Child-Resistant Blister Packaging Segmentation
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Solution Overview
Problem
Existing blister packs for child-resistant packaging of medications are costly to produce and inefficient in preventing access by children, as they require complex designs with multiple layers and gluing operations, which are easily compromised by children.
Innovation Solution
A simplified blister pack design featuring a base section and blister section connected only at the outer edge, with securing segments that can be partially detached by pressure, incorporating U-shaped perforation lines for easy folding and intuitive operation, and a perforation line arrangement that differentiates between peeling and tearing steps, ensuring high child safety without excessive material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex designs with multiple layers and gluing operations are used, then child safety is improved, but production cost increases
Solution Approach 1:
The packaging is divided into separate functional segments: a base section with blocking segments and push-through segments, and a blister section with recesses. These segments are connected only at the outer edge area, allowing simplified manufacturing without complex gluing operations throughout the entire structure.
Solution Approach 2:
Instead of having the blister section as the main body with additions, the invention inverts the approach by making the base section with blocking segments the primary structure, and connecting the blister section only at the outer edge. This inversion simplifies the manufacturing process while maintaining child safety functionality.
2Reliability
If complex designs with multiple layers and gluing operations are used, then child safety is improved, but material usage increases
Solution Approach 1:
The packaging is divided into separate functional segments: a base section with blocking segments and push-through segments, and a blister section with recesses. These segments are connected only at the outer edge area, allowing simplified manufacturing without complex gluing operations throughout the entire structure.
3Strength
If blocking segments are firmly connected to the base section, then structural integrity is improved, but ease of opening by users deteriorates
Solution Approach 1:
The base section is segmented into blocking segments and push-through segments that are selectively connected. The blocking segments are connected to the base section to maintain structural integrity, while the push-through segments are designed to be detachable, allowing easy opening by users through pressure application.
Solution Approach 2:
The connection between segments is made dynamic rather than static. The blocking segments remain firmly connected for structural support, while the push-through segments are designed with detachable connections that allow controlled separation when pressure is applied, enabling easy opening by users.
4Ease of operation
If securing segments are designed to be easily detached, then ease of operation is improved, but child safety deteriorates
Solution Approach 1:
The packaging is divided into separate functional segments: a base section with blocking segments and push-through segments, and a blister section with recesses. These segments are connected only at the outer edge area, allowing simplified manufacturing without complex gluing operations throughout the entire structure.
Solution Approach 2:
The connection between segments is made dynamic rather than static. The blocking segments remain firmly connected for structural support, while the push-through segments are designed with detachable connections that allow controlled separation when pressure is applied, enabling easy opening by users.
Data Source
Figure 1
Figure 2~2a
Figure 3~4
AI summary
In a base section (6) there are separable locking segments (7) each covering a squeezed area for packaged material (18). Safety segments (8) can be swung open out of the surface of a blister section (5) with pressure from the rear side. The safety segments are designed so that they prevent attachment to the locking segments when inactive. An independent claim is also included for a blank for blister packs.