Heat-Shrinkable Security Sleeve and Metal Overcap for Bottle Authentication
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Solution Overview
Problem
Wine bottles lack secure authentication and traceability, making them vulnerable to fraudulent adulteration and counterfeiting, as existing overcap devices do not provide a guarantee of authenticity or inviolability, and current security labels are easily removable and not effectively integrated with the bottle's design.
Innovation Solution
A heat-shrinkable security sleeve made of plastic, featuring at least one security element, is applied over the neck and closure device of the bottle, with a metal overcap partially covering the sleeve to reveal the security element, enhancing adhesion and difficulty of removal, and incorporating micro-perforations or a tear strip for irreversible opening, along with various authentication features like holograms and RFID for secure identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simple overcap is used to cover the bottle, then the bottle appearance is simple and manufacturing cost is low, but the bottle lacks security authentication and is vulnerable to fraud
Solution Approach 1:
The patent implements a nested structure where the heat-shrinkable security sleeve is placed inside the overcap, and the overcap is placed on the bottle neck. This nested arrangement allows the simple overcap to contain a complex security authentication system (sleeve with security elements, micro-perforations, tear strip) without increasing the overall structural complexity visible to the consumer. The security sleeve provides authentication while the overcap maintains the traditional simple appearance.
Solution Approach 2:
The patent uses a heat-shrinkable security sleeve made of flexible plastic material that can be shrunk around the bottle neck and closure device. This thin film structure provides security authentication features (holograms, security elements, micro-perforations) while maintaining a sleek, non-bulky appearance. The flexibility of the thin film allows it to conform to the bottle shape and be integrated within the overcap structure.
2Reliability
If a security label is added to the overcap, then authentication capability is improved, but the label can be easily removed and repositioned
Solution Approach 1:
The patent employs heat-shrinkable material that undergoes a phase transition when exposed to heat. The security sleeve is initially in a relaxed state, then shrinks tightly around the bottle neck and closure device when heated during the overcapping process. This phase transition creates strong adhesion between the sleeve and the bottle surface, preventing easy removal or repositioning. The thermal shrinkage process permanently bonds the security elements to the bottle structure.
Solution Approach 2:
The security sleeve is designed as a single-use, non-reusable component. Once the bottle is opened by breaking the seal (tear strip activation), the security sleeve becomes damaged or detached and cannot be reused. This disposable nature ensures that the authentication capability remains reliable - if the sleeve is still intact and properly positioned, the bottle has not been opened or tampered with. The irreversible nature of the security sleeve prevents removal and repositioning.
3Reliability
If the overcap completely covers the bottle neck, then the bottle appearance is clean and simple, but security elements are hidden and not visible
Solution Approach 1:
The patent applies local quality by making the security sleeve partially transparent or translucent in specific areas where security elements are located. This allows the overcap to maintain its clean, simple appearance while enabling visibility of security features (holograms, security elements) through the sleeve material. The local transparency is strategically positioned to reveal authentication elements without compromising the overall aesthetic of the bottle packaging.
Solution Approach 2:
The patent positions security elements in multiple dimensions - some on the outer surface of the security sleeve, some embedded within the sleeve material, and some on the inner surface. This multi-dimensional arrangement allows security elements to be visible from different angles and lighting conditions while maintaining a clean appearance. The tear strip and micro-perforations create dimensional changes in the sleeve structure that reveal security features when the bottle is opened.
4Ease of manufacture
If the bottle uses traditional marking for batch numbers, then the marking process is simple, but reading is difficult due to low contrast
Solution Approach 1:
The patent incorporates high-contrast color markings on the security sleeve, including batch numbers, codes, and authentication elements. The heat-shrinkable process enhances the visibility of these markings by tightening the sleeve around the bottle, which sharpens the contrast and makes the markings more legible. The security sleeve material and printing techniques are designed to provide high contrast between the markings and the background, solving the low contrast problem of traditional glass bottle markings while maintaining simple manufacturing processes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a secure and authenticatable means to prevent fraudulent manipulation and ensure the integrity of the bottle's contents, with enhanced adhesion and visibility of security features, making it difficult to remove the sleeve without altering the bottle's appearance or compromising the seal.
Implementation Method 1
a heat-shrinkable security sleeve, in particular made of plastic, is retracted over part of the container and of the closure device
Data Source
Figure 1~6
Figure 4~7
AI summary
The present invention relates to a method for securing a container (A), in particular a bottle, comprising a closure device, in particular a stopper. The method comprises steps in which: a heat-shrinkable security sleeve (1) is shrunk onto a portion of the container (A) and the closure device, in particular over the neck (26) and the stopper of the bottle, said sleeve (1) comprising at least one security element (5, 7, 8); and a capsule (2), in particular made from stamped metal or a metal complex, is fitted over the sleeve (1) in such a way as to only partially cover it, leaving said at least one security element (5, 7, 8) on the sleeve (1) at least partially visible.