Static structures (e.g. – buildings) – Specified wear or friction-type traffic-carrying surface
Patent
1989-05-10
1990-08-14
Friedman, Carl D.
Static structures (e.g., buildings)
Specified wear or friction-type traffic-carrying surface
52732, 52738, B44D 508
Patent
active
049475959
ABSTRACT:
An extruded metal plank for use in the construction of deck surfaces is disclosed along with certain supporting structure for the plank. The metal plank includes a horizontal element having an upper surface, a lower surface, and two parallel edges defining outer boundaries of the upper surface. Two side elements depend from the lower surface contiguous to the two parallel edges for defining the sides of the plank. At least one supporting element depends from the horizontal element lower surface, each supporting element including a horizontal projection at a lower end of the element for supporting the plank. A plurality of additional elements depend from the horizontal element lower surface for maximizing the area of the lower surface to enhance heat transfer from the plank to the surrounding environment.
REFERENCES:
patent: D200775 (1965-04-01), Horn
patent: 2718288 (1955-09-01), Boyer
patent: 3080021 (1963-03-01), Muir
patent: 3425181 (1969-02-01), Barainsky
patent: 3555762 (1971-01-01), Costanzo, Jr.
patent: 4266381 (1981-05-01), Deller
Douds Willard O.
Kiphart James A.
Friedman Carl D.
Metalmark Corporation
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