Stock material or miscellaneous articles – Structurally defined web or sheet – Fold at edge
Patent
1987-12-07
1990-01-16
Ball, Michael W.
Stock material or miscellaneous articles
Structurally defined web or sheet
Fold at edge
428290, 428703, 52631, 138146, 156227, 427265, 427342, B05D 136, B05D 500, B32B 304, B32B 1300
Patent
active
048942707
ABSTRACT:
An article formed by stiffening the folds of the folded plate structure by applying a low viscosity penetrant along the folds which reacts with the cement to harden it where it has been weakened due to folding. Applications include sandwich panel roof and floor decking and siding for buildings, cylindrical sandwich panels for arch roofs and large pipes or culverts, box beams and girders, and dome roofs.
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patent: 2779388 (1957-01-01), Quoss
patent: 3529516 (1970-09-01), Dorsey
patent: 4446083 (1984-05-01), Nicholls
patent: 4528238 (1985-07-01), Alford
patent: 4563377 (1986-01-01), Melli
patent: 4568589 (1986-02-01), Briggs
patent: 4617072 (1986-10-01), Merz
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patent: 4664968 (1987-05-01), Lord
patent: 4690835 (1987-09-01), Halabisky et al.
patent: 4732816 (1988-03-01), Walters
patent: 4778718 (1988-10-01), Nicholls
Fold and Bond Construction of Cement Laminate Structural Shapes-Nicholls et al.
Ball Michael W.
Falasco Louis
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