Interfolder device with dynamic pressure section connected at th

Details Interfolder device with dynamic pressure section connected at th Interfolder device with dynamic pressure section connected at th

1989-05-16

1991-04-09

Look, Edward K.

Sheet-material associating

Associating and folding

Zigzag package

1986891, 198534, B41L 132

Patent

active

050058169

ABSTRACT:
An interfolder device for folding sheet material in a zig-zag manner which uses a pair of counter rotating rollers for receiving the sheet material and an elongated guide track disposed below the counter rotating rollers for receiving, supporting and conveying the sheet material as it is folded on the guide track. There is also provided a dynamic pressure means consisting of a vacuum that is coupled to the guide track by means of perforations formed in the guide track in order to apply a brake to the sheet material as it is supported and conveyed along the track during its folding process.

REFERENCES:
patent: 2449663 (1948-09-01), Marcalus
patent: 2467977 (1949-04-01), Jones
patent: 3529713 (1970-09-01), Poupin
patent: 3607583 (1971-09-01), Geschwender
patent: 4304508 (1981-12-01), Wolf

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