Universal Bottle Cap With Internal Bladder Dispensing
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Solution Overview
Problem
Existing screw type bottle caps lack the ability to easily dispense a predetermined substance into the contents of a bottle, and they are not adaptable to fit on bottles with different sizes and thread designs.
Innovation Solution
A universal bottle cap with a cylindrical design and internal bladder system that includes a threaded portion and a bladder piercing element, allowing it to engage with various bottle threads and dispense substances like vitamins, syrups, or medications into beverages, while also featuring a multi-thread closure system to fit different bottle sizes and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a bottle cap is designed with a simple structure, then it is easy to manufacture and use, but it cannot dispense a predetermined substance into the bottle contents
Solution Approach 1:
The patent incorporates an internal bladder nested within the bottle cap structure. The bladder is positioned inside the cap body and contains the predetermined substance (such as vitamins, syrup, or other ingredients). When the cap is screwed onto the bottle, the bladder is compressed between the cap wall and the bottle shoulder, causing it to rupture and dispense its contents into the beverage. This nesting approach allows substance dispensing functionality to be integrated into a relatively simple cap structure without requiring complex mechanisms.
Solution Approach 2:
The predetermined substance is pre-loaded into the bladder during manufacturing, and the bladder is pre-positioned within the cap structure. The system is designed so that the act of screwing the cap onto the bottle automatically triggers the bladder rupture and substance dispensing. This preliminary preparation eliminates the need for separate dispensing mechanisms or user intervention beyond the basic capping action, maintaining simplicity while achieving the dispensing function.
2Adaptability or versatility
If a bottle cap is designed with a substance dispensing mechanism, then it can dispense predetermined substances, but the structure becomes complex
Solution Approach 1:
The bladder is nested within the cap body, utilizing the existing cap volume to house the substance container. This eliminates the need for separate external dispensing mechanisms. The cap wall itself serves as one boundary of the bladder containment structure, while the bottle shoulder serves as the opposing boundary, creating a simple compression-based rupture mechanism that does not require additional complex components.
Solution Approach 2:
The bottle cap structure itself provides the mechanism for bladder rupture. The cap wall is designed to compress the bladder against the bottle shoulder during the capping process. The geometry of the cap interior and bottle shoulder creates automatic mechanical advantage, where the simple act of screwing the cap on generates sufficient compressive force to rupture the bladder without requiring separate actuators, springs, or complex triggering mechanisms.
3Reliability
If a bottle cap is designed to fit one specific bottle thread, then it provides a secure seal, but it cannot adapt to bottles with different sizes and thread designs
Solution Approach 1:
The bottle cap is designed with a universal threading system that can accommodate multiple bottle thread types and sizes. The cap incorporates adjustable or interchangeable threading components that allow it to be configured for different bottle specifications. This multi-functionality enables a single cap design to serve multiple sealing applications across various bottle formats while maintaining reliable seals through proper thread engagement and sealing surface contact.
Solution Approach 2:
The cap structure incorporates dynamic elements that allow it to adapt to different bottle thread geometries during the capping process. The threading mechanism can adjust its engagement characteristics based on the specific bottle thread profile, and the sealing surfaces are designed to conform to varying bottle dimensions. This dynamic adaptability ensures reliable sealing across different bottle types without requiring completely different cap designs for each bottle specification.
4Device complexity
If existing bottle caps are used without substance dispensing capability, then the structure remains simple, but they lack the ability to deliver ingredients into beverages
Solution Approach 1:
The bladder containing ingredients is nested within the cap structure, utilizing the existing cap volume efficiently. The bladder rupture and ingredient dispensing occur automatically during the normal capping operation, requiring no additional user actions. This integration maintains the basic simplicity of the capping process while adding the ingredient delivery function through the nested bladder system.
Solution Approach 2:
The cap structure itself provides the mechanical means for bladder rupture and ingredient dispensing. The compression force generated during normal cap-to-bottle engagement automatically triggers the bladder failure and releases the ingredients into the beverage. This self-service mechanism eliminates the need for separate dispensing actions, buttons, or complex user interfaces, maintaining ease of operation while achieving ingredient delivery.
Data Source
AI summary
A universal bottle cap capable of threadably engaging two or more bottles of a different thread arrangement having a substance retained therein. The universal bottle cap threadedly engages a bottle containing a beverage therein. Such universal bottle cap includes a cylindrical member closed at a first end thereof and open at a second end thereof. There is a threaded portion disposed on an inner surface of the cylindrical member for engaging a threaded end of such bottle. A capsule like device is disposed inside the cylindrical member adjacent the closed end for retaining a substance to be dispensed into a beverage in such bottle. A device for piercing the capsule engages each of the threaded portion of the bottle cap and the capsule for piercing the capsule as the universal bottle cap is threaded onto such bottle thereby releasing contents of the capsule into such beverage for mixing therewith.