Diaper Side Panel Continuous Strip Segmentation

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Solution Overview

Problem

Existing methods for manufacturing side panels for diapers often result in waste of panel material and excessive use of fastening materials, as they do not efficiently separate and secure the panels to the chassis.

Innovation Solution

A continuous strip is constructed with distinct regions for securement and fastening sections, allowing for the simultaneous production of left and right side panels with minimized waste and fastening material, where the strip is separated into sets with alternating fastening sections to secure to the left and right sides of the diaper chassis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If traditional methods are used to manufacture side panels separately for left and right sides, then each panel can be individually customized, but waste of panel material and excessive use of fastening materials occurs

Engineering Contradiction:
Improvepanel material wasteVSAvoidmanufacturing process simplicity
Core Design Contradiction:
Loss of substanceVSEase of manufacture

Solution Approach 1:

The continuous strip is segmented into alternating first and second side panels along its length, with each panel type having distinct fastening section configurations. This segmentation allows efficient material utilization while maintaining the ability to produce both left and right side panels from a single continuous structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention merges the production of left and right side panels into a single continuous strip structure. By alternating panel types along the continuous strip and using a single securement section, the method combines what were previously separate manufacturing processes into one integrated system, eliminating waste and reducing fastening material usage.

Inventive Principle:
Principle #5Merging (Combining)

2Productivity

If separate manufacturing processes are used for left and right side panels, then each panel can be optimized for its specific side, but production efficiency decreases and material waste increases

Engineering Contradiction:
Improveproduction efficiencyVSAvoidfastening material usage
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The continuous strip serves multiple functions simultaneously: it produces both left and right side panels, provides securement sections for both panel types, and incorporates alternating fastening section configurations. This multi-functional approach increases production efficiency while minimizing the quantity of fastening materials required.

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

Solution Approach 2:

The continuous strip is constructed with pre-configured alternating panel types and pre-positioned fastening sections before separation. This preliminary arrangement of panel types and fastening materials eliminates the need for additional fastening material application during assembly, reducing overall material usage while maintaining high production efficiency.

Inventive Principle:
Principle #10Preliminary action

3Loss of substance

If a continuous strip is used to produce alternating left and right side panels, then waste is eliminated and fastening material is minimized, but the construction complexity of the strip increases

Engineering Contradiction:
Improvepanel material wasteVSAvoidstrip construction complexity
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The continuous strip incorporates local quality variations by providing different fastening section configurations at different locations along its length. First side panels have fastening sections configured for one orientation while second side panels have fastening sections configured for the opposite orientation, allowing efficient material utilization without requiring complex overall strip construction.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP2387980B2Method of making diaper side panels
Publication Date: 2019.01.09 AVERY DENNISON CORP
  • EP2387980B2 patent drawingFigure 1A~1F
  • EP2387980B2 patent drawingFigure 1G~1J
  • EP2387980B2 patent drawingFigure 2A~2D

AI summary

A method of making a plurality of diaper side panels from a continuous strip. The strip comprises a central region, a first lateral region, a second lateral region, a first set of fasteners anchored to the first lateral region, and a second set of fasteners anchored to the second lateral region. The strip is separated in the machine direction (M) to form a first set of the side panels and a second set of the side panels, so that the side panels each include a fastener from the first set and the side panels each include a fastener from the second set.