Title: Method for making ribbons curlable in a cockade fashion

Abstract: A method for making ribbons curlable in a cockade, comprising the steps of longitudinally superimposing to a base ribbon a tape, causing the ribbon to pass along with the tape in a shearing unit for laterally shearing on the two sides of the ribbon two roundish cuts or notches and inserting on the ribbon and tape superimposed thereto a metal ring at the center of the sheared area at each of the ribbon shearing locations, the operations being in timing relationship with the feeding system for the ribbon and tape.

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Inventors: Bolis, Ernesto (Bergamo), IT)

Application Number: 543510
Filing Date: 1975-01-23
Publication_date: 1976-05-04
Assignee:
Primary Class(es): 223/46 428/4
Other Classes:
US Patent Ref:

3236426	Feb, 1966	Kerrigan et al.	223/46.
3283339	Nov, 1966	Heifetz	428/4.
3587946	Jun, 1971	Christensen	223/46.
3632464	Jan, 1972	Grikis	428/4.
3637455	Jan, 1972	Pearson et al.	161/49.
3790041	Feb, 1974	Pearson et al.	223/46.

Other Refs:
Primary Examiner: Larkin, G. V.
Assistant Examiner:
Attorney: