The bag is then sealed as it's pressed between rollers. Temperatures of both the hot air blower and inner heater bars are adjustable to accommodate different bag specifications.
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American-Newlong's (Indianapolis, IN) PBC-S automatic pinch-bag sealer uses a carrier chain to seal multiwall paper bags at speeds to 45/min. A hot air blower is used to reactivate preapplied hot melt.
The bag is then sealed as it's pressed between rollers. Temperatures of both the hot air blower and inner heater bars are adjustable to accommodate different bag specifications.