Metal deforming – With cutting – By composite tool
Patent
1986-08-08
1987-09-22
Combs, E. Michael
Metal deforming
With cutting
By composite tool
10 33, 72379, B21D 3102
Patent
active
046946756
ABSTRACT:
A connector plate for rigidly securing two intersecting wood members of a wood structure together in abutting relation is formed of sheet steel or the like with a plurality of pairs of teeth struck therefrom and extending perpendicularly to the plane of the plate, each of the teeth having a sharpened outermost end formed by initially stamping a plurality of grooves in the sheet steel plate diagonally with respect to the areas from which the plurality of pairs of teeth are subsequently struck.
REFERENCES:
patent: 159410 (1875-02-01), Harrington
patent: 457583 (1891-08-01), Goldie
patent: 3242788 (1966-03-01), Broder
patent: 3633454 (1972-01-01), Schmitt et al.
patent: 4235148 (1980-11-01), Menge
patent: 4318652 (1982-03-01), Gore
Combs E. Michael
Inter-Lock Steel Company, Inc.
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