Double-Ply Masking Film Stack with Accessible Engagement Edge
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Solution Overview
Problem
Existing masking tapes are difficult to unfold due to concealed manual engagement edges, making manual and automatic unfolding challenging.
Innovation Solution
A masking film stack is designed with a freely accessible manual engagement edge, allowing easy manual and automatic unfolding by folding the masking film into a double ply and forming a stack with a concertina or helical configuration, ensuring the edge is easily graspable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the masking film is folded and disposed in a film stack, then the masking tape is compact and easy to store, but the manual engagement edge disappears and is concealed by the masking material
Solution Approach 1:
The masking film is divided into multiple plies through folding, creating a segmented film stack structure. This segmentation allows the film to be compact while maintaining access to the engagement edge through the layered configuration
Solution Approach 2:
The masking film is folded back onto itself in a nested manner, with each ply containing the previous ply. This nesting creates a compact stack while the outermost ply maintains the engagement edge for manual or automatic gripping
2Stability of the object's composition
If the masking film is folded into a double ply with adjacent longitudinal edges, then the structure is stable and organized, but automatic gripping devices cannot take hold of the engagement edges
Solution Approach 1:
The folding creates an asymmetric structure where one longitudinal edge remains externally accessible while the other is positioned internally. This asymmetry allows automatic gripping devices to access the engagement edge without disrupting the overall stability of the folded stack
Solution Approach 2:
The folding arrangement positions engagement edges at different spatial locations within the stack structure. By creating a three-dimensional folded configuration, the engagement edge becomes accessible from the exterior while maintaining internal structural stability
Data Source
AI summary
Masking film stacks, kits composed of said film stacks, adhesive tapes, and covering tapes, and methods for producing said stacks and kits are provided. The masking film stacks comprise masking films having widths and lengths, wherein the masking films are foldable along folding lines, running along the lengths, to form double-ply-folded masking films such that two free longitudinal edges of the double-ply-folded masking films run adjacent to each another and the double-ply masking films are foldable to form stacks and the two longitudinal edges lie on the masking film stacks.