Metal deforming – Process – Deforming sheet metal
Patent
1980-02-25
1982-07-13
Larson, Lowell A.
Metal deforming
Process
Deforming sheet metal
248 482, 405120, B21D 5336
Patent
active
043388086
ABSTRACT:
An eavestrough corner bracket made from an elongated bendable sheet strip with a longitudinal axis. The bracket has inner and outer portions folded about the longitudinal axis to produce respective corner side portions inclined to each other to define side walls of opposed corners which are generally complementary to adjacent intersecting inner and outer portions of the eavestroughing. The bracket has an intermediate portion disposed between the inner and central portions thereof, the intermediate portion having a plurality of folds to incline corner portions of the bracket for both an outside corner and for an inside corner of the bracket. The invention discloses a method of folding a structure from a blank to eliminate joining together of portions of the bracket.
REFERENCES:
patent: 937697 (1909-10-01), Friedley et al.
patent: 1657425 (1928-01-01), Wheeler
patent: 3771342 (1973-11-01), Alleaume et al.
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