Thermoplastic Packaging with Quick Opening Mechanism
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Solution Overview
Problem
Current packaging methods for thermoplastic materials are expensive, difficult to compact, prone to tearing, and require sharp instruments for opening, posing challenges in ease of use and safety.
Innovation Solution
A container with a quick opening mechanism, such as perforations or tear strips, that allows easy removal and flattening, using materials like cardboard or corrugated plastic, with a liner to prevent sticking and facilitate handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional packaging methods are used for thermoplastic materials, then the packaging can provide containment, but it becomes expensive, difficult to compact, and requires sharp instruments for opening
Solution Approach 1:
The container is divided into a body portion and a removable lid portion, allowing the lid to be separated for easy access to the thermoplastic material without requiring sharp instruments. The perforated portion provides a predetermined break line that segments the packaging for controlled opening.
Solution Approach 2:
The packaging includes a perforated portion or tear strip pre-formed in the lid portion, which creates a predetermined weak point that facilitates easy tearing and opening before use. This preliminary structural preparation eliminates the need for knives or sharp tools during operation.
2Ease of operation
If conventional packaging is used, then containment is provided, but the packaging is difficult to compact and dispose of
Solution Approach 1:
The container is constructed from flexible materials such as flexible plastic or metal that can be easily collapsed and compacted after use. The flexible nature of these materials allows the container to be knocked down flat for efficient disposal and recycling without requiring significant compaction effort.
3Ease of operation
If thermoplastic materials are packaged without a liner, then packaging simplicity is maintained, but the sticky thermoplastic adheres to the container making removal difficult
Solution Approach 1:
A liner is introduced as an intermediary component between the thermoplastic material and the container interior surface. The liner prevents direct adhesion of the sticky thermoplastic to the container, allowing for easy removal of both the liner and material together as a unit, thereby simplifying container cleaning and reuse.
4Ease of operation
If conventional packaging is used, then containment is achieved, but opening requires knives or sharp instruments posing safety risks
Solution Approach 1:
The packaging incorporates a perforated portion or tear strip pre-formed in the lid during manufacturing, creating a predetermined break line that guides the opening process. This preliminary structural feature allows users to safely open the packaging by pulling along the perforation without requiring knives or sharp instruments, eliminating safety hazards while maintaining manufacturing simplicity.
Data Source
AI summary
The present invention relates to thermoplastic products and packaging therefor. More particularly, some implementations of the invention relate to a thermoplastic material that is packaged in a box, such as a corrugated cardboard box. In some cases, the box has a quick opening mechanism extending between two opposite sides of the box. Some examples of such quick opening mechanisms include a perforation, a tear strip, a hook-and-loop fastener, and a chain stitch. While the packaging can in opened in any suitable manner, in some cases, a user grabs a flap on the box, pulls the flap to rip the box down a perforated quick opening mechanism, and uses the weight of the thermoplastic material to knock down the box so that it becomes substantially flat. Other implementations are also described.