INSTALLATION TOOL AND ASSOCIATED METHOD FOR APPLYING A PATCH TO A SURFACE

An installation tool and method are provided to apply a patch to a structure while controlling the porosity in the bond line. An installation tool is provided that includes a frame defining an internal cavity. The installation tool also includes a flexible membrane that divides the internal cavity i...

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Bibliographische Detailangaben
Hauptverfasser:	EVENS, Michael W, OLBERG, Jeffrey H, PERRON, Daniel J
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An installation tool and method are provided to apply a patch to a structure while controlling the porosity in the bond line. An installation tool is provided that includes a frame defining an internal cavity. The installation tool also includes a flexible membrane that divides the internal cavity into a first chamber proximate the surface and a second chamber separated from the surface by the first chamber and the flexible membrane. The flexible membrane is releasably attached to the patch such that the patch faces the surface. The frame includes first and second vacuum ports into the first and second chambers, respectively, such that pressure therewithin is separately controllable. The pressure within the first and second chambers is controlled such that the adhesive is degassed while the patch remains spaced from the surface and the flexible membrane is thereafter caused to be stretched to urge the patch toward the surface.