Expandable Bulk Material Shipping Container with Retractable Top
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bulk material shipping containers are inefficient, requiring multiple people to fill and empty, are prone to damage, and waste space during transport, with plastic construction leading to high replacement costs and environmental impact.
Innovation Solution
A bulk material shipping container with a pallet-supported bottom and top compartment that expands for increased capacity, allowing single-person operation, repairability, and efficient stacking, made from stainless steel or galvanized steel with a wood pallet, and optionally using a plastic bag for material containment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the container is made from plastic, then it is lightweight and inexpensive to manufacture, but it is prone to damage and requires complete section replacement when damaged
Solution Approach 1:
The container uses a composite construction combining wood pallet base with galvanized steel or stainless steel compartments and lids. This composite material approach provides the durability and damage resistance of metal while maintaining reasonable manufacturing costs, resolving the contradiction between inexpensive plastic and durable metal construction.
2Quantity of substance
If the top compartment is fixed in expanded position, then maximum storage capacity is available, but shipping space is wasted when container is empty or partially full
Solution Approach 1:
The top compartment is designed to be dynamically adjustable between expanded and retracted positions using support assemblies with pins and channels. This dynamic configuration allows the container to optimize storage capacity when full and minimize shipping space when empty or partially full, resolving the contradiction between maximum capacity and space efficiency.
Solution Approach 2:
The container is segmented into a fixed bottom compartment and a movable top compartment that can be independently positioned. This segmentation allows flexible configuration where the top compartment can be expanded for maximum storage or retracted for compact shipping, eliminating space waste while maintaining storage capability.
3Ease of operation
If the cover is readily removable and attached by zip ties, then the container is easy to open and close, but the cover can be easily lost, damaged, and the container is less weather resistant
Solution Approach 1:
The fastening function is extracted from the lid itself and implemented through separate support assemblies with pins and channels that secure the lid to the compartment. This extraction provides more reliable weather sealing while maintaining ease of operation, as the lid remains securely attached during transport but can be easily removed when needed.
4Loss of substance
If two containers are stacked on top of each other when disassembled, then they fit in conventional shipping containers, but shipping space is wasted
Solution Approach 1:
The collapsible top compartment allows containers to be dynamically configured in expanded or collapsed states. When stacked for shipping, containers can be collapsed to reduce height and optimize space utilization, potentially allowing three or more containers to be stacked instead of just two, thereby reducing shipping space waste while maintaining simple stacking configuration.
Data Source
AI summary
A bulk material shipping container in one embodiment including a pallet, a bottom compartment mounted on the pallet, a top compartment mounted on the bottom compartment and movable from a retracted position relative to the bottom compartment to an expanded position relative to the bottom compartment, a plurality of top compartment supporting assemblies configured to support the top compartment in the expanded position relative to the bottom compartment, and configured to release the top compartment from the expanded position to enable the top compartment to move downwardly into the retracted position, a material unloading assembly supported by the bottom compartment and the pallet, a material loading assembly attached to the top compartment, and an extension assembly attached to the top compartment and configured to enable a loader to move the top compartment upwardly from the retracted position to the expanded position. The bulk material shipping container is configured to be used with and without a bag for holding the materials inside the top and bottom compartments.