Method for manufacture of a raised panel sheet metal shutter

Details Method for manufacture of a raised panel sheet metal shutter Method for manufacture of a raised panel sheet metal shutter

1992-07-17

1993-09-21

Larson, Lowell A.

Metal deforming

Process

Deforming sheet metal

72211, B21C 3702

Patent

active

052458520

ABSTRACT:
A method for the manufacture of a shutter on a piece of flat stock sheet metal material, said shutter having a raised panel of continuous configuration without any cutting of the stock material, said raised panel having an inner perimeter and an outer perimeter, the method consisting of the steps of establishing a pattern for the inner perimeter on the back side of the sheet metal material, establishing a pattern for the outer perimeter line on the front side of the sheet metal material, establishing a pattern of beveled lines between the inner perimeter line and outer perimeter line, said beveled lined pattern being on the back side of the sheet metal material, gripping the sheet metal material about its perimeter between the jaws of a straight edge brake along the sides and top of the sheet metal material in successive steps, rolling the inner perimeter line of the sheet metal stock with a beveled roller along the back of the sheet metal, rolling the front of the sheet metal material along the outer perimeter line with the beveled edge roller, rolling the back of the sheet metal material with the beveled roller along the lines of the beveled pattern, the rolling of the pattern lines with the beveled roller being performed under sufficient pressure to crimp the sheet metal material and cause the raised panel shutter to snap into configuration as the process is completed.

REFERENCES:
patent: 800365 (1905-09-01), Ebert
patent: 2095533 (1937-10-01), Schmidt
patent: 3392566 (1968-07-01), Sporck
patent: 5024076 (1991-06-01), Warner
patent: 5125258 (1992-06-01), Warner

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