Patent ID: 6403154
Filing Date: 2002-06-11
Classification: A47G,B31B,Y10T

Abstract:
A process of applying glue to sheet products comprising:advancing a series of duplicate sheet products in equally spaced intervals in sequence along a processing path through a glue applicator station and a drying run, and as each sheet product is advanced through the glue applicator station: placing the sheet product on a vacuum belt and drawing air through the vacuum belt to hold the product on the vacuum belt and advancing the vacuum belt and the sheet product in unison, while the sheet product is on the vacuum belt applying glue to the sheet product in spaced apart stripes extending along the path of the sheet product and leaving a belt engaging space on the sheet product without wet glue between the stripes, transferring the sheet product from the vacuum belt to the drying run, and as the sheet product moves through the drying run; engaging the sheet product on opposed surfaces of the sheet product with a pair of overlying conveyor belts with one of the belts engaging the sheet product on the belt engaging space and leaving the glue stripes uncovered for drying, and directing heated air about the stripes of the sheet product protruding from the conveyor belt to dry the glue.