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CARTON BLANK HAS A MODIFIED GLUE FLAP TO PREVENT EXCESS GLUE FROM BEING APPLIED TO THE FLAP
CARTON BLANK HAS A MODIFIED GLUE FLAP TO PREVENT EXCESS GLUE FROM BEING APPLIED TO THE FLAP
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机译:纸箱毛坯有改良的挡水板,可防止多余的胶被涂在挡水板上
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摘要
A modified glue flap of a folding carton blank for preventing glue from being squeezed out during the step of adhering the glue flap to the opposite end panel. The face of the glue flap engaged by the glue back-up wheel includes a protrusion near the trailing edge of the flap. Engagement of the protrusion by the back-up wheel causes the glue wheel to skip the trailing area of the flap. The absence of glue in this area prevents glue from being squeezed out when sealing pressure is subsequently applied to the glue flap and the opposite end panel. The protrusion may take the form of an embossed ridge, forming a channel on the opposite side of the protrusion for receiving any excess glue which would have been squeezed out.
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