Adhesive Tape Package with Folded Release Sheet

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Solution Overview

Problem

Conventional adhesive tape packages face difficulties in easy application and resource efficiency due to the challenges of releasing the thin and soft release sheet, leading to waste and inconvenience.

Innovation Solution

A pressure-sensitive adhesive tape package design where the release sheet is bent into portions with a predetermined bending line, allowing the adhesive tape to be sealed inside, facilitating easy exposure of the adhesive layer and reducing adhesive force, enabling easy application and resource savings by eliminating the need for individual packaging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the release sheet is made thin and soft, then it provides good release properties and comfort, but it becomes difficult to handle and release

Engineering Contradiction:

Improverelease propertiesVSAvoidease of release

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The release sheet is divided into a first portion and a second portion along a first bending line, creating a folded structure that improves handleability while maintaining the thin and soft properties needed for good release characteristics

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The adhesive tape is placed inside the folded release sheet structure, with the release sheet enclosing the tape in a nested configuration that facilitates easy handling and release

Inventive Principle:

Principle #7Nested doll (Nesting)

2Reliability

If a separate package is used to protect the adhesive tape, then hygienic and physical protection is provided, but the package becomes more complex and generates waste

Engineering Contradiction:

Improvehygienic protectionVSAvoidpackage structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The release sheet serves dual functions as both the release medium for the adhesive tape and the protective packaging structure, eliminating the need for a separate package while maintaining hygienic and physical protection

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The release sheet is designed to perform multiple functions: providing release properties, enabling easy handling through folding, protecting the adhesive tape hygienically, and serving as the final packaging structure

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If the adhesive tape is applied with the release sheet attached, then protection is maintained, but the adhesive layer cannot be exposed for application

Engineering Contradiction:

ImproveprotectionVSAvoidease of application

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The release sheet is pre-folded along a first bending line and the adhesive tape is pre-positioned inside the folded structure, so that when the user pulls the release sheet, the adhesive layer is automatically exposed in a convenient manner for immediate application

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS8616371B2Pressure-sensitive adhesive tape package

Publication Date: 2013.12.31 HISAMITSU PHARM CO INC

AI summary

A pressure-sensitive adhesive tape package is described in which while easiness in applying the adhesive tape is pursued, an effect of saving in resources can be obtained. The pressure-sensitive adhesive tape package accommodates an adhesive tape having a support and an adhesive agent layer provided on one surface of the support, and includes a release sheet releasably attached to the adhesive agent layer. Moreover, in the pressure-sensitive adhesive tape package, the release sheet is bent along a predetermined bending line with the adhesive tape, and the adhesive tape is sealed inside of the bent release sheet.