Static structures (e.g. – buildings) – Lapped multiplanar surfacing; e.g. – shingle type
Patent
1989-07-28
1990-06-19
Friedman, Carl D.
Static structures (e.g., buildings)
Lapped multiplanar surfacing; e.g., shingle type
52521, 52536, 52555, 52545, E04D 100
Patent
active
049341200
ABSTRACT:
A lap joint structure for adjoining panels of a sheet metal roofing assembly permits shifting of the joint panels longitudinally and transversely with respect to the joint as caused by thermally induced expansion and contraction, as well as providing a securely anchored connection of the panels to the roof substrate. Two adjacent panels are rigidly connected to one another, an underlying cleat is rigidly connected to the roof substrate, and the two joined panels are securely connected to the cleat with clearance allowed for thermally induced movements of the panels across the substrate.
REFERENCES:
patent: 2250764 (1941-07-01), Hoess
patent: 3289365 (1966-12-01), McLaughlin et al.
patent: 3353319 (1967-11-01), Gronlund
patent: 3852933 (1974-12-01), Guzzo
patent: 3945166 (1976-03-01), Hosoda et al.
patent: 3999348 (1976-12-01), Hicks
patent: 4096681 (1978-06-01), Netterstedt et al.
Friedman Carl D.
Hoffert L. R.
The Louis Berkman Company
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