Method of reinforcing sheet metal panels, shaped plastic panels

Details Method of reinforcing sheet metal panels, shaped plastic panels Method of reinforcing sheet metal panels, shaped plastic panels

1988-06-10

1990-05-29

Ryan, Patrick

Stock material or miscellaneous articles

Two dimensionally sectional layer

Next to unitary web or sheet of equal or greater extent

428 78, 428136, 428251, 428285, 428286, 428249, 428413, 428415, 4284231, 4284256, 428 441, 428241, 428243, 428244, 428283, 428433, 428438, 428480, 428200, 428346, 428913, 174DIG8, B32B 300

Patent

active

049294830

ABSTRACT:
The method of reinforcing a panel of sheet metal, a shaped plastic body or the like is performed by means of a one- or multi-layer stiffening member of essentially flat shape which comprises a layer at least partially consisting of a thermosetting resin. Thereby, the stiffening member is subjected to a first heat treatment until at least one of the surfaces of the stiffening member is sticky. Thereafter, the stiffening member is applied to the surface of an element to be reinforced. Finally, the stiffening member is subjected to a second, final heat treatment until all layers comprising a thermosetting resin material are cured. Thus, it is not necessary to manually prepare the stiffening member by removing a protection foil from its sticky surface prior to applying it to the element to be reinforced and a fully automated handling is possible.

REFERENCES:
patent: 2915413 (1959-12-01), Ragan et al.
patent: 4370369 (1983-01-01), Bonis
patent: 4444818 (1984-04-01), Tominaga et al.
patent: 4451518 (1984-05-01), Miura et al.
patent: 4569880 (1986-02-01), Nishiyama et al.
patent: 4728550 (1988-03-01), Van Beersel et al.
patent: 4803105 (1989-02-01), Kretow et al.
patent: 4803108 (1989-02-01), Leuchten et al.

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