Title:
Pivot ring seal
Document Type and Number:
Japanese Patent JP6254520
Kind Code:
B2
Abstract:
The instant invention provides for a pivoting ring that can be used as a seal for an inflatable member. The pivoting ring seal offers a mechanical action which acts to tighten with increasing inflation and/or expansion of an inflatable member. As the inflatable member increases in pressure and/or size, one side of the ring is lifted and pivots around a fulcrum in the middle of the ring seal causing the opposite side of the ring seal to decrease in diameter. The pivot ring causes the opposite part of the seal to tighten about an inner member allowing for a higher - pressure seal. In addition to a higher pressure seal, the working length of the inflatable member can be adjusted by moving the ring along the length of the inflatable member.
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Inventors:
Carry buoy campbell
Nathan El. Friedman
Benjamin M. Trap
Nathan El. Friedman
Benjamin M. Trap
Application Number:
JP2014505389A
Publication Date:
December 27, 2017
Filing Date:
April 14, 2012
Export Citation:
Assignee:
W.L. GORE & ASSOCIATES, INCORPORATED
International Classes:
A61F2/958; A61M25/10
Domestic Patent References:
| JP2005533603A | ||||
| JP2009511229A | ||||
| JP7289643A |
Foreign References:
| US5961536 | ||||
| WO1996040349A1 | ||||
| US4349033 |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Masahiro Tahara
Hirose Shigeki
Kazuo Maejima
Tetsuro Shimada
Shinji Mitsuhashi
Masahiro Tahara
Hirose Shigeki
Kazuo Maejima
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