Packaging for Containers with Nest Load Distribution
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Solution Overview
Problem
Existing packaging methods for containers like syringes and cartridges lead to contamination and breakage of flanges during stacking due to inadequate load distribution, resulting in limited stacking capacity and excessive use of packaging materials, as well as increased labor in opening and handling.
Innovation Solution
The introduction of a nest with additional supporting surfaces that distribute the load of stacked containers, preventing contact between the sealing cover and flanges, and allowing for nested tubs to reduce material usage and improve handling efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If global packagings are stacked without intermediate sheets, then packaging material usage is reduced, but the sealing cover contacts container flanges causing contamination and breakage
Solution Approach 1:
The nest acts as an intermediary element between the tub and containers, providing a second supporting surface that distributes load and prevents direct contact between the sealing cover and container flanges during stacking operations
Solution Approach 2:
The invention introduces a vertical dimension to load distribution by positioning the second supporting surface at a different height level than the first supporting surface, allowing load to be distributed through multiple levels rather than a single plane
2Reliability
If intermediate sheets are placed between stacked global packagings, then container flanges are protected from contact, but packaging material consumption increases and handling complexity increases
Solution Approach 1:
The nest combines multiple functions into a single integrated component: it provides receiving openings for containers, first supporting surface for load distribution, and second supporting surface for flange protection, eliminating the need for separate intermediate sheets
Solution Approach 2:
The nest serves multiple purposes simultaneously: it holds containers, distributes vertical loads, protects flanges from sealing cover contact, and enables stable stacking without requiring additional protective materials
3Productivity
If multiple global packagings are stacked, then transportation efficiency is improved, but load concentration causes sealing cover contact with flanges
Solution Approach 1:
The nest segments the load path into two distinct supporting surfaces at different levels, distributing the stacking load across multiple contact points rather than concentrating it on a single plane, thereby enabling higher stacking capacity without harmful load concentration
Data Source
AI summary
This packaging is for containers having each a cylindrical body and an upper surface located at or near an extremity of the body, said packaging comprising a nest, a tub and a sealing cover; the nest having a nesting structure to receive the containers and comprising at least one first supporting surface, to be received on at least one corresponding supporting surface of the tub, the tub having a bottom wall, lateral walls forming an upper opening, and a peripheral flange leveled with said upper opening, for the sealing of said sealing cover thereon; said nest includes at least one second supporting surface rigidly connected to said at least one first supporting surface and so positioned with respect to this at least one first supporting surface that this second supporting surface is located, when the nest is placed in the tub, at the level of said peripheral flange.