Paper Slip Stack Packaging Sheet With Pull-Tab Tear Release
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Solution Overview
Problem
Conventional packaging methods for paper slip stacks are cumbersome, as they often require cutting and can cause the stack to disarrange during refilling, and the lightweight nature of the paper makes it difficult to handle and keep in an orderly state within a paper holder.
Innovation Solution
A packaging sheet with a tab protruding from one side and a frangible part along its length, allowing easy tearing by pulling the tab, which stabilizes the stack and facilitates removal from the holder without disarranging the papers, using a synthetic-resin film or shrink film for added durability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the paper slip stack is bundled with a conventional packaging sheet, then the stack can be contained and transported, but the packaging sheet must be cut with scissors which is cumbersome and risks causing the stack to slip out of hand
Solution Approach 1:
The packaging sheet is segmented into a main body and a separate tab portion that protrudes from the bundle. The tab can be easily grasped and pulled to remove the packaging sheet without requiring scissors or complex cutting operations, thus resolving the contradiction between secure containment and easy removal.
Solution Approach 2:
The tab acts as an intermediary element between the user's hand and the packaging sheet. By providing this intermediate grasping point, the user can easily remove the packaging sheet without directly handling the slippery paper stack or requiring cutting tools, thus improving ease of operation.
2Reliability
If the paper slip stack is forced into the holder against spring force, then the stack can be contained in the holder, but the stack is at increased risk of being disarranged and separated
Solution Approach 1:
The packaging sheet is designed to be removed by pulling the tab before or during the insertion process. This preliminary removal action prevents the packaging sheet from interfering with the spring mechanism during insertion, allowing the stack to be inserted smoothly without forcing while maintaining stack integrity.
3Ease of operation
If the uppermost paper slip is extended with fingers to allow pulling out, then the paper slip can be removed from the holder, but this requires additional manual manipulation that can disarrange the stack
Solution Approach 1:
The packaging sheet with its protruding tab serves the dual function of both containing the stack during storage and facilitating the extraction of the uppermost paper slip during use. When the tab is pulled, it automatically extends the uppermost slip for easy removal without requiring additional manual manipulation, thus maintaining stack orderliness while improving ease of operation.
Data Source
AI summary
A package for a paper slip stack, which can steadily and stably store the paper slip stack bundled by a packaging sheet and can be easily released from the packaging sheet after being contained in a paper holder. The paper slip stack is formed by alternately interlocking half parts (5a and 5b) of twofold paper slips (5) with one another oppositely in their folded directions so as to stack the paper slips in piles in their mutually interconnected state. The slips are bundled by a packaging sheet (3) which is provided with a tab (4) that protrudes outward from one side of the paper slip stack. A frangible part is formed anywhere in a longitudinal direction of the packaging sheet so as to be broken or cut by a tensioning force produced by pulling the tab.