Sealing system for ports of vessels used for corrosive fluids

Details Sealing system for ports of vessels used for corrosive fluids Sealing system for ports of vessels used for corrosive fluids

2006-10-31

2006-10-31

Bui, Luan K. (Department: 3728)

Special receptacle or package

With specified material for container or content

For content inhibitor or stabilizer

C220S601000

Reexamination Certificate

active

07128212

ABSTRACT:
A sealing system, sealing system components, and methods of manufacture and use for a vessel that holds corrosive liquid, with the sealing system having a port on the vessel, an insert, and a sealing element. The sealing element is corrosion-resistant, essentially impermeable to corrosive and critical fluids, essentially free of leachable impurities and is made with a material having a Shore A hardness between about 70 and about 95. A preferred material for the sealing ring is the class of materials known as polyolefins. The insert is operably engageable with the port and the sealing element to create a seal between the sealing element and the first and second sealing surfaces to prevent fluid flow through the port.

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Admitted Prior Art, 1 page.
Supplementary European Search Report.
Engage Polyolefin Elastomers, pp. 1-3, published Aug. 2005 by Dow Chemical Company.
Material Safety Data Sheet, p. 1-6, revised on Aug. 24, 2004 by Dow Chemical Company.
Material Safety Data Sheet, p. 1-7, revised on Aug. 24, 2004 by Dow Chemical Company.
Material Safety Data Sheet, p. 1-7, revised on Jun. 13, 2003 by Dow Chemical Canada Inc.

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