Rigid Thermoplastic Adhesive Container with Venting and Desiccant
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Solution Overview
Problem
Existing adhesive containers, particularly those for moisture-sensitive two-part systems, lack an effective moisture barrier, leading to reduced useful life due to exposure to rain, temperature extremes, and sunlight, which compromises the adhesive's suitability for use.
Innovation Solution
A rigid thermoplastic container with a low moisture vapor permeation rate, featuring a top wall, bottom wall, side walls, a dispensing port, and a venting port, designed for stacking and easy handling, which can be used with a gravity-fed dispenser to ensure continuous flow while minimizing moisture ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If flexible plastic bags or bladders are used for adhesive storage, then the containers are lightweight and easy to handle, but they provide inadequate moisture vapor barrier protection
Solution Approach 1:
The patent changes the physical state parameter of the container from flexible to rigid by using rigid thermoplastic material instead of flexible plastic bags. This parameter change provides both the necessary moisture vapor barrier protection and the structural strength to protect against external environmental factors while maintaining ease of handling through the rigid structure's stability.
2Object-affected harmful factors
If rigid thermoplastic containers are used for adhesive storage, then moisture barrier characteristics are improved, but the container weight increases
Solution Approach 1:
The patent employs composite material construction by combining rigid thermoplastic material with an insulating foam layer. This composite structure provides superior moisture barrier characteristics and environmental protection while the foam layer adds thermal insulation properties. The design balances the weight increase by optimizing the thickness and density of the foam layer to achieve necessary protection without excessive weight.
3Volume of stationary object
If bulk adhesive containers are stored outside, then storage space is optimized, but exposure to rain, temperature extremes and sunlight reduces useful life
Solution Approach 1:
The rigid thermoplastic container with integrated foam insulation layer creates a protective composite structure that shields the adhesive from external environmental factors including rain, temperature extremes, and UV radiation. This allows the container to be stored outdoors without compromising the adhesive's useful life, as the composite walls provide both mechanical protection and environmental isolation.
Solution Approach 2:
The container design incorporates beforehand cushioning by integrating thermal and moisture barrier properties into the container walls before the adhesive is exposed to harmful environmental conditions. The rigid thermoplastic and foam insulation provide pre-established protection against temperature extremes and moisture, preventing degradation before it can occur.
4Productivity
If the vent port remains open for continuous adhesive flow, then dispensing efficiency is improved, but moisture can enter the container
Solution Approach 1:
The patent introduces a desiccant packet as an intermediary element placed inside the container near the vent port. This desiccant acts as a moisture trap that allows air to pass through for pressure equalization and adhesive flow while capturing any moisture that enters through the open vent, thus maintaining both dispensing efficiency and moisture protection.
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 container effectively prevents moisture contamination, maintains adhesive quality, and allows for efficient storage and use of moisture-sensitive materials under extreme conditions, extending the adhesive's useful life and facilitating easy handling and dispensing.
Implementation Method 1
A rigid thermoplastic container with a low moisture vapor permeation rate
Implementation Method 2
The vent allows for the constant downward flow of the adhesive into the dispenser
Data Source
AI summary
A container for use in a gravity-fed dispenser, particularly for construction adhesives, includes a top surface with an outlet port, a bottom surface with a venting port and side walls, said side walls including two opposed indentations that provide handle grasps for a user, allowing the user to hold the container in an upside down position while it is attached to a dispenser. The vent on the bottom surface allows the contents to flow evenly through gravity out of the outlet port.