Metal deforming – With cutting – By shearing tool-couple
Patent
1978-10-23
1980-06-10
Larson, Lowell A.
Metal deforming
With cutting
By shearing tool-couple
72379, 72414, 113120G, B21D 3300
Patent
active
042066271
ABSTRACT:
A Unitary Mold-Press Structure comprising a bottom portion, a top portion, and a hinge is utilized to make disposable plates, pans, and stove burner protectors and liners in one simple manual step from aluminum foil. The bottom portion further comprises an aluminum foil source, a mold member, a cutting structure, folding flaps, and a side cutting member. The top portion comprises a handle structure, a side cutter, and a mold member. The hinge allows for rotation of the top portion relative to the bottom portion. The bottom cutting structure includes a cylindrical holder, a cylindrical spring, and first and second cylindrical steel cutters. The top handle structure includes a cylindrical holder, a cylindrical spring, and first and second annular members. The top handle structure and the bottom cutting structure interact to effect the internal cutting function of the aluminum foil.
REFERENCES:
patent: D92481 (1934-06-01), Maul
patent: 152523 (1874-06-01), Secor
patent: D203910 (1966-02-01), Sachnoff et al.
patent: 340659 (1886-04-01), Churchill
patent: 1714214 (1929-05-01), Darling
patent: 2133445 (1938-10-01), Guerin
patent: 2305866 (1942-12-01), Graf
patent: 3229886 (1966-01-01), Grogel
patent: 3241579 (1966-03-01), Partridge
patent: 3262668 (1966-07-01), Luker
patent: 3380272 (1968-04-01), Halter
patent: 3796174 (1974-03-01), Wilson
Larson Lowell A.
Oliveras R. Martin
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