Reinforcement ring

Details Reinforcement ring Reinforcement ring

2005-10-25

2008-08-26

Thomas, Alexander (Department: 1794)

Stock material or miscellaneous articles

Circular sheet or circular blank

Seal, gasket, or packing

C267S001500, C267S167000, C277S322000

Reexamination Certificate

active

07416770

ABSTRACT:
A reinforcement ring, includes an annular coil spring with a core unit arranged inside to prevent deforming or twisting of the ring under load. The core unit is formed from a chain of interlinked elements, each having a male part and a female part; the male parts of each element being engaged with corresponding female parts of an adjoining element.

REFERENCES:
patent: 4509763 (1985-04-01), Fischer
patent: 2002/0043368 (2002-04-01), Bell et al.
patent: 2 291 086 (1996-01-01), None
Norwegian Search Report, dated Jan. 16, 2006.

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