Flip Top Closure Ribs Structural Integrity

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Solution Overview

Problem

Existing flip top closures face challenges in maintaining structural integrity and resisting deformation, particularly at the front and latching mechanism areas, which affects their functionality and cost-effectiveness.

Innovation Solution

Incorporating a plurality of ribs extending from the top panel between the inner and outer annular walls, strategically positioned near the front and latching mechanism, to provide structural support while reducing material volume and costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If the closure uses a thin-walled structure to reduce material costs, then material volume and costs are reduced, but structural integrity and resistance to deformation deteriorate

Engineering Contradiction:

Improvematerial volumeVSAvoidstructural integrity

Core Design Contradiction:

Loss of substanceVSStrength

Solution Approach 1:

The closure wall is segmented into multiple rib structures that divide the wall into sections. These ribs extend radially from the inner wall to the outer wall, creating a segmented framework that distributes mechanical loads and prevents overall wall deformation while using less material than a solid thick wall would require

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The rib structures are strategically positioned at specific locations where structural support is most needed, such as near the latching mechanism and front of the closure. This localized reinforcement provides enhanced strength at critical areas without uniformly increasing material usage throughout the entire closure

Inventive Principle:

Principle #3Local quality

2Ease of manufacture

If the closure wall is made thinner to reduce costs, then manufacturing costs are reduced, but resistance to pivotal rotation deteriorates

Engineering Contradiction:

Improvemanufacturing costVSAvoidresistance to pivotal rotation

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The solution transitions from a two-dimensional thin wall concept to a three-dimensional ribbed structure. The ribs add vertical dimensionality to the wall construction, creating a lattice-like framework that provides rotational resistance through geometric configuration rather than through increased material thickness

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Quantity of substance

If material volume is reduced to lower costs, then cost-effectiveness is improved, but structural support deteriorates

Engineering Contradiction:

Improvematerial volumeVSAvoidstructural support

Core Design Contradiction:

Quantity of substanceVSStrength

Solution Approach 1:

The closure employs a composite structural approach where multiple rib elements work together as an integrated system. The ribs are positioned and dimensioned to create a composite framework that provides enhanced structural support equivalent to or greater than solid walls, while using significantly less material volume

Inventive Principle:

Principle #40Composite materials

Data Source

PatentUS10843849B1Flip top dispensing closure

Publication Date: 2020.11.24 SILGAN WHITE CAP LLC

AI summary

A includes a body and a top structure coupled to the body. The body includes a top panel and two annular walls extending in a same direction from a surface of the top panel. One or more ribs extend from the top panel between the inner annular wall and the outer annular wall.