Patent ID: 8402721

Claim:
A container labeling machine gluing apparatus comprising: a rotatable glue roller being configured to apply glue to labels; a glue scraper configured to scrape glue off of said glue roller; a glue dispenser being configured to dispense glue onto said glue roller; a glue thickness adjuster being disposed downstream of said glue dispenser and being configured to adjust thickness of a glue layer on said glue roller prior to application of glue to labels; said glue thickness adjuster comprising a spring element and a glue contact element connected to said spring element; said spring element being configured to press said glue contact element toward said glue roller and into contact with glue on said glue roller; and said glue contact element being disposed upstream of remaining portions of its glue thickness adjuster in the direction of rotation of said glue roller, and said glue contact element points in the direction opposite the direction of rotation of said glue roller and away from remaining portions of said glue thickness adjuster.