Retail Shipper Container with Detachable Access Panel

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Solution Overview

Problem

Existing retail shipper display containers face issues with easy access panel removal leading to premature rupture, weakened container sides causing instability when stacked, and aesthetically unpleasing rough edges after access panel removal.

Innovation Solution

A container design featuring a detachable portion with multiple lines of weakness allowing easy conversion from a shipper to a display configuration, incorporating a divider to maintain panel integrity and a leverage structure for easy removal, while hiding rough edges for a smoother appearance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the access panel is made easier to remove by weakening the line of weakness, then the ease of operation is improved, but the reliability deteriorates as the access panel may prematurely rupture

Engineering Contradiction:
Improveease of access panel removalVSAvoidaccess panel integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The access panel is segmented from the container body by multiple lines of weakness, allowing it to be removed as a separate component. This segmentation enables easy removal while the remaining container structure maintains its integrity through the distributed weakness lines that prevent premature rupture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The lines of weakness are pre-formed during manufacturing, creating predetermined failure paths that guide the removal process. This preliminary action ensures that the access panel can be easily removed along these pre-established lines without risking premature rupture of the container structure.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the line of weakness is strengthened to prevent premature rupture, then the reliability is improved, but the ease of operation deteriorates as tool usage may be required

Engineering Contradiction:
Improveaccess panel integrityVSAvoidease of access panel removal
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The lines of weakness are strategically positioned at specific locations where controlled separation is needed. These localized weak points allow easy removal at the access panel boundaries while the rest of the container structure maintains full strength and integrity.

Inventive Principle:
Principle #3Local quality

3Reliability

If heavier and/or thicker materials are used to prevent weakened panels, then the reliability is improved, but the manufacturing cost increases substantially

Engineering Contradiction:
Improvecontainer structural integrityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The container is divided into a permanent structure and a removable access panel. This segmentation allows the main container to use standard thickness materials while the access panel can be separately optimized for its specific function, reducing overall material costs while maintaining reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The access panel is designed to be removable and replaceable. After use, the panel can be discarded or recovered without affecting the integrity of the main container structure, allowing the container body to be manufactured at lower cost using standard materials.

Inventive Principle:
Principle #34Discarding and recovering

4Adaptability or versatility

If the access panel is removed to enable display configuration, then the adaptability is improved, but a rough edge is formed that is aesthetically unpleasing

Engineering Contradiction:
Improvecontainer configuration flexibilityVSAvoidsurface finish quality
Core Design Contradiction:
Adaptability or versatilityVSShape

Solution Approach 1:

The access panel is extracted as a separate removable component. When removed, it takes with it the rough edges that would otherwise remain on the container. This extraction allows the main container to maintain a clean, aesthetically pleasing surface while still providing access functionality when needed.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS7992716B2Retail shipper display container
Publication Date: 2011.08.09 PACKAGING CORPORATION OF AMERICA
  • US7992716B2 patent drawing
  • US7992716B2 patent drawing
  • US7992716B2 patent drawing

AI summary

A container comprising a front panel, a first back panel, a second back panel, a first side panel bridging the front panel and the first back panel, a second side panel bridging the front panel and the second back panel, a top portion, and a bottom portion. The front panel, first and second back panels, first and second side panels, top portion, and bottom portion define an interior of the container. The container further comprises a divider extending from the first back panel into the interior of the container and attached to the front panel. The container further comprises a detachable portion comprising a removable section of the top portion, a removable section of the front panel, and a removable section of the divider. The detachable portion is separable from the container along a plurality of lines of weakness.