Tape Cartridge Translucent Label Marking
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Solution Overview
Problem
The existing tape printing systems face challenges in easily distinguishing the peel-off position of the label portion from the non-label portion, especially due to the form or material of the second sheet, making it difficult for users to conveniently peel off the label.
Innovation Solution
The tape cartridge and printing apparatus utilize a translucent first and second sheet with marks printed on the rear surface of the first sheet near the cut lines, allowing users to visually confirm the peel-off positions through both sheets, facilitating easy peeling of the label portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the second sheet is made opaque or with invisible cut lines, then the material quality and printing surface are improved, but the peel-off position becomes hard to visually distinguish
Solution Approach 1:
The mark is pre-formed on the first sheet at the position corresponding to the cut line before the tape is used. This preliminary marking allows the user to easily identify the peel-off position without affecting the material quality or printing surface of the second sheet.
Solution Approach 2:
The mark on the translucent first sheet serves as an intermediary visual indicator that helps the user locate the cut line and peel-off position on the second sheet. The mark acts as a mediator between the invisible cut line and the user's visual detection capability.
2Difficulty of detecting and measuring
If the first sheet is made opaque, then the mark visibility is improved, but the translucency that allows visual confirmation through both sheets is lost
Solution Approach 1:
The first sheet is designed with specific translucency parameters that allow light to pass through while maintaining sufficient contrast for the mark to be visible. This parameter optimization enables both mark visibility and sheet translucency to coexist.
Data Source
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AI summary
Since a label portion is easily peeled, usability for users is improved. A tape cartridges 100 includes a casing 120 and a printing tape roll 51 which is a winding of a printing tape 50 and is accommodated in the casing 120. The printing tape 50 includes a release sheet 54 and a printing sheet 52. The release sheet 54 is in a form of an elongated sheet-like shape having an upper surface and a lower surface opposite to the upper surface. The release sheet 54 has translucency. The printing sheet 52 is in a form of an elongated sheet-like shape and affixed to the upper surface of the release sheet 54. The printing sheet 52 includes a label portion 95 and a non-label portion 96 segmented from each other by a cut line 55. The printing sheet 52 has translucency. The lower surface of the release sheet 54 is provided with a mark 56 at a position adjacent to the cut line 55.