Curved-Edge Flexible Bottle Label for Straight Front Appearance

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Solution Overview

Problem

Existing flexible labels on bottles have side edges that appear bent in a front view due to straight-line side edges being molded onto irregularly curved bottle surfaces, leading to concerns about product quality and decreased sales.

Innovation Solution

The flexible label features a flexible base with curve-shaped side edges in the width direction, allowing orthographic projection as straight lines in a vertical plane, combined with a pattern layer and textured structure to enhance appearance and comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If straight-line side edges are used in injection molded soft rubber labels, then manufacturing is simple, but the side edges bend and deform along the curved contour of the bottle, creating an illusion of deformation that affects product quality perception

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidlabel shape accuracy
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The side edges of the flexible base are designed with curve-shaped contours that match the curved contour of the bottle body. This curvature design allows the label to conform to the bottle's shape without creating visual deformation effects, resolving the contradiction between manufacturing simplicity and label shape accuracy.

Inventive Principle:
Principle #14Spheroidality (Curvature)

2Ease of operation

If soft rubber completely covers the outer wall of the bottle, then grip comfort is improved, but the label structure becomes more complex and material consumption increases

Engineering Contradiction:
Improvegrip comfortVSAvoidlabel structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The flexible base serves multiple functions: it provides grip comfort by covering the outer wall, acts as a substrate for the pattern layer, and conforms to the bottle's curved contour. This multi-functionality allows complete coverage without proportionally increasing structural complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Shape

If the flexible base has curve-shaped side edges to match the bottle contour, then the visual appearance is improved, but the pattern application process becomes more complex

Engineering Contradiction:
Improvelabel appearanceVSAvoidpattern application complexity
Core Design Contradiction:
ShapeVSEase of manufacture

Solution Approach 1:

The flexible base is pre-formed with the curved contour shape before pattern application. This preliminary shaping allows subsequent pattern layers to be applied directly to the pre-formed curve, reducing the complexity of the overall manufacturing process while maintaining the desired visual appearance.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12548473B2Flexible label and bottle
Publication Date: 2026.02.10 TECH RESPONSE INC
  • US12548473B2 patent drawing
  • US12548473B2 patent drawing

AI summary

A flexible label and a bottle, related to the technical field of packaging labels. The flexible label includes a flexible base arranged on an outer wall of a bottle body and a pattern layer arranged on an outer surface of the flexible base; two side edges of a width direction of the flexible base are configured to curve-shaped to make the two side edges of the flexible base arranged on the bottle body are orthographically projected as straight lines in a vertical plane. The present disclosure solves the problem in the prior art that the side edge of the label becomes bent in the length direction in a front view, affecting the user's experience and leading to decreased sales.