Fabricated liner article and method

A method of fabricating sheet metal panels and the article produced thereby. According to one form, the method of fabrication includes the steps of providing a panel of sheet metal, perforating the panel to provide a plurality of holes, forming the panel into a preselected curve about a longitudinal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WAKEMAN, THOMAS G, ROGGENKAMP, STEVEN K, LUDWIG, ARTHUR L, KELM, JAMES S, MACLIN, HARVEY M
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method of fabricating sheet metal panels and the article produced thereby. According to one form, the method of fabrication includes the steps of providing a panel of sheet metal, perforating the panel to provide a plurality of holes, forming the panel into a preselected curve about a longitudinal centerline, forming the leading edge portion of the panel into a front flange, forming a shoulder in the panel centered on the holes and extending perpendicularly from a surface thereof, bending an outer portion of the shoulder into a lip, and bonding the portions of the panel comprising the shoulder and lip.