Lintel

Details Lintel Lintel

1979-09-06

1981-07-28

Perham, Alfred C.

Static structures (e.g., buildings)

Frangible section or means

52 97, 52204, 52215, 52633, E04B 100, E04C 208

Patent

active

042803080

ABSTRACT:
A lintel for supporting arches over doors, windows and other openings in a wall. The lintel is made of relatively thin sheet metal and has at least one load-carrying shank (5;12,13;19,20), so that the lintel in spite of its thin construction can carry great loads during the walling of the arch. The shank or each shank is provided with a longitudinally extending material weakening (6), e.g. a series of slots, perforations, a groove or similar. Said material weakening forms a fracture indication along which the shank can be folded or broken off, when the motar has set and brickwork has become self-supporting.

REFERENCES:
patent: 2361828 (1944-10-01), Drayer
patent: 2406559 (1946-08-01), Oakes
patent: 3172237 (1965-03-01), Bradley
patent: 3222831 (1965-12-01), Pritchard
patent: 4106247 (1978-08-01), Svensson

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