Flexile core material for laminated structures and method of pro

Details Flexile core material for laminated structures and method of pro Flexile core material for laminated structures and method of pro

1975-01-16

1976-06-22

Abercrombie, Willie G.

Cutting

Processes

Plural cutting steps

83660, 83695, B26D 308

Patent

active

039643549

ABSTRACT:
A flexile core material for laminated structures is produced by providing a sheet of rigid elastic foam plastic material having a pair of opposite sides; slotting the sheet from one side to form a plurality of longitudinally extending, contiguous, strips of equal width, said strips being articulately interconnected by hinge pieces constituted by unslotted portions of the sheet on the other side thereof, said unslotted portions being longitudinally spaced at equal intervals, and slotting the sheet transversely from one side to divide said strips into rectangular block-like elements of equal length, said elements being separated from one another save at said hinge connections.

REFERENCES:
patent: 3205750 (1965-09-01), Strange
patent: 3795163 (1974-03-01), Armstrong et al.

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