Apparatus for making slotted tubular dunnage

Details Apparatus for making slotted tubular dunnage Apparatus for making slotted tubular dunnage

2006-04-18

2006-04-18

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Cutter control

C425S145000, C425S164000, C425S290000, C425S302100, C425S397000, C425S403100

Reexamination Certificate

active

07029259

ABSTRACT:
The present invention involves an apparatus for making slotted tubular dunnage in which a resilient plastic tube having a pair of flanges at opposite sides extending along the length of the tube is held by gripping the flanges at opposite sides of the tube and squeezing sides of the tube together. The apparatus then moves the tube into a slotting position between a steel rule die and a kissing plate while holding the tube with the sides squeezed together. The apparatus then shifts the die against and through the sides of the tube forming a slot therein surrounding a cutout slug of the tube. The apparatus then withdraws the die from the tube while retaining the slug within the slot and moves the tube to a discharged position and discontinues the squeezing of the tube.

REFERENCES:
patent: 4354816 (1982-10-01), Schepp
patent: 4436500 (1984-03-01), Allen et al.
patent: 4519761 (1985-05-01), Kenmochi et al.
patent: 5178279 (1993-01-01), Carroll
patent: 5267652 (1993-12-01), Carroll
patent: 5306455 (1994-04-01), Carroll
patent: 5989480 (1999-11-01), Yamazaki
patent: 6715387 (2004-04-01), Suzuki

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