Patent FR2007155A1 successfully refreshed from Google Patents.
FR2007155A1
Expired / Lapsed
FR
⏱️ 0.0 years remaining
High pressure and temperature flexible sealing ring
Assignee: Greene Tweed and Co
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Filing: 1969-03-28
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Granted: —
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Expires: 1989-03-28
Abstract
Abstract The sealing ring, is formed of a carboxylaed polymer of butadiene and acetonitrile, is provided with an annular groove in one radial face, in which is located a support ring, the other radial face having upper and lower arms extending from the face. The support ring pref. of polyhexamethylene-adipamide, containing 0.5-6.5% by weight of molybdenum disulphide, or of a laminate of phenolic resin and cotton textile layers, must have a resistance to movement of at least 560 kg./cm.2 (at normal temp.), a hardness of between 75 and 90, and a modulus of elasticity between 21,000 and 42,000.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 09:49
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3284; F16J15/166
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