Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-10-14
1992-04-28
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
49 73, 1563066, 1563096, 428251, 428252, 428284, 428285, 428287, 4284231, 4284235, B23B 700
Patent
active
051088282
ABSTRACT:
Gate-panel element for a gate panel preferably made out of a number of such elements, a ceiling-component gate panel for example, with a space between outer layers, especially made of sheet metal, that enclose each other, and with a core, made of plastic, especially expanded plastic, that completely occupies the space. The element, in order to save weight, has a layer of plastic fibers against each surface of the outer layers that faces the core.
REFERENCES:
patent: 4025687 (1977-05-01), Woolen et al.
patent: 4292363 (1981-09-01), Briggs
Bell James J.
Fogiel Max
Hormann KG Brockhagen
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