Device and method for calibrating a non-destructive sheet streng

Details Device and method for calibrating a non-destructive sheet streng Device and method for calibrating a non-destructive sheet streng

1988-01-22

1990-06-26

Raevis, Robert

Measuring and testing

Sheet, woven fabric or fiber

G01L 504

Patent

active

049361406

ABSTRACT:
A running blade is adapted to move at the same speed as a continuously running sheet and to generate a burst perforation through the sheet. The force exerted by the blade against the sheet is measured and used to calibrate a non-destructive sheet strength sensor.

REFERENCES:
patent: 2522544 (1950-09-01), Seyboth
patent: 3498120 (1970-03-01), MacMillan
patent: 3552203 (1971-01-01), Freeh
patent: 3738151 (1973-06-01), Giunta et al.

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