Device for separating perforated sections of a tubular web

Details Device for separating perforated sections of a tubular web Device for separating perforated sections of a tubular web

1993-12-13

1996-01-02

Seidel, Richard K.

Severing by tearing or breaking

Breaking or tearing apparatus

Work-parting pullers

225 4, B26F 302

Patent

active

054800838

ABSTRACT:
A device for separating sections of a perforated tubular web includes a pulling mechanism and a tearing mechanism. Each of these mechanisms has opposing rollers positioned facing each other on either side of the tubular section being separated. Continuous conveyor belts run over these rollers. The rollers of the tearing mechanism can be moved by a control element toward the tubular web. To prevent slippage of the web within the pulling mechanism when the tubular sections are being torn, the pulling mechanism is also provided with a control element which moves the rollers or cylinders of the pulling mechanism in a direction perpendicular to the tubular web in order to increase the pressure on the tubular web. The control element of the pulling mechanism is synchronized with a control element of the tearing mechanism.

REFERENCES:
patent: 3140621 (1964-07-01), Stone
patent: 3730411 (1973-05-01), Brockmuller
patent: 4498894 (1985-02-01), Kuckhermann

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