DEVICE FOR AT LEAST PARTIALLY BLOCKING AN OPENING AND FORMING A SEAL IN THE OPENING

A device for at least partially blocking an opening includes a first body, a second body rotatably mounted to the first body and a compressible seal extending from the first body. The seal includes a first portion, a plate having a hole at one end of the first portion, and a second portion extending...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ALLEN, DAVID MARK, SANDERS, SCOTT ALLEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DEVICES FOR VENTING OR AERATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR STEAM ENGINES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A device for at least partially blocking an opening includes a first body, a second body rotatably mounted to the first body and a compressible seal extending from the first body. The seal includes a first portion, a plate having a hole at one end of the first portion, and a second portion extending away from the plate. A hollow shaft extends from the second body and through the first body, the first portion, the hole in the plate, and into the second portion. The shaft has a shoulder in the second portion that is wider than the hole in the plate, and moving the shaft relative to the first body compresses the second body until the shoulder reaches the plate and then compresses the first body. Such compression expands the first and/or second portions and presses them against the inside of the opening to form a seal.