E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/128 (2006.01) B21D 13/10 (2006.01) B21D 53/00 (2006.01) F16F 1/34 (2006.01) F16F 1/40 (2006.01) F16J 15/02 (2006.01) F16J 15/56 (2006.01)
Patent
CA 2759158
The present invention relates to a spring element. The spring element includes a metal ring with a central aperture and radial pleats formed on the metal ring. The radial pleats flatten when pressure is applied axially to compress the ring such that the metal ring increases in effective diameter. The seal element may be used to radially seal an annular bore.
Kunz Dale Ian
Bennett Jones Llp
Bj Tool Services Ltd.
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