Multi-Point Peelable Lid Lifting for Tear-Resistant Removal

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Solution Overview

Problem

Traditional peelable container lids often tear or require reorientation due to strong adhesives, making them difficult to remove efficiently, especially in emergency situations like using automated external defibrillators (AEDs).

Innovation Solution

A peelable lid system with a handle and lifting mechanism that transfers pull force to multiple locations along the seal, allowing for easy peeling in various directions without reorienting the container.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If traditional peelable lids use strong adhesives to seal the container, then the seal strength is improved, but the lid becomes difficult to remove and may tear during peeling

Engineering Contradiction:

Improveseal strengthVSAvoidease of lid removal

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The lifting mechanism divides the peeling action into multiple segments by engaging at multiple attachment points distributed around the lid periphery. This segmentation allows the seal to be broken at multiple locations simultaneously, distributing the stress and preventing concentration of force that would cause tearing while maintaining strong overall seal integrity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The lifting mechanism introduces a vertical dimension to the peeling process by lifting the lid upward at multiple points before lateral removal. This multi-dimensional approach allows the seal to be broken in a controlled manner through vertical separation at multiple attachment points, reducing lateral stress and preventing lid tearing during the peeling operation.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Reliability

If the container is sealed with a peelable lid for secure containment, then the sealing reliability is improved, but the lid requires reorientation or difficult manipulation to remove efficiently

Engineering Contradiction:

Improvesealing reliabilityVSAvoidtime to remove lid

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The lifting mechanism segments the lid removal operation by engaging multiple attachment points around the periphery, allowing simultaneous breaking of the seal at multiple locations. This segmentation enables the lid to be removed in a single straightforward pulling motion without requiring reorientation, significantly reducing the time required for lid removal while maintaining reliable sealing.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The lifting mechanism performs preliminary action by pre-positioning multiple attachment points and preparing the lifting structure before the peeling operation begins. This preliminary configuration allows the user to simply pull the lid in one direction, with the mechanism automatically coordinating the breaking of seals at multiple points, eliminating the need for time-consuming reorientation or manipulation during the actual removal process.

Inventive Principle:

Principle #10Preliminary action

3Ease of operation

If multiple pull tabs are added to assist lid removal, then the ease of operation is improved, but the device complexity increases

Engineering Contradiction:

Improveease of lid removalVSAvoidlid structure complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The lifting mechanism merges multiple attachment points and lifting functions into a single integrated structure that works together as one unit. Instead of adding separate pull tabs at various locations, the lifting mechanism combines multiple engagement points and coordination functions into one unified system activated by a single pulling action, improving ease of operation without proportionally increasing complexity.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The lifting mechanism serves multiple functions simultaneously: it provides multiple attachment points for seal engagement, coordinates the breaking of seals at different locations, and enables lid removal in various orientations. This multi-functionality consolidates what would otherwise require multiple separate components or operations into a single universal mechanism, improving ease of operation while minimizing the increase in device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS12434046B2Peelable lid for container with multi-point peel system

Publication Date: 2025.10.07 PHYSIO CONTROL CORP

AI summary

A peelable lid system includes a peelable lid, a seal configured to seal the peelable lid to a container, a handle coupled to the peelable lid, and a lifting mechanism coupled to handle. The lifting mechanism can be coupled to the peelable lid at a plurality of attachment points, including at least one attachment point coupled to the peelable lid away from the handle. The lifting mechanism can be configured to lift at least one portion of the peelable lid near each of the plurality of attachment points.