RSC Container with Integrated Handle and Pour Spout
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Solution Overview
Problem
Current packaging solutions for dense, free-flowing materials like granular clay are either expensive and complex, such as Spill-Proof Boxes (SPBs), or lack essential features like integrated handles and leak-proofing, as seen in Regular Slotted Cartons (RSCs), which require two hands to hold and pour, and are not cost-effective for manufacturers.
Innovation Solution
A cost-effective design integrating a single, ergonomic handle and pour spout into a Regular Slotted Carton (RSC) that eliminates the need for specialized SPB erection and sealing equipment, using a poly liner for leak-proofing and allowing single-hand pouring, with features like a handle cavity and pinch closure to enhance usability and reduce equipment requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a Full Overlap (FOL) design is used to create Spill-Proof Boxes (SPBs), then leak-proofing and integrated handle functionality are improved, but equipment cost and manufacturing complexity increase significantly
Solution Approach 1:
The box is divided into separate components: a Regular Slotted Carton (RSC) body and an independent poly liner bag. The liner bag provides the leak-proofing function while the RSC provides the structural framework. This segmentation allows each component to be manufactured using standard, less complex equipment while achieving the overall spill-proof functionality.
Solution Approach 2:
A poly liner bag is introduced as an intermediary element between the RSC body and the contents. This liner bag serves as the spill-proof barrier, eliminating the need for complex glued FOL construction while maintaining leak-proofing. The liner can be easily inserted and sealed using simple equipment.
2Ease of manufacture
If a Regular Slotted Carton (RSC) is used without an integrated handle, then manufacturing cost and equipment requirements are reduced, but ease of operation deteriorates as two hands are required to hold and pour
Solution Approach 1:
The handle functionality is merged with the poly liner bag by forming a loop handle as an integral part of the bag structure. This allows the handle to be created during the same manufacturing process as the bag itself, without requiring additional complex equipment. The handle is formed by creating a loop in the poly material that protrudes from the box, enabling single-hand gripping while maintaining simple RSC construction.
3Reliability
If a Full Overlap (FOL) design is used for Spill-Proof Boxes, then spill-proof functionality is improved, but manufacturing cost increases due to specialized equipment requirements
Solution Approach 1:
The solution uses universal, standard manufacturing equipment to create both the RSC body and the poly liner bag. The RSC can be erected using standard carton forming equipment, and the poly liner can be produced using conventional plastic bag manufacturing. This multi-functionality approach allows the same standard equipment to produce components that together achieve spill-proof functionality, eliminating the need for specialized FOL box manufacturing equipment.
4Device complexity
If Regular Slotted Cartons are used without a pour spout, then manufacturing simplicity is maintained, but ease of operation worsens as pouring control is reduced
Solution Approach 1:
A pour spout is pre-formed as an integral part of the poly liner bag during manufacturing. The spout extends from the top of the bag and is positioned to allow controlled pouring. This preliminary formation of the spout feature during bag production adds no significant complexity to manufacturing while providing excellent pouring control and user convenience during operation.
Data Source
AI summary
A container such as a Regular Slotted Carton (RSC) with side handles provides an improved alternative to other containers for packing, storing, stacking, displaying, handling and shipping a dense, free-flowing material such as granular clay. An integrated handle places the load of carrying the container over the full width of the hand and fingers. A cavity is created that allows the user's hand or fingers to be easily placed into the handle and prohibits the liner of the container from interfering with placement of the hand or fingers. A pour spout is also provided in the container that allows for access to the liner. The pour spout may be formed by tearing off a perforated portion of the container. A pinch closure may be provided so that the portion of the liner pulled through the spout can be secured.