COMPOSITE PANEL HAVING INTERLOCKED SKINS AND A BONDED FOAM CORE

A unitary, insulated panel is provided for use in sectional doors and walls. The panel comprises opposed, spaced apart, parallel, inner and outer metal skins. The skins are mechanically interlocked along their top and bottom ends byintegral, inwardly projecting flanges having mutually engaged, hook-...

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Bibliographische Detailangaben
1. Verfasser:	MIHALCHEON, ARTHUR A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BUILDING BUILDING MATERIALS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS STRUCTURAL ELEMENTS
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Beschreibung
Zusammenfassung:	A unitary, insulated panel is provided for use in sectional doors and walls. The panel comprises opposed, spaced apart, parallel, inner and outer metal skins. The skins are mechanically interlocked along their top and bottom ends byintegral, inwardly projecting flanges having mutually engaged, hook-shaped terminal portions. The opposed flanges at each end are coplanar. The engaged hook-shaped terminal portions combine to form a longitudinally extending slot. The mouth of the slot is narrow relative to its bulbous inner portion. A strip of weather seal can be inserted longitudinally into the slot, for sealing purposes. Foamed polyurethane is formed in situ in the space between the skins. The polyurethane bonds to the skins. A rigid, strong panel unit is obtained by the combination ofmechanically interlocking the skins and bonding them with the core.