Adhesive Tape Cartridge Reseparable Adhesion Mechanism

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Solution Overview

Problem

Adhesive tape cartridges face issues with mistaken adherence or sticking due to exposure of the adhesive layer when the separation material layer is peeled, making handling difficult and inconvenient.

Innovation Solution

Incorporating a reseparably adhering means to temporarily hold the affixing tape, preventing it from sticking to other areas during handling, and allowing for easy setup when mounted to a tape printer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the separation material layer is peeled from the adhesive tape to generate affixing tape, then the adhesive layer becomes exposed for use, but the adhesive layer may mistakenly self-adhere or stick to other areas of the cartridge

Engineering Contradiction:
Improvehandling performanceVSAvoidmistaken adherence
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

A release sheet is introduced as an intermediary component between the adhesive layer and other cartridge surfaces. The release sheet prevents mistaken adherence by providing a non-stick surface during handling and storage, while allowing easy separation when needed for actual use.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The release sheet is pre-applied to areas where the adhesive layer might mistakenly adhere before handling occurs. This preliminary protective action prevents the harmful sticking effect from occurring in the first place, eliminating the need for corrective actions later.

Inventive Principle:
Principle #9Preliminary anti-action

2Reliability

If the adhesive layer is exposed after peeling the separation material layer, then the affixing tape is ready for use, but the cartridge becomes difficult to handle due to accidental sticking

Engineering Contradiction:
Improveadhesive functionalityVSAvoidcartridge handling
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The release sheet serves as a mediator that maintains the adhesive layer's functionality while preventing unwanted interactions with the cartridge structure during handling and storage operations.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The release sheet is strategically placed only in specific areas where mistaken adherence is likely to occur, such as contact surfaces within the cartridge housing, while leaving the adhesive layer's functional areas accessible for intended use.

Inventive Principle:
Principle #3Local quality

3Device complexity

If no protective measure is provided for the exposed adhesive layer, then the cartridge structure remains simple, but the user experiences inconvenience due to mistaken sticking

Engineering Contradiction:
Improvecartridge structureVSAvoiduser convenience
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The release sheet is implemented as a simple, inexpensive, single-use protective component that is discarded after use. This approach provides effective protection against mistaken adherence without requiring complex, reusable, or expensive protective mechanisms.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The release sheet is a simple intermediary element that can be easily integrated into the cartridge structure, providing protective functionality without significantly increasing overall device complexity or manufacturing cost.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This solution improves handling performance and user convenience by preventing accidental sticking and simplifying the preparation process for generating the affixing tape roll.

Implementation Method 1

an adhering means for reseparably adhering a tip end and nearby area of the affixing tape generated by the peeling of the separation material layer by the peeling part

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentEP2845741B1Adhesive tape cartridge
Publication Date: 2019.08.28 BROTHER KOGYO KK
  • EP2845741B1 patent drawingFigure 1
  • EP2845741B1 patent drawingFigure 2
  • EP2845741B1 patent drawingFigure 3

AI summary

[object] To prevent mistaken adherence or sticking of the affixing tape, thereby improve the handling performance of the overall cartridge. [Solving means] The adhesive tape cartridge TK comprises an first roll R1 wound an print-receiving adhesive tape 150, a peeling part 13 configured to peel a separation material layer 151 from the print-receiving adhesive tape 150' fed out from the first tape roll R1, and thereby to generate an affixing tape 150", a third roll R3 configured to wind the separation material layer 151 peeled, a connecting arm 21 that respectively rotatably supports the first roll R1 and the third roll R3, a release processing part 70 that predetermined release processing has been performed and is configured to reseparably adhere the affixing tape 150" with print generated by the peeling of the separation material layer 151.