Collapsible Container With Support Brackets

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Solution Overview

Problem

Conventional rigid containers for flowable materials are bulky, heavy, and require complex and costly reinforcements to prevent deformation, while collapsible containers with interlocking flaps are time-consuming to assemble and disassemble.

Innovation Solution

A collapsible container made of corrugated cardboard with a continuous sheet and support brackets that can be easily assembled and disassembled, maintaining a flat orientation and preventing deformation during filling and storage, using a stairstep configuration and orthogonal corrugations to secure panels and provide stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional rigid containers are used, then structural strength is maintained, but weight and storage space efficiency deteriorate

Engineering Contradiction:
Improvestructural strengthVSAvoidcontainer weight
Core Design Contradiction:
StrengthVSWeight of stationary object

Solution Approach 1:

The patent employs corrugated cardboard panels as flexible yet structurally adequate container walls, replacing heavy rigid materials. The corrugated structure provides necessary strength while maintaining lightness and collapsibility for efficient storage and transport.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The container is divided into multiple panels connected by hinges, allowing the structure to be segmented for collapse and storage while maintaining strength during use. This segmentation enables the container to transition between rigid operational state and compact storage state.

Inventive Principle:
Principle #1Segmentation

2Stability of the object's composition

If reinforcements are added to prevent cardboard deformation, then structural stability is improved, but complexity and cost increase

Engineering Contradiction:
Improvecontainer stabilityVSAvoidreinforcement complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent applies localized reinforcement through bracing elements positioned at critical corners and edges of the container panels. This targeted approach provides necessary structural stability to prevent deformation during filling and transport without adding complex reinforcement systems throughout the entire container.

Inventive Principle:
Principle #3Local quality

3Strength

If interlocking flaps are used to prevent deformation, then structural integrity is maintained, but assembly and disassembly time increase

Engineering Contradiction:
Improvestructural integrityVSAvoidassembly time
Core Design Contradiction:
StrengthVSLoss of time

Solution Approach 1:

The patent extracts the interlocking mechanism from complex multi-step flaps and simplifies it to basic bracing elements that can be quickly positioned and secured. This extraction of the essential stabilizing function while removing unnecessary complexity dramatically reduces assembly and disassembly time.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The bracing elements are designed to be pre-positioned or easily attachable at critical locations before the container is put into service. This preliminary placement of structural supports ensures integrity is established quickly without requiring time-consuming assembly procedures.

Inventive Principle:
Principle #10Preliminary action

4Area of stationary object

If the container is made collapsible for space efficiency, then storage efficiency is improved, but structural stability during operation deteriorates

Engineering Contradiction:
Improvestorage footprintVSAvoidoperational stability
Core Design Contradiction:
Area of stationary objectVSStability of the object's composition

Solution Approach 1:

The container is designed with dynamic characteristics, allowing it to transition between collapsed storage state and expanded operational state. The hinge connections and bracing system enable this dynamic transformation while maintaining structural stability during the filled and operational phase through properly positioned support elements.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10273070B2Collapsible container
Publication Date: 2019.04.30 PAPER SYSTEMS INC
  • US10273070B2 patent drawing
  • US10273070B2 patent drawing
  • US10273070B2 patent drawing

AI summary

A collapsible container for the storage and transport of flowable material. The container is provided with a continuous sheet of side panels secured into stepped engagement with itself to define an interior. Foldable support brackets are secured to the side panels to maintain the side panels at an angled orientation relative to the side panels of the container and to prevent distortion of the side panels by hydrostatic pressure toward a circular orientation. The support brackets define an opening in the top of the collapsible container through which a fill head may engage a top cap of a flexible liner provided within the collapsible container, to fill the liner with flowable material.