Nestable Pallet With Optional Welded Bottom
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Solution Overview
Problem
Current pallet designs require separate molds for different weights and strengths, increasing production costs and limiting flexibility in meeting varying load requirements.
Innovation Solution
A nestable pallet design with an optional welded bottom, featuring a reinforced upper deck and hollow feet that can be secured with a vibration-welded or adhesively bonded injection molded sheet, allowing for two variations: a lighter pallet without the reinforcement and a stronger, stiffer pallet with it.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single pallet design is used for all applications, then manufacturing cost is reduced, but the pallet cannot meet varying load requirements for different goods
Solution Approach 1:
The pallet design incorporates an optional welded bottom that can be added or omitted based on load requirements. This dynamic configuration allows the same basic pallet structure to adapt to different strength requirements - lightweight versions for light goods and reinforced versions for heavy loads, eliminating the need for multiple mold designs while maintaining versatility
Solution Approach 2:
The invention changes the structural parameter of the pallet by adding or removing the welded bottom component. This parameter change allows the same pallet design to provide different strength levels - the welded bottom adds rigidity and load-bearing capacity when needed, while its absence keeps the pallet lightweight for lighter applications
2Adaptability or versatility
If separate molds are used for different pallet weights and strengths, then load requirement flexibility is improved, but manufacturing cost increases
Solution Approach 1:
The pallet is segmented into modular components: the basic pallet structure and the optional welded bottom. This segmentation allows the core pallet design to remain unchanged while the welded bottom can be selectively added to create different strength versions, eliminating the need for separate molds for light and heavy-duty pallets
Solution Approach 2:
The single pallet design serves multiple functions by accommodating different load requirements through the optional welded bottom. The same basic pallet structure can function as either a lightweight pallet or a heavy-duty pallet depending on whether the welded bottom is present, providing universal applicability across different transportation needs
3Strength
If a welded bottom is added to the pallet, then pallet strength and stiffness are improved, but pallet weight increases
Solution Approach 1:
The welded bottom is applied locally only where additional strength is needed - at the bottom of the pallet structure. This localized reinforcement provides the necessary strength and stiffness improvements without adding weight throughout the entire pallet, allowing selective strengthening only in critical areas
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables a single pallet design to be produced in two weight and strength variations, optimizing cost efficiency and meeting diverse load requirements by providing a lightweight option without the welded bottom and a stiffer option with it.
Implementation Method 1
The planar member is then secured to the outer ends of the ribs, such as by vibration welding or hot plate welding
Implementation Method 2
The planar member is then secured to the outer ends of the ribs, such as by vibration welding or hot plate welding
Data Source
AI summary
A nestable pallet includes an upper deck from which a plurality of feet extend downwardly. The upper deck includes an upper planar member and cross-ribs extending downwardly therefrom. The pallet is sturdy yet light weight and can be optionally provided with a reinforcement sheet secured to the lower ends of the ribs to provide a stronger, stiffer pallet.