Multi-characteristics seal member for testing uncapped container

Details Multi-characteristics seal member for testing uncapped container Multi-characteristics seal member for testing uncapped container

1984-06-11

1985-05-28

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 2, 277188R, 277229, 277233, 73 492, 73 498, F16J 1510, G01M 304

Patent

active

045196184

ABSTRACT:
A seal of composite construction for leak testing two piece "drawn" aluminum and steel cans and three piece welded steel cans. The novel can is formed of elastomeric materials of differing hardness which are molded together to form a single, integrally formed unit. More specifically, a core formed of a soft material is disposed in sandwiched relation to working surfaces formed of a harder material so that the beneficial and detrimental characteristics of such materials are synergistically maximized and minimized, respectively. In operation, the seal is axially displaced into and out of sealing registration with the open, flanged ends of cylinders to be used as portable containers. The hard working surfaces of the seal, or pad, resist abrasion and detect microsplits, thereby overcoming the limitations of conventional soft seals, while the soft core provides the needed resiliency, thereby overcoming the limitations of conventional hard seals.

REFERENCES:
patent: 524162 (1894-08-01), Cochrane
patent: 2360734 (1944-10-01), Smith
patent: 3213673 (1965-10-01), Schulhoff
patent: 3622427 (1971-11-01), Kelly
patent: 3774920 (1973-11-01), Sievenpiper
patent: 4027513 (1977-06-01), De Ment et al.

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