Linerless label and method for pasting linerless label
The linerless label with a low-friction, high-strength adhesive layer is transferred and activated in a controlled manner to prevent wrinkles and ensure strong adhesion, addressing the transfer issues in label affixing devices.
WO2026141594A1PCT designated stage Publication Date: 2026-07-02FUJI SEAL INTERNATIONAL INC
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Patent Information
- Application Number
- PCT/JP2025/045677
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-12-27
- Filing Date
- 2025-12-25
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Wrinkles form on linerless labels during transfer from a first transport unit to a second transport unit in label affixing devices due to the adhesive layer's interaction with the transport units.
Method used
A linerless label with an adhesive layer that has a static friction coefficient of 2.0 or less in its unactivated state and an adhesive strength of 2.0 N/25 mm or more, activated by light energy, is transported by a first unit in contact with the adhesive layer and a second unit in contact with the opposite side, with activation occurring during transfer.
Benefits of technology
Suppresses wrinkles during transfer and ensures effective adhesion to substrates by maintaining adhesive strength, facilitating easy handling and precise application.
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Smart Images
Figure JP2025045677_02072026_PF_FP_ABST
Abstract
A linerless label (3) includes: a base material layer (10); and an adhesive layer (30) that is provided on the rear surface of the base material layer and is made of a material activated by irradiation with optical energy. The static friction coefficient of the adhesive layer in a state where the adhesive layer is not activated is 2.0 or less, and the adhesive strength of the adhesive layer is 2.0 N / 25 mm or more.
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