1975-04-17
1978-09-05
Britts, Ramon S.
F16B 1500
Patent
active
041110960
ABSTRACT:
A fastening device to be used for attaching or mounting boards, slabs or mats of a pierceable material, in particular insulation mats, on a support surface, as for instance walls, roofs, ventilation ducts, etc., comprises an elongated, relatively thin metal strip, which has a portion at its one end designed as a foot portion to be secured flat against the support surface for instance by means of a screw, a nail, a rivet, spot-welding or glueing. The metal strip is comparatively rigid against bending but is provided with a first transversal bending or folding line with a reduced resistance against bending, which is located between said foot portion at the one end of the strip and the remaining portion of the strip, and a second transversal bending or folding line with a reduced resistance against bending located closer to the opposite end of the strip spaced from the first bending or folding line by a distance corresponding to the thickness of the material to be attached to the support surface by means of the fastening device.
REFERENCES:
patent: 988090 (1911-03-01), Hamilton
patent: 2382474 (1945-08-01), Gambo
patent: 2386887 (1945-10-01), Eckel
patent: 2580231 (1951-12-01), Lamm
patent: 2697857 (1954-12-01), Eckel
patent: 2913204 (1959-11-01), Stewart
patent: 2959897 (1960-11-01), Baker
patent: 3511127 (1970-05-01), Gisodi
AB Fast-Devel
Britts Ramon S.
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