Carton Carrier Aperture Matrix Offset Centering

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Solution Overview

Problem

Existing carton designs for packaging multiple articles are inefficient in terms of material usage and security, particularly when it comes to securely holding and transporting large weights of articles.

Innovation Solution

The design incorporates a main panel with a plurality of article retention structures, featuring apertures arranged in rows and columns to form a rectangular array, with tabs that yield out of the plane to engage articles securely. This design also includes a reinforcing panel hingedly connected to the main panel, forming a two-ply structure for enhanced stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If tabs are struck from the panel and displaced out of the plane to engage articles, then article retention is improved, but the complexity of the carrier structure increases

Engineering Contradiction:
Improvearticle retentionVSAvoidcarrier structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The carrier structure is segmented into multiple functional elements: the main panel, discrete tabs struck from the panel, and reinforcing panels. This segmentation allows each element to perform its specific function - the tabs provide article engagement while the reinforcing panels provide structural support, thereby improving reliability without unnecessarily increasing overall complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The carrier employs a composite structure combining a main panel with reinforcing panels that are hingedly connected. This composite approach strengthens the carrier's overall structure to handle large weights of articles while maintaining the tab-based engagement mechanism, resolving the contradiction between retention reliability and structural complexity

Inventive Principle:
Principle #40Composite materials

2Strength

If a reinforcing panel is added to enhance strength for handling and transportation, then the strength is improved, but the material usage increases

Engineering Contradiction:
Improvehandling strengthVSAvoidmaterial usage
Core Design Contradiction:
StrengthVSLoss of substance

Solution Approach 1:

Rather than uniformly thickening the entire carrier panel, the invention applies reinforcing panels only at specific locations where additional strength is needed for handling and transportation. This localized reinforcement approach increases strength where required while minimizing overall material usage compared to uniform thickening

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The reinforcing panels are connected to the main panel through hinge lines, creating a dynamic structure that can flex and adapt during handling. This dynamic connection allows the reinforcing panels to provide strength during transport while minimizing material usage by allowing controlled movement rather than rigid attachment

Inventive Principle:
Principle #15Dynamics

3Productivity

If the carrier is designed for automated application using packaging machines, then productivity is improved, but the precision of aperture arrangement must be high

Engineering Contradiction:
Improveautomated application speedVSAvoidaperture arrangement precision
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The carrier design incorporates standardized aperture arrangements and tab configurations that can be universally applied to different article types and packaging scenarios. This universality allows the same carrier template to be used across multiple applications, improving productivity through automated application while reducing the need for highly precision-critical custom aperture arrangements for each specific use case

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

Data Source

PatentUS20250136342A1Article carrier and blank therefor
Publication Date: 2025.05.01 WESTROCK PACKAGING SYSTEMS LLC
  • US20250136342A1 patent drawing
  • US20250136342A1 patent drawing
  • US20250136342A1 patent drawing

AI summary

An article carrier for packaging articles has a main panel that has article retention structures each having a receiving aperture defined at least in part by an aperture or opening defined through the main panel. The receiving apertures are arranged in rows and columns to form a matrix or an array such that the receiving apertures include four corner apertures. The main panel defines a first notional footprint. The arrangement of the receiving apertures defines a second notional footprint. The first notional footprint defines a first footprint center. The second notional footprint defines a second footprint center. The first footprint center is offset from the second footprint center. Other examples include a set of article carriers and a set of connected blanks for forming article carriers.