Sliding Tray Lock Packaging with Rib Feedback
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Solution Overview
Problem
Conventional retail packaging for consumer products is often damaged when customers open them to inspect the contents, leading to a negative impression and potential environmental concerns due to non-recyclable materials, while also failing to provide a secure and aesthetically appealing way to interact with the product before purchase.
Innovation Solution
A packaging system comprising a sled and sleeve with ribs that allow for secure closure and audible/tactile feedback when opening or closing, constructed from recyclable paper-based materials, enabling multiple open and close cycles without damage, and eliminating the need for adhesives or visible seams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional retail packaging is used, then the packaging can be opened to inspect contents, but the packaging is damaged and cannot be reused
Solution Approach 1:
The packaging transitions from a static, single-use structure to a dynamic, reusable system. The sled can slide in and out of the sleeve multiple times, and the rib dynamically engages and disengages from the sled sidewall during opening/closing cycles, maintaining packaging integrity through repeated use.
Solution Approach 2:
The packaging is divided into separable components (sleeve and sled) that can be independently manufactured and reassembled. The rib is a distinct element that provides the locking function without being permanently attached to either component, enabling repeated engagement and disengagement.
2Reliability
If conventional packaging materials are used, then the packaging provides secure closure, but the materials are non-recyclable and environmentally harmful
Solution Approach 1:
The material composition parameter is changed from non-recyclable plastics or adhesives to recyclable paper-based materials. The closure mechanism relies on mechanical interlocking (rib in groove) rather than chemical bonding (adhesives), maintaining secure closure while improving environmental compatibility.
Solution Approach 2:
The packaging is designed to be reusable rather than disposable, with the sled and sleeve capable of multiple open/close cycles. This eliminates the need for costly protective materials and reduces waste, making the system both economically and environmentally favorable.
3Reliability
If adhesives and visible seams are used, then the packaging provides secure attachment, but the appearance is compromised and assembly is complex
Solution Approach 1:
Adhesives and visible seams are extracted from the design, replaced by a mechanical interlocking system. The rib engages with a groove in the sled sidewall to provide secure attachment without requiring chemical adhesives or creating visible external seams, simplifying both appearance and assembly.
Solution Approach 2:
The rib and groove automatically engage and disengage without requiring additional fastening steps. The packaging components self-assemble through simple insertion, with the rib naturally finding its engagement position in the groove, eliminating complex assembly procedures.
4Ease of operation
If the packaging is designed for multiple open and close cycles, then customer interaction is improved, but the packaging may lose its secure closure capability
Solution Approach 1:
The rib is designed to flex dynamically during engagement and disengagement, absorbing stress from repeated use while maintaining its locking function. This dynamic capability allows the packaging to withstand multiple open/close cycles without losing closure security.
Solution Approach 2:
The rib includes a fillet (curved surface) that provides stress distribution and cushioning during engagement. This pre-designed stress management feature prevents fatigue and damage from repeated loading, ensuring the packaging maintains its secure closure capability throughout its service life.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The packaging system allows customers to interact with products securely and repeatedly while maintaining a positive brand image by providing a recyclable, aesthetically appealing, and environmentally friendly solution that withstands multiple open and close cycles without damage.
Implementation Method 1
the rib may deflect and produces audible/tactile indication of opening or closing
Implementation Method 2
the rib may deflect and produces audible/tactile indication of opening or closing
Data Source
AI summary
A package may include a sled configured to receive a product, and a sleeve configured to receive the sled through a first or second opening. The sleeve may include a top wall, a bottom wall, and first and second sidewalls, defining the first and second openings. The sleeve may include a rib extending downward from the top wall and positioned substantially parallel to an edge of the top wall proximate the first opening. The rib may engage the sled when the package is in a closed position, and in response to a force sliding the sleeve relative to the sled, the rib may deflect and produce an indication of opening or closing.