Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Reexamination Certificate
2006-02-28
2006-02-28
Mitchell, Katherine (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
C411S429000, C411S910000, C411S405000
Reexamination Certificate
active
07004701
ABSTRACT:
A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud to rotate freely about the security cap, such that a grip on the shroud will not turn the cap. The cap is provided with a grip resistant upper surface to discourage gripping with compression type tools such as pliers. Additionally, the cap is recessed within the shroud to make unauthorized access more difficult and is provided with any one of a wide ranging selection of non-standard keyway type tool fittings such that a custom designed tool is required to tighten or to loosen the cap. The shroud and cap system maybe configured as a cap, a plug, or a valve stem, among other variations. Only those with access to the security socket tool can access the system.
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Dawsey David J.
Gallagher Michael J.
Gallagher & Dawsey Co. LPA
Mitchell Katherine
LandOfFree
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