Title: Seal for large annular openings

Abstract: An elastomeric seal for sealing a large annular space having a groove on the low pressure side so that the seal will deflect easily when inserting a cylinder from the low pressure side and will withstand high differential pressure without blowing through.

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Inventors: Molnar, Albert J. (Trafford, PA, US)
Rudd, George E. (Murrysville, PA, US)
Meier, Joseph F. (Export, PA, US)

Application Number: 700234
Filing Date: 1976-06-28
Publication_date: 1977-07-05
Assignee: Westinghouse Electric Corporation (Pittsburgh, PA)
Primary Class(es): 277/626 277/549, 277/561, 277/627
Other Classes:
US Patent Ref:

967679	Aug, 1910	Shepheard	277/212.
1610187	Sep, 1926	Myers et al.	277/212.
2149147	Feb, 1939	Peterson et al.	277/212.
2625414	Jan, 1953	Kranz	277/212.

Other Refs:
Primary Examiner: Smith, Robert I.
Assistant Examiner:
Attorney: Baehr, Jr.; F. J.