Multi-layer Composite Label Production with Lattice Take-off
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Solution Overview
Problem
The production of multi-sheet labels with an excess length on the uppermost sheet is labor-intensive and requires many handling steps, making it inefficient and costly.
Innovation Solution
A method involving a multi-layer composite where material webs are laid on a carrier web, imprinted, and punched to create labels with a laterally projecting cover sheet, allowing for efficient production with fewer handling steps and maintaining printing quality across all sheets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If individual sheets are printed and punched separately before assembly, then printing quality and precision are maintained, but the number of handling steps and labor intensity increase significantly
Solution Approach 1:
The patent merges multiple separate processing steps (printing, punching, assembling) into a single integrated operation. Material webs are printed and punched while still in continuous form on the carrier web, then automatically assembled in one workflow. This eliminates the need for separate handling of individual sheets at each stage, maintaining printing quality through controlled printing while dramatically improving productivity by reducing the number of discrete operations from multiple separate steps to an integrated process.
2Manufacturing precision
If multiple handling steps are used for punching and printing individual sheets, then precise formatting is achieved, but production costs and labor requirements increase
Solution Approach 1:
The patent performs preliminary actions on continuous material webs before they are cut into individual sheets. Printing and punching are executed on the continuous carrier web in advance, allowing for precise formatting control through automated positioning and registration systems. The material webs are prepared with precise formatting markers and alignment features during the continuous processing stage, eliminating the need for costly manual or semi-automatic formatting operations on individual sheets later. This preliminary formatting approach maintains precision while reducing production costs by enabling fully automated assembly.
3Manufacturing precision
If sheets are assembled with precise fit before adhesive attachment, then label quality is improved, but the number of work steps and handling operations increase
Solution Approach 1:
The patent introduces the carrier web as an intermediary element that facilitates precise assembly without requiring complex handling operations. Individual label sheets are never handled separately during assembly; instead, they remain attached to the carrier web which serves as a temporary support and positioning medium. The carrier web maintains the relative positions of all sheets through its continuous structure, enabling precise assembly through simple web handling rather than complex sheet-by-sheet manipulation. After assembly, the completed labels are released from the carrier web in bulk, dramatically simplifying the process while maintaining high assembly precision.
Data Source
AI summary
A method produces labels having multiple sheets glued together in a first surface region of the basic label and lying loosely on top of each other in a second surface region. After printing an anti-adhesion layer in first surface regions and a frame region, webs are applied and printed to produce lowermost label sheets. An anti-adhesion layer is printed onto the last web in third surface regions lying between the first and/or second surface regions and the frame region. After punching the material web between the third surface regions and the first and/or second surface regions, an outermost web is applied and printed. By punching a frame through all webs, a lattice take-off is severed, simultaneously forming an outermost sheet section in each third surface region projecting laterally beyond the lowermost label sheets.