Animal husbandry – Confining or housing – Stall
Patent
1999-09-03
2000-09-05
Swiatek, Robert P.
Animal husbandry
Confining or housing
Stall
119523, A01K 112
Patent
active
061127027
ABSTRACT:
Wave curb for the cow stand of a diagonal or herringone milking parlor is formed of an elongated sheet metal strip. The side edges are each bent over about 180 degrees to form unitary beads on the side edges. The strip is bent in alternate curves in the longitudinal direction so as to form a succession of alternate arcuate bights, preferably with a wavelength of about 36 to 42 inches. Preferably, the strip is stainless steel or galvanized steel, and has a finished length of about 36 to 144 inches. The sheet metal workpiece is inserted into a wave curb bending apparatus which simultaneously forms a first pair of opposite arcuate bights. Then the workpiece is moved longitudinally in the wave curb bending apparatus; and a second pair of opposite arcuate bights is formed in the sheet metal workpiece. The forming of each pair of arcuate bights can be achieved by rotating a pair of oppositely directed drums against opposite sides of the strip, while holding the strips against a pair of rolls disposed beyond positions of the drums. One of the rolls can be removed for forming straight portions.
REFERENCES:
patent: 1141341 (1915-06-01), Howell
patent: 1977021 (1934-10-01), Spencer
patent: 2842344 (1958-07-01), Todd
patent: 3841022 (1974-10-01), Thodos
patent: 5505265 (1996-04-01), O'Neil
patent: 6026610 (2000-02-01), Northrop et al.
Burdick Gale W.
Finn Todd Weiss
Norbco Inc.
Swiatek Robert P.
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