Apparatus for forming apertures in pleats

Details Apparatus for forming apertures in pleats Apparatus for forming apertures in pleats

1986-01-15

1987-03-17

Rimrodt, Louis K.

Apparel apparatus

Plaiting, fluting, and shirring

223 34, A41H 4300

Patent

active

046501029

ABSTRACT:
In a pleat forming machine, apertures are defined in a pleat simultaneously with the formation of the pleat. A pusher bar carries a cutting member which projects into a recess defined in a pleating bar when the two bars are brought together to form the pleat. By so projecting, the cutting member pierces the folded material between the bars to form the required apertures. Clean and accurate cutting is assured by providing a continuous cutting edge, at the distal end of the cutting member, biased at an angle relative to the mating surfaces of the bars in order to concentrate the cutting force at a small portion of the edge at the time of puncture.

REFERENCES:
patent: 1124360 (1915-01-01), Tholl
patent: 2122971 (1938-07-01), Angeletti
patent: 2319766 (1943-05-01), Cox et al.
patent: 2558196 (1951-06-01), Pinsuti
patent: 2677993 (1954-05-01), Ens
patent: 2714155 (1955-07-01), Johnson
patent: 3656686 (1972-04-01), Lee et al.
patent: 4057178 (1977-11-01), Martin

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