Regular Slotted Carton With Integrated Handle And Poly Liner
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Solution Overview
Problem
Existing packaging solutions for free-flowing materials like granular clay are either expensive and complex, such as Sift Proof Boxes, or lack essential features like integrated handles and leak-proofing, as seen in Regular Slotted Cartons, which require two hands to hold and pour.
Innovation Solution
A cost-effective Regular Slotted Carton design integrating a single, ergonomic handle and a pour spout, utilizing a poly liner for leak-proofing, and allowing single-hand operation, which can be manufactured using existing equipment without specialized machinery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Sift Proof Boxes are used to prevent leakage of particulate contents, then reliability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent applies nesting by placing a poly liner inside the Regular Slotted Carton box. The liner is inserted through the bottom of the box and extends up the sides, creating a nested structure where the liner is contained within the box. This nested configuration provides leak-proofing functionality while maintaining the simple RSC box structure, resolving the contradiction between reliability and device complexity.
2Ease of manufacture
If Regular Slotted Cartons are used to reduce manufacturing cost, then ease of manufacture is improved, but ease of operation deteriorates due to lack of integrated handle
Solution Approach 1:
The patent applies the intermediary principle by introducing a poly liner as a mediating element that serves multiple functions. The liner not only provides leak-proofing but also acts as the handle structure. The liner extends up the sides of the box and can be gripped to lift and carry the container, thereby providing handling convenience without requiring a separate integrated handle structure. This resolves the contradiction between ease of manufacture and ease of operation.
3Ease of manufacture
If Regular Slotted Cartons are used to reduce equipment cost, then ease of manufacture is improved, but ease of operation deteriorates due to requirement of two hands for pouring
Solution Approach 1:
The patent applies dimensionality change by extending the poly liner vertically up the sides of the box to create a three-dimensional handle structure. This vertical extension allows the user to grip the liner with one hand while pouring contents from the box. The handle structure is formed in the vertical dimension rather than requiring a separate horizontal handle component, enabling single-hand operation while maintaining the simple RSC box design.
Data Source
AI summary
A container with integrated handles provides an alternative to other containers handling materials. In some embodiments, the container includes an outer surface that encloses a cavity; a first face internal to the container; a second face internal to the container; a third face internal to the container; a fourth face internal to the container; an integrated handle including a first aperture disposed in the first face internal to the container and a second aperture disposed in the second face internal to the container and proximate to the first aperture; and an internal support disposed in the cavity, wherein the internal support traverses the cavity of the container to form a handle cavity by extending from the first face internal to the container to one or more faces internal to the container, wherein the internal support includes a handle cavity flap, a first binder flap, and a second binder flap.