Tubular metal fitting expandable in a wall opening and method of installation

Tubular metal fitting expandable in a wall opening and method of installation

A fitting is inserted into an opening in a wall. The fitting includes a ring portion where it extends through the opening. It also includes one or two end portions that extend axially outwardly from the ring portion. The ring portion has an inside diameter that is smaller than the inside diameters o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: POAST TOM G.,MADDEN DEAN C.,WEISS MARK R
Format: Patent
Sprache:eng
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
BLASTING
COSMONAUTICS
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HELICOPTERS
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PIPES
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:A fitting is inserted into an opening in a wall. The fitting includes a ring portion where it extends through the opening. It also includes one or two end portions that extend axially outwardly from the ring portion. The ring portion has an inside diameter that is smaller than the inside diameters of the end portion or portions. The fitting is positioned within the wall openings. Then, an expansion tool is moved through the interior of fitting for the purpose of expanding the ring portion. The ring portion is expanded to such an extent that it makes a tight fit with the opening. Also, the degree of expansion may result in a cold working of the wall material surrounding the opening. The expansion tooling only expands the ring portion and does not exert a substantial expanding force on the end portions.