-01), Boden et al.
patent: 3058391 (1962-10-01), Leupold
patent: 3610666 (1971-10-01), Tyler
patent: 3696516 (1972-10-01), Thompson
patent: 7203006 (2007-04-01), Kuo
patent: 7441810 (2008-10-01), Buff

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