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Industry News
Jet Edge awarded patent for waterjet seal

Metal-on-metal design eliminates the use of conventional plastic seals, increasing product life and reducing equipment downtime.

Posted on: 1/14/2013
Source: CompositesWorld

Waterjet manufacturer Jet Edge Inc. (St. Michael, Minn., USA) announced on Jan. 10 that the United States Patent and Trademark Office has issued Jet Edge a patent for a high-pressure fluid sealing mechanism designed by Jet Edge R&D engineer Michael Wheeler.

Jet Edge’s proprietary high-pressure fluid sealing mechanism (U.S. Patent 8,333,387) improves waterjet seal life by providing robust metal-on-metal sealing without the use of conventional plastic seals. This technology uses two convex curved surfaces in single line contact with one another to seal ultra-high pressure (UHP) fluid at static pressures up to 130,000 psi. To view the patent, visit http://1.usa.gov/VuWMjM.

Jet Edge initially developed the metal-on-metal seal to meet the increased performance demands of its X-Stream (XP) pressure intensifier pumps, which produce dynamic cutting pressures of 75,000 psi. The technology has proven so successful that the waterjet manufacturer has expanded its use into additional product lines, including its ECO-JET direct drive pumps and several of its 60,000 psi intensifier pumps.

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