Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1995-02-27
1996-01-23
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53141, 533851, 53572, 141114, B65B 4336, B65B 4326, B65B 6100
Patent
active
054857147
ABSTRACT:
A method of loading disks includes first and second air-jet nozzles and a continuous flow of air. The first air jet nozzle is directed into the opening of the flexible bag to initiate opening the bag at a localized region. The continuous flow is designed to fully open the bag by taking advantage of the localized opening. The second air jet nozzle improves the reliability of the opening process by striking a surface of the flexible bag to overcome the continuous flow. Impinging the bag in this manner tends to remove any wrinkles at the opening, so that when the second jet is terminated the continuous flow fully opens the bag. Preferably, the second air jet flow is ionized, thereby neutralizing any static charge that is stored by the bag. Typically, the first and second air jet flows do not overlap in time.
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