Adhesive Label Strip Joining Using One-Sided Tape
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Solution Overview
Problem
Existing joining apparatuses for adhesive label supporting strips require specialized double-sided tape, which can detach with the labels, causing interruptions in the labelling process.
Innovation Solution
A joining apparatus with two movable modules that use a common one-sided parcel tape to join supporting strips on their rear surfaces, avoiding label interference and ensuring continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a double-sided tape is used to join supporting strips, then the joining function is achieved, but the tape detaches with the labels causing interruptions
Solution Approach 1:
The joining function is segmented into two separate actions: first, the supporting strip is joined to itself (self-adhesion) using a one-sided adhesive tape applied to its back surface; second, the label is applied to the front surface. This segmentation prevents the joining tape from interfering with label application and eliminates detachment issues.
Solution Approach 2:
The adhesive function is extracted from the front surface (where labels are applied) and relocated to the back surface of the supporting strip. By applying the one-sided adhesive tape only to the back surface, the joining process is separated from the label application process, preventing tape detachment with the label.
2Reliability
If a special double-sided tape is used to stick to silicone-coated layer, then joining is achieved, but the tape complexity increases
Solution Approach 1:
A standard one-sided adhesive tape is used for multiple purposes: it provides both the joining function (adhering the supporting strip to itself) and the sealing function (closing the opening). This universal use of a common component eliminates the need for specialized double-sided tapes with complex specifications.
Solution Approach 2:
The invention uses a common, inexpensive one-sided adhesive tape (such as standard parcel tape) instead of expensive specialized double-sided tapes. The tape is applied temporarily during the joining process and serves its purpose effectively without requiring complex material specifications.
3Ease of operation
If the joining zone is exposed to external components, then access is easier, but sealing integrity decreases
Solution Approach 1:
The joining process is moved to the back surface dimension of the supporting strip, away from the front surface where labels are applied. By working on the back surface, the joining zone is naturally shielded from external components and label application activities, maintaining sealing integrity while allowing easy access for tape application.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus enables seamless joining of adhesive label supporting strips using a standard adhesive tape, maintaining high sealing integrity and preventing external interactions, thus ensuring continuous labelling machine operation.
Implementation Method 1
use a common one-sided parcel tape to join supporting strips on their rear surfaces
Data Source
AI summary
A joining apparatus for supporting strips of adhesive labels comprises two modules each of which in turn comprises a conveying element of the respective supporting strip; a cutting element configured to cut a respective supporting strip; a joining element that can be configured in a first operating position, in which it keeps in position a respective supporting strip and/or a fixing element, and in a second operating position in which it abuts against the joining element of the other module so as to join the supporting strips; a locking element that can be configured between an active position and a passive position. In particular, at least one joining element can be removed from the respective module to allow the introduction of the fixing element even when the two modules are in the neared configuration to one another. The subject matter of the present patent application is also a joining process for supporting strips of adhesive labels.