Cutting – Processes – Cutting of interdigitating products
Patent
1990-04-19
1992-03-03
Noland, Tom
Cutting
Processes
Cutting of interdigitating products
G01L 2500
Patent
active
050921541
ABSTRACT:
Apparatus and method are disclosed for calibrating a load cell such as a load cell used in apparatus for measuring the forces applied to a pull tab during the formation of an opening in a container lid. The load cell first transmits a signal to a computer-recorder which is indicative of a no force applied condition. A known maximum force is then applied to the load cell which transmits a signal to the computer-recorder which is indicative of a known maximum force applied condition. An intermediate known force is then applied to the load cell which transmits a signal to the computer-recorder which is indicative of a known intermediate force applied condition. The computer-recorder uses the three signals to establish a load slope for use in the force measuring apparatus.
REFERENCES:
patent: 2672755 (1954-03-01), Hohner
patent: 3464261 (1969-09-01), Helm
patent: 4548083 (1985-10-01), Schuerer et al.
patent: 4850230 (1989-07-01), Elridge
patent: 4938070 (1990-07-01), Pessina et al.
Morehouse Machine Company Bulletin 169 "Morehouse Transistorized Calibrating and Weighing System", 4 pages; published by Mar. 1959.
"Calibration Balancing and Reading Interpolation for Strain-Gauge Dynanometers", Materials Testing; vol. 18, No. 1, pp. 19-21, Jan. 1976, A. Peiter et al.
Eldridge Lawrence B.
Smith Stephen P.
Coors Brewing Company
Noland Tom
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