METHOD AND DEVICE FOR EXTRUSION AND LABELLING OF PACKAGING TUBE Russian patent published in 2018 - IPC B29C47/02 B29C47/90 B29C63/06 B29C65/02

Abstract RU 2673520 C2

FIELD: plastic processing.

SUBSTANCE: invention relates to a method for extruding a packaging tube and labeling it. In addition, the invention relates to an extrusion / labeling device and to a packaging tube made by this method using this device. Method includes the following operations performed sequentially on the extrusion / labeling line: a) forming partially or fully tubular label (17) from film (12), b) introducing label (17) into calibration element (22), c) extruding tubular body (13) on the side of the concave surface of label (17), d) bringing the external surface of tubular body (13) into contact with the concave surface of label (17). Step (c) is performed in calibration element (22).

EFFECT: invention provides a package having a very strong adhesion between the label and the tubular body, in which there are no gaps on the surface of the tubular body.

27 cl, 8 dwg

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RU 2 673 520 C2

Authors

Keller Gerkhard

Tomasse Zhak

Dates

2018-11-27—Published

2015-04-15—Filed