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Patent Searching and Data


Title:
FIRE-RESISTANT SEAL ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2019/194937
Kind Code:
A3
Abstract:
The present invention provides fire-resistant seal assemblies that are particularly suited for use in hydraulic components in fire zones. The fire-resistant seal assemblies include a first seal made from an elastomeric material; a first anti-extrusion seal having a first seal facing surface for receiving the first seal and defining a groove extending therealong, and an exterior surface having a truncated V-shaped portion with beveled end portions in a longitudinal cross sectional view; at least one second anti-extrusion seal having a second seal facing surface for receiving the first anti-extrusion seal and defining a groove extending therealong, and an exterior surface having a truncated V-shaped portion with beveled end portions in a longitudinal cross sectional view; and at least one backer ring having a third seal facing surface for receiving the second anti-extrusion seal and defining a groove extending therealong, and an exterior surface having a truncated V-shaped configuration in a longitudinal cross sectional view.

Inventors:
PRATE, Devin (646 Keely Court, Philadelphia, PA, 19128, US)
OKLADEK, Steve (1435 Manor Drive, Bethlehem, PA, 18015, US)
LONDON, Laurence, S. (108 Heartwood Drive, Lansdale, PA, 19446, US)
Application Number:
US2019/021710
Publication Date:
November 07, 2019
Filing Date:
March 11, 2019
Export Citation:
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Assignee:
GREENE, TWEED TECHNOLOGIES, INC. (1105 North Market Street, Suite 1300Wilimington, DE, 19801, US)
International Classes:
E21B23/00; E21B33/12; E21B34/14; F16J15/16; F16J15/20
Foreign References:
US4234197A1980-11-18
US6318729B12001-11-20
US20120025119A12012-02-02
US20100219592A12010-09-02
US20130087977A12013-04-11
US5524905A1996-06-11
US7341258B22008-03-11
US5309993A1994-05-10
US4576385A1986-03-18
Attorney, Agent or Firm:
CALDERONE, Lynda, L. et al. (Calderone Bullock LLC, Two Greentree Centre9000 Lincoln Drive East, Suite 30, Marlton NJ, 08053, US)
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