Conformable End Cover for Rolled Drawings
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Solution Overview
Problem
Existing labeling apparatuses for rolled drawings are either expensive, prone to damage, or inefficient in utilizing the available labeling area, leading to difficulties in identifying specific drawings without unrolling them.
Innovation Solution
A low-cost, reusable, lightweight, and customizable end cover system that fits various roll sizes, featuring a writable surface and adhesive labels, which can extend down the length of the roll for enhanced identification, and can be manufactured from flexible materials like rubber or fabric with geometric patterns for improved discernibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a fixed-size labeling tag is inserted into the center hole of a rolled drawing, then the drawing can be identified from the end, but the labeling area is limited and cannot utilize the full end area of the roll
Solution Approach 1:
The label transitions from a two-dimensional flat tag inserted in the hole to a three-dimensional wraparound structure that extends along the length of the roll, utilizing the longitudinal dimension to maximize visible labeling area from the end view
Solution Approach 2:
The label serves multiple functions: it provides identification text, incorporates geometric patterns for visual distinction, and wraps around the roll to maximize surface area utilization, replacing multiple separate labeling elements with one integrated solution
2Reliability
If a multipronged apparatus is inserted into the center hole to label the roll, then the roll can be identified, but the tines can damage the drawing sheets at the contact area
Solution Approach 1:
The label acts as an intermediary element that wraps around the exterior of the roll rather than inserting into the center hole, eliminating direct contact between the labeling apparatus and the drawing sheets while still providing secure attachment and reliable identification
Solution Approach 2:
The labeling function is extracted from the center hole insertion mechanism and relocated to the exterior surface of the roll, removing the harmful interaction between labeling tines and drawing sheets while preserving the identification capability
3Reliability
If heavy stock paper is bent and inserted into the center hole for labeling, then the roll can be identified, but the tag can fall out of the hole
Solution Approach 1:
The label is designed to wrap around the curved exterior surface of the cylindrical roll, with its curvature matching the roll's geometry, providing continuous contact and friction-based retention without requiring insertion into the center hole
Solution Approach 2:
The label replicates the cylindrical form of the roll it wraps around, creating a conformal fit that distributes attachment force evenly around the circumference, preventing detachment while maintaining simple application
4Ease of manufacture
If the inner most layers of the drawing are bent to create a layer for apparatus insertion, then the apparatus can be attached, but the labeling surface area is significantly smaller than the available cross sectional area of the roll
Solution Approach 1:
The labeling surface extends from a two-dimensional plane into the third dimension by wrapping around the roll and extending along its length, utilizing the longitudinal dimension to maximize the visible labeling area from the end view
Solution Approach 2:
The label is constructed as a flexible thin film that can wrap around the cylindrical roll, conforming to its shape and maximizing surface area utilization through its ability to bend and extend along the roll's length
Data Source
AI summary
A labeling apparatus for an end of a rolled set of drawings or any similarly shaped elongated object. A potential embodiment of the apparatus comprises a flexible sheet which can be drawn over an end of the elongated object. The flexible sheet comprises a surface which is capable of being written on with pen, pencil, marker or any writing instrument known in the art. The writable surface can be integral to the flexible sheet or can be a separate writable surface which can be coupled with the flexible sheet. The flexible sheet comprises an elastic gripping feature for coupling the sheet over the end of the elongated object. The writable surface can comprise coloring, patterning or other visual cues known to those in the art to assist a user in identifying the label.