Wrapping of rod-shaped articles in the tobacco processing industry

The device and method enhance the coating process for rod-shaped articles with multiple segments by using hot melt adhesive to securely wrap material strip sections, addressing quality and speed challenges in existing technologies.

DE102025104237A1Undetermined Publication Date: 2026-06-25KORBER TECHNOLOGIES GMBH
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Patent Information

Application Number
DE102025104237P0
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-20
Filing Date
2025-02-05
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing technologies face challenges in achieving high, consistent product quality during the coating of rod-shaped article groups, particularly those with multiple segments, at high process speeds, especially when using surface-rough and/or hydrophobic materials.

Method used

A device and method utilizing conveying elements, a material strip conveyor, cutting device, and hot melt adhesive application to wrap material strip sections around rod-shaped articles, ensuring secure attachment and tight winding closure through a rolling process.

Benefits of technology

Enables reliable attachment of surface-rough and hydrophobic material strip sections to rod-shaped article groups, achieving improved product quality and durability in the coating process.

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Abstract

The invention relates, inter alia, to a device for encasing rod-shaped articles of the tobacco processing industry, wherein conveying elements (41, 42, 43, 45), in particular conveying drums (41, 42, 43, 45), are provided for the transverse axial conveying of transversely axially arranged rod-shaped articles, wherein a material strip conveying device for conveying an endless or quasi-endless material strip (20) and a cutting device (30) for cutting the endless or quasi-endless material strip (20) into material strip sections are provided, and wherein a feeding device (32) for feeding the cut material strip sections to the transversely axially conveyed rod-shaped articles is provided, wherein a hot melt application element (24) for applying hot melt to the conveyed material strip (20) is provided and / or a hot melt application element (24) for applying hot melt, in particular liquid hot melt or Hot melt foil,is provided for the cut material strip sections and / or a hot melt application device (24) is provided for applying hot melt glue to the rod-shaped articles.
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Citation Information

Patent Citations

  • Hollow tube production for the tobacco processing industry

    DE102018121548A1

  • Glue application unit for a strip of wrapping material

    DE202012005938U1

  • Method and arrangement for bonding a wrapper for smoking articles or filters

    DE2816165A1

  • device for connecting rod-shaped tobacco articles and filter plugs

    DE3702915C2

  • cutting device

    DE3918137C2