Stock material or miscellaneous articles – Sheet including cover or casing
Patent
1997-03-17
2000-10-17
Speer, Timothy
Stock material or miscellaneous articles
Sheet including cover or casing
428116, 428118, 5278414, 5278415, 527931, B32B 312
Patent
active
061328367
ABSTRACT:
A door has an outer skin and an inner skin with a frame along the edges of the outer skin and inner skin to hold the door skins apart to form a hollow space therebetween. A rigid space core filler or spacer is used in the hollow portion to provide structural support between the pair of outer skins. The spacer has a first and second elongated members each oriented perpendicular to the outer skins and a plurality of rigid cross-spacers coupled to an extending between the first elongated member and the second elongated member. The rigid space cores are formed by gluing strips of flexible material between layers of rigid materials so that the rigid materials are held together and separated the length of the flexible material to form a first assembly. The first assembly formed is cut across the layers of material and through the rigid layers. An adhesive is applied to the top edges of this assembly and is placed between a pair of rigid layers to form a second assembly. Once the adhesive is set the second assembly is cut across the first set of rigid material to form the spacer. The spacer is then used for insertion into a hollow space within the door.
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