Apparatus for making collars having an integral notcher

Details Apparatus for making collars having an integral notcher Apparatus for making collars having an integral notcher

1981-03-16

1983-09-27

Husar, Francis S.

Cutting

Tool engages work during dwell of intermittent workfeed

Work-sensing means to initiate tool feed

83269, 83693, 83917, 72421, B26D 528

Patent

active

044061994

ABSTRACT:
This invention provides a collar making apparatus having an integral notcher capable of forming a flat sheet of metal into a cylindrical collar. The notcher includes a stationary die and a ram mounted for reciprocation which includes a punch that cooperates with the die to stamp a notch in the sheet. The notcher further aligns a sheet to be punched and a control automatically operates the ram when a sheet is in the proper position for punching. From the notched sheet, the apparatus forms a channel along one side edge, forms the sheet into a circular configuration, and crimps the other side edge of the sheet.

REFERENCES:
patent: 1582217 (1926-04-01), Henry
patent: 2309963 (1943-02-01), Krueger
patent: 3613491 (1971-10-01), Kahmann
patent: 3982457 (1976-09-01), Berry
patent: 4152959 (1979-05-01), Elhaus
patent: 4228672 (1980-10-01), Gale et al.

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