Static structures (e.g. – buildings) – Lapped multiplanar surfacing; e.g. – shingle type – Interfitted sections
Patent
1986-04-21
1987-09-22
Bell, J. Karl
Static structures (e.g., buildings)
Lapped multiplanar surfacing; e.g., shingle type
Interfitted sections
52520, E04D 118
Patent
active
046946284
ABSTRACT:
A metal building panel, such as a roof panel, has its longitudinal edges roll-formed to define integral male and female edge formations. Each edge formation includes an upstanding flange, a return flange angularly disposed with respect to the upstanding flange such that the distal portion of the return flange is spaced from the upstanding flange a distance greater than the distances other portions of the return flange are spaced from the upstanding flange. Each of the return flanges joins with a reentrant rib. The reentrant rib of the female edge formation joins with a return lip. Adjoining male and female edge formations of a pair of such panels may be readily inter-engaged to form a snap-lock connection. If desired, a further mechanically seamed lock may be obtained by the application of squeezing forces to the inter-engaged male and female edge formations of a pair of such panels.
REFERENCES:
patent: 4192117 (1980-03-01), Heirich
patent: 4213292 (1980-07-01), Heckelsberg
patent: 4269012 (1981-05-01), Mattingly
patent: 4361998 (1982-12-01), Ellison et al.
patent: 4525976 (1985-07-01), Simpson
patent: 4575983 (1986-03-01), Lott et al.
Hammack Milton E.
Vondergoltz G. Earl
Bell J. Karl
ECI Building Components, Inc.
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