Apparatus for cutting hand holes in bags

Details Apparatus for cutting hand holes in bags Apparatus for cutting hand holes in bags

1985-12-13

1986-12-23

Schran, Donald R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493364, 493926, 83188, 83192, B31B 120, B26F 144

Patent

active

046310479

ABSTRACT:
An apparatus for forming aligned front and rear hand holes in the front and rear panels of a bag according to the invention has a support having a front face and an oppositely directed rear face adapted to respectively support the front and rear panels of the bag and formed with respective aligned front and rear annular recesses of a shape corresponding to that of the hand holes to be cut. Respective annular front and rear outer holddowns are engageable with the respective faces for pressing the respective panels thereagainst around the respective recesses. An annularly continuous front cutter blade is engageable in the front recess and an annular but discontinuous rear cutter blade is engageable in the rear recess. A rear inner holddown is also engageable with the rear face within the recess. An actuator can press the holddowns against the respective faces and simultaneously press the blades into the respective recesses and thereby cut a piece from the front panel and form an annular but discontinuous cut in the rear panel.

REFERENCES:
patent: 3698274 (1972-10-01), Coulon et al.
patent: 3802308 (1974-04-01), Davis
patent: 3848497 (1974-11-01), Lancaster et al.
patent: 4031815 (1977-06-01), Verbeke
patent: 4386924 (1983-06-01), Crawford et al.
patent: 4398903 (1983-08-01), Lehmacher

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