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1. (WO2016061443) PATTERN CONTROLLER

Pub. No.:    WO/2016/061443    International Application No.:    PCT/US2015/055914
Publication Date: Fri Apr 22 01:59:59 CEST 2016 International Filing Date: Sat Oct 17 01:59:59 CEST 2015
IPC: B05B 12/00
Applicants: GRACO MINNESOTA INC.
Inventors: BRUDEVOLD, Mark, J.
BERGMAN, Matthew, A.
PETERSON, Nicholas, P.
GODDING, Benjamin, R.
Title: PATTERN CONTROLLER
Abstract:
A method for dispensing hot melt adhesive onto boxes includes receiving a user input, from a user interface, representing a desired performance condition. A controller receives a box sensor signal representing the presence of a box under a box sensor located near a dispenser. The controller determines a beginning and an end of the box as a function of the box sensor signal. The controller receives a position signal from a position sensor that represents a position of a pump motor and determines a calculated pumped volume as a function of the position signal. The controller produces a drive signal as a function of the beginning and end of the box, the calculated pumped volume, and the desired performance condition. The pump motor is driven to pump a hot melt adhesive to the dispenser as a function of the drive signal. The controller produces a dispense signal as a function of the desired performance condition, the beginning and end of the box, and the calculated pumped volume. The dispenser dispenses the hot melt adhesive to the box as a function of the dispense signal, using the dispenser.