Expandable Fixative Mail Packaging for Jointless Item Securing
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Solution Overview
Problem
Conventional corrugated cardboard boxes require additional assembly materials and time, leading to increased costs and waste, and lack efficient mechanisms to secure items during shipment.
Innovation Solution
A jointless container formed from a single panel of corrugated cardboard with an integral fixative platform panel and expandable slit pattern, allowing secure holding of objects without the need for additional fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manufacturer's joints are used to assemble corrugated cardboard boxes, then the boxes can be formed from separate panels, but assembly time and material cost increase due to additional glue, tape, or staples
Solution Approach 1:
The patent merges multiple separate box components (sides, ends, bottom, and securing elements) into a single integrated corrugated cardboard blank. The blank includes integrated flaps that form sides and ends, a bottom panel, and securing flaps with die-cut patterns, all connected and designed to assemble into a complete box without requiring external fasteners, glue, or tape.
Solution Approach 2:
The single blank is segmented into functional zones with score lines that define fold lines for sides, ends, and bottom panels. The securing flaps are segmented with die-cut patterns creating interlocking features that engage with corresponding features on opposite flaps, enabling assembly through folding and interlocking rather than adhesives.
2Ease of manufacture
If manufacturer's joints with additional materials (glue, tape, staples) are used, then boxes can be assembled, but material cost increases
Solution Approach 1:
The patent combines all box-making functions into a single corrugated cardboard blank, eliminating the need for separate fasteners, adhesives, or sealing materials. The blank includes integrated securing flaps with die-cut patterns that create self-contained assembly features, reducing material requirements to essentially just the blank itself.
Solution Approach 2:
The box blank is designed to be self-assembling through its own structural features. The die-cut patterns on securing flaps create interlocking mechanisms that engage with corresponding features on opposite flaps, allowing the box to assemble itself through folding and interlocking without requiring external materials or complex assembly processes.
3Ease of manufacture
If conventional box designs are used, then boxes can be formed from corrugated cardboard, but recycling becomes more difficult due to mixed materials and assembly components
Solution Approach 1:
The patent merges all box components into a single homogeneous corrugated cardboard blank, eliminating mixed materials such as plastics, metals, and adhesives. The entire box structure including securing mechanisms is formed from the same recyclable corrugated material, simplifying recycling processing and material recovery.
Solution Approach 2:
The box is constructed entirely from homogeneous corrugated cardboard material throughout all components - walls, ends, bottom, and securing flaps. This uniform material composition eliminates the need to separate different material types during recycling, improving recyclability and reducing processing complexity.
4Device complexity
If jointless design with single panel is used, then material cost and assembly complexity are reduced, but object securing capability must be maintained without additional fasteners
Solution Approach 1:
The securing flaps are designed to transition from a flat state in the blank to an erected state that engages with the box contents. The die-cut patterns create dynamic interlocking features that engage when the flaps are folded into position, providing secure retention without requiring permanent fasteners. The design allows for easy opening by overcoming the interlocking engagement.
Solution Approach 2:
The corrugated cardboard flaps themselves serve as flexible securing elements. The flaps are scored and die-cut to create flexible interlocking features that engage with corresponding features on opposite flaps, providing secure object retention through the flexibility and elasticity of the corrugated material rather than rigid fasteners.
Data Source
AI summary
A container for containing at least one article. The container being formed from a blank having connected panels in a predetermined pattern that when erected can form at form an interior of the container. The container comprises an expandable slit pattern feature on the fixative platform panel for protecting the articles from breakage. The fixative platform panel further features one or more protuberances on a folded edge thereof for securing in an opening formed by a slot and protuberance notch in the second and third side panels of the container. The container further features one or more flaps having protrusion(s) on an outer edge of the blank for securing in one or more slots in the bottom panel of the container.