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Patent Searching and Data


Title:
KEY SEAL AND VALVE
Document Type and Number:
WIPO Patent Application WO/2015/065824
Kind Code:
A3
Abstract:
A key seal (400) includes a first circular seal portion (405), a second rounded seal portion (410) and a third rounded seal portion (415). The first circular seal portion preferably has generally circular cross-section. The second rounded seal portion preferably has a bottom side which is connected to the first seal portion, and has a cross-section which is smaller than that of the first circular seal portion. The third rounded seal portion preferably has a top side which is connected to the first seal portion, and has a cross-section which is smaller than that of the first circular seal portion. The first, second and third seal portions may be integrally formed. They key seal may be installed in a hydroseal assembly around the pin section of a hydroseal, and between a seal and a block section of the hydroseal.

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Inventors:
WEINTRAUB PRESTON (US)
QUACKENBUSH JOSEPH (US)
Application Number:
PCT/US2014/062114
Publication Date:
August 06, 2015
Filing Date:
October 24, 2014
Export Citation:
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Assignee:
PROSERV OPERATIONS INC (US)
International Classes:
F16K3/18; E21B49/08; F16J15/16; F16K11/07
Foreign References:
US20040173976A12004-09-09
US6520478B12003-02-18
Attorney, Agent or Firm:
PATTERSON, William B. et al. (LLP24 Greenway Plaza, Suite 160, Houston Texas, US)
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