Protective Cover Adhesive Layer Secure Attachment

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Solution Overview

Problem

Existing protective covers for electronic devices lack a secure adhesive, are not form-fitting, and often add bulk or obstruct device functionality, failing to provide both protection and aesthetics.

Innovation Solution

A protective cover with a surface layer of vinyl, plastic, silicone, or acrylic, combined with a pressure-sensitive adhesive for secure attachment, and contoured for specific device shapes, ensuring flexibility, tear resistance, and minimal thickness without adding bulk, along with customizable designs and apertures to maintain functionality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a protective cover is made from stretchable plastic without adhesive, then the cover can be easily applied, but the cover moves relative to the device and does not provide secure protection

Engineering Contradiction:
Improveease of applicationVSAvoidsecure attachment
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent combines the protective cover and adhesive layer into a single integrated unit. The adhesive layer is applied directly to the back surface of the protective cover, merging two previously separate components (cover and adhesive) into one unified product that maintains both ease of application and secure attachment.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The adhesive layer acts as an intermediary between the protective cover and the electronic device. This intermediate substance enables secure bonding while allowing the cover itself to remain thin and flexible, resolving the contradiction between secure attachment and minimal bulk.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Strength

If a protective cover is made thick for durability, then the cover provides better protection, but the bulk of the electronic device increases substantially

Engineering Contradiction:
ImprovedurabilityVSAvoidbulk of device
Core Design Contradiction:
StrengthVSVolume of moving object

Solution Approach 1:

The patent employs a thin film protective cover made from materials such as vinyl, plastic, silicone, rubber, or acrylic. These flexible thin films provide adequate protection against minor damage while maintaining a sleek profile that does not substantially increase device bulk.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The protective cover system combines multiple materials with complementary properties: a thin protective outer layer for durability and an adhesive layer for secure attachment. This composite structure achieves both protection and minimal bulk through material optimization.

Inventive Principle:
Principle #40Composite materials

3Shape

If a protective cover is made form-fitting for aesthetics, then the cover is pleasing to the eye, but the cover may obstruct device functionality such as mouthpiece and earpiece

Engineering Contradiction:
Improveform-fitting appearanceVSAvoiddevice functionality
Core Design Contradiction:
ShapeVSEase of operation

Solution Approach 1:

The protective cover is designed with varying properties in different regions. Areas requiring functionality (such as mouthpiece and earpiece regions) have local modifications like openings or reduced coverage, while other areas maintain full protective coverage. This localized differentiation preserves both aesthetics and functionality.

Inventive Principle:
Principle #3Local quality

4Adaptability or versatility

If a protective cover is made without adhesive layer, then the cover can be easily removed and repositioned, but the cover does not provide secure attachment and moves relative to the device

Engineering Contradiction:
ImproverepositionabilityVSAvoidsecure attachment
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The adhesive layer uses pressure-sensitive adhesive technology that allows for initial repositioning through parameter changes in adhesion strength. The adhesive provides temporary flexibility for adjustment but ultimately achieves secure attachment, resolving the contradiction between repositionability and secure bonding.

Inventive Principle:
Principle #35Parameter changes

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 solution provides a durable, customizable, and form-fitting protective cover that securely attaches to electronic devices without obstructing functionality, offering protection against water and physical damage while maintaining aesthetics.

Implementation Method 1

an adhesive layer for affixing said protective cover to the electronic device

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS7529364B2Protective cover for electronic device
Publication Date: 2009.05.05 SKINIT ACQUISITION LLC
  • US7529364B2 patent drawing
  • US7529364B2 patent drawing
  • US7529364B2 patent drawing

AI summary

A protective cover for an electronic device including a) a surface layer including vinyl, plastic, silicone, acrylic, rubber or a combination thereof and b) an adhesive layer for affixing the protective cover to the electronic device. The protective cover may further include a release liner to prevent the adhesive layer from engaging surfaces when the protective cover is not in use, for example, when the protective cover is not affixed to an electronic device.