Exothermic Massage Shells with Thermal-Resistant Adhesive
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Solution Overview
Problem
Existing heated massage implements, including natural stones and bivalve shells, suffer from temperature fluctuations during use, leading to inefficiencies in massage therapy and adhesive failure due to expansion and contraction from repeated heating and cooling cycles.
Innovation Solution
Exothermic therapeutic massage implements featuring a heat conducting vessel with a reactant and activator combination that generates a sustained elevated temperature through an exothermic reaction, and a bivalve shell adhesive using an elastomeric polymer bonding agent with a flexible resin sealant to maintain temperature and prevent adhesive failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If natural stones or ceramic implements are heated with an external heat source, then the implements reach the desired temperature for massage, but the implements constantly cool down and require repeated reheating, reducing massage efficiency
Solution Approach 1:
The massage implement contains an exothermic reaction mixture (reactant and activator) that generates heat internally without requiring external heat sources. The implement serves itself by maintaining temperature through the chemical reaction, eliminating the need for repeated reheating and allowing continuous massage without interruption.
Solution Approach 2:
The patent changes the temperature maintenance mechanism from external heating to internal exothermic chemical reaction. By incorporating reactive powder mixture and activator into the implement, the system transforms how temperature is generated and sustained, providing prolonged heat without external intervention.
2Temperature
If the massage implement is heated to the desired temperature, then therapeutic effect is achieved, but the implement must be carefully monitored to avoid overheating and burning the recipient
Solution Approach 1:
The exothermic reaction mixture self-regulates the temperature within a safe range through its chemical properties. The reaction naturally limits maximum temperature, eliminating the need for continuous monitoring and adjustment by the therapist, thus simplifying operation while maintaining safe and effective temperature.
3Shape
If natural bivalve shells are used for massage, then the natural aesthetic and texture are achieved, but the adhesive holding the shell halves together fails due to repeated heating and cooling cycles
Solution Approach 1:
The patent changes the thermal regime of the shell from repeated heating and cooling cycles to sustained exothermic heating. By eliminating the thermal cycling that causes expansion and contraction, the adhesive bond remains stable and durable throughout the product lifecycle.
Solution Approach 2:
The patent converts the potential harm of thermal stress into benefit by using exothermic reaction to heat the shell uniformly from within. This internal heating method avoids the thermal cycling that would otherwise damage the adhesive, while still providing the necessary heat for massage therapy.
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 exothermic reaction maintains the massage implement at a constant elevated temperature for extended periods, reducing the need for frequent reheating and preventing adhesive failure from thermal expansion, thus enhancing massage efficiency and durability.
Implementation Method 1
Combining the reactant with an activator causes an exothermic reaction that heats the wall and maintains the wall at a substantially constant elevated temperature for a duration of time
Implementation Method 2
a heat conducting vessel having an inner chamber surrounded by a wall with an inner surface and an outer surface
Data Source
AI summary
An exothermic natural massage shell includes a natural bivalve shell comprising a first half and a second half adhered together with an adhesive to form a hollow chamber. An aperture is formed in the first half to provide a portal to the hollow chamber of the bivalve shell. A reactant is disposed inside the hollow chamber of the bivalve shell. The reactant may be a reactive powder mixture disposed inside a fluid-permeable pouch. Combining the reactant with an activator inside the hollow chamber of the bivalve shell causes an exothermic reaction that heats the bivalve shell and maintains the bivalve shell at a substantially constant elevated temperature for a duration of time. The adhesive adhering the first shell half to the second shell half includes a first elastomeric polymer bonding agent with balanced coefficient of expansion properties and a second flexible resin sealant that makes the adhesive moisture-proof.