Carton Dispenser With Diverging Tear Lines
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Solution Overview
Problem
Conventional carton dispensers are often difficult for users to remove, as they lack effective design features that facilitate easy separation from the carton.
Innovation Solution
A carton design featuring a dispenser pattern with diverging tear lines on the side flaps, allowing for partial or complete removal of a removable portion to create an opening, which includes a first end tear line with a lower end section extending to the bottom edge of the flap and a second end tear line with a lower end section also extending to the bottom edge, providing a natural stopping point for partial removal and complete separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional dispenser designs are used, then the carton structure is simple, but the dispenser is difficult for users to remove
Solution Approach 1:
The dispenser pattern is segmented into multiple tear lines (first end tear line, second end tear line, middle tear line) that divide the removal process into distinct stages. This segmentation allows users to progressively separate the dispenser portion through controlled tearing actions, making removal easier while managing the complexity through structured design
Solution Approach 2:
The tear lines are pre-formed in the dispenser pattern during manufacturing, creating predetermined weak points that guide the user's removal action. This preliminary preparation of the separation path eliminates the need for users to figure out how to remove the dispenser, significantly improving ease of operation despite the added pattern complexity
2Ease of operation
If tear lines extend to the bottom edge of flaps, then complete removal is facilitated, but control over partial removal is reduced
Solution Approach 1:
The tear lines are segmented into multiple sections (first end tear line, second end tear line, middle tear line) that create staged separation points. Users can tear along the first and second end tear lines to achieve partial removal, or continue through the middle tear line for complete removal, providing both ease of removal and flexibility in the extent of separation
Solution Approach 2:
The dispenser pattern is designed to be dynamically adaptable to user needs. The multiple tear lines allow the system to transition between different states of separation (partial vs. complete removal) based on user action, making the removal process flexible and adaptable rather than fixed
Data Source
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AI summary
A carton (90) for packaging a plurality of articles (C) includes a dispenser defined by a dispenser pattern (40) extending through the carton's first side panel (14), top panel (16), second side panel (18), and exiting end panel (12). The dispenser pattern defines a removable portion (92) that is separable along the dispenser pattern to form an opening into an interior of the carton. The dispenser pattern includes first (60) and second (62) end tear lines formed in respective first (32) and second (36) side exiting end flaps. Each of the first and second end tear lines includes a lower (56,57) end section. The two lower end sections of these end tear lines diverge away from each other toward a bottom panel of the carton and define therebetween a bottom end section of the removable portion.