Method and apparatus for laminating stiffeners with folded sheet

Details Method and apparatus for laminating stiffeners with folded sheet Method and apparatus for laminating stiffeners with folded sheet

1996-06-13

1999-12-28

Ahmad, Nasser

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

281 2, 281 5, 281 31, 283 34, 283106, 283109, 283115, 402 4, 428 77, 428 99, 428130, 428192, B32B 304, B42D 1504

Patent

active

060078952

ABSTRACT:
An article comprising a folded sheet, that is able to be unfolded, the folded sheet comprising a plurality of segments defined by folds lines, with at least one stiff portion provided at one of said exposed segments of the folded sheet, wherein at least part of the stiff portion comprises a transparent material and the folded sheet is folded with two sets of concertina folds, and one of said concertina folds being transverse of the other of said concertina folds.

REFERENCES:
patent: 4182063 (1980-01-01), Klosel
patent: 5351991 (1994-10-01), McDonald

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