Static structures (e.g. – buildings) – Machine or implement
Patent
1983-01-17
1984-12-25
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
52484, E04C 330
Patent
active
044895291
ABSTRACT:
A ceiling runner is provided with added strength to its T-bar configuration. The runner is fabricated with a double piece vertical web and two horizontal flanges. The T-bar is strengthened by fastening together the double web structure at the region of the base of the vertical web. The fastening together of the double web structure can be carried out through the use of a hot melt adhesive, a welding, a lancing pattern, etc.
REFERENCES:
patent: 1253216 (1918-01-01), Day
patent: 3004640 (1961-10-01), Macomber
patent: 3083794 (1963-04-01), Stovall, Jr.
patent: 3189138 (1965-06-01), Znamirowski
patent: 3189139 (1965-06-01), Znamirowski
patent: 3509669 (1970-05-01), Plemeng
patent: 3570198 (1971-03-01), Ruhnke
Ollinger James C.
Shaub Melvin H.
Armstrong World Industries Inc.
Friedman Carl D.
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