Airless Pump Pack for Anaerobic Sealant Application
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing dispensers for anaerobically curable compositions face challenges in ensuring consistent application and preventing premature curing, particularly in production line scenarios, where time delays and orientation issues lead to imperfect sealing and contamination due to excessive material application.
Innovation Solution
A pack comprising a dispenser with an airless pump assembly, a reservoir, and an applicator that allows for the application of anaerobically curable compositions as a flat, even layer using a roller applicator, which can be used in any orientation and includes a spreader to regulate the composition's distribution, ensuring efficient and controlled dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional bead dispensing is used, then the anaerobically curable composition can be applied, but the application is inconsistent and may result in broken beads leading to imperfect sealing
Solution Approach 1:
The patent replaces traditional mechanical bead dispensing systems with an airless pump assembly that delivers the anaerobically curable composition through a controlled delivery system. This mechanical substitution eliminates the inconsistency of bead formation and ensures continuous, uniform application of the composition, thereby improving sealing quality and application reliability.
Solution Approach 2:
The invention changes the physical parameters of material delivery by transitioning from discrete bead dispensing to a continuous flow system controlled by an airless pump. This parameter change in delivery method ensures consistent application thickness and eliminates broken beads, directly addressing the reliability and precision issues in sealing applications.
2Manufacturing precision
If excessive material is applied, then complete coverage is achieved, but contamination occurs and aesthetic finish is compromised
Solution Approach 1:
The airless pump assembly incorporates a controlled delivery system that provides feedback mechanisms to regulate the flow of anaerobically curable composition. This feedback control ensures that the exact amount of material needed is delivered, preventing both insufficient coverage and excessive application that would lead to contamination and poor aesthetic finish.
Solution Approach 2:
The invention applies the principle of partial action by delivering precisely the amount of composition needed for complete coverage without excess. The controlled delivery system through the airless pump ensures that material is applied only where and in the quantity required, eliminating the harmful effects of excessive material application while maintaining complete coverage.
3Productivity
If dispensing equipment is used for repeated application, then productivity increases, but premature curing of undispensed composition may occur
Solution Approach 1:
The airless pump assembly creates and maintains an oxygen-free (inert) environment within the composition delivery system. This inert atmosphere prevents premature curing of undispensed anaerobically curable composition while enabling repeated applications, thus maintaining both productivity and cure stability in production line scenarios.
Solution Approach 2:
The airless pump assembly acts as an intermediary between the composition storage and application points, providing a controlled environment that protects the curable composition from premature reaction. This intermediary system enables repeated dispensing operations while maintaining the stability of undispensed material, resolving the contradiction between productivity and reliability.
4Adaptability or versatility
If time delays occur between dispensing actions, then the dispenser can be used flexibly, but the dispenser becomes contaminated with cured product blocking flow
Solution Approach 1:
The airless pump assembly maintains an oxygen-free environment throughout the delivery system, preventing cured product formation even during time delays between dispensing actions. This ensures the dispenser remains free from contamination and flow blockages, maintaining both flexibility and reliability in various dispensing scenarios.
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 enables reliable, continuous, and controlled application of anaerobically curable compositions, reducing waste and contamination, while maintaining the anaerobic environment necessary for curing, resulting in improved sealing and aesthetic finishes.
Implementation Method 1
a dispensing pump for pumping the anaerobically curable composition from the reservoir out through the outlet
Implementation Method 2
The applicator may be a roller for example a foam roller. It will be appreciated that rolling the roller back and forward allows for even application of a layer of anaerobically curable composition.
Implementation Method 3
the spreader which regulates dispensing of anaerobically curable composition onto the applicator so that the anaerobically curable composition is spread across the entire applicator surface
Implementation Method 4
Anaerobically curable compositions such as adhesives and sealants cure, set-up or polymerise in the absence of oxygen (air)
Data Source
AI summary
A pack comprising: a dispenser for anaerobically curable composition; and anaerobically curable composition held within the dispenser. The dispenser has(a) a reservoir in which anaerobically curable composition is held, the reservoir having an outlet through which the anaerobically curable composition can be dispensed;(b) a dispensing pump for pumping the anaerobically curable composition from the reservoir out through the outlet.The reservoir and pump together form an airless pump assembly. An applicator with an applicator surface, for example a roller, is in communication with the outlet, the applicator for applying to a substrate the anaerobically curable composition that is dispensed by the pump from the reservoir out through the outlet. The pack provides a convenient way of forming of applying anaerobically curable composition in a thin even layer.