Carpet seaming iron
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Solution Overview
Problem
Existing carpet seaming irons take longer to reach operational temperature and can thermally damage carpets due to excessively hot surfaces.
Innovation Solution
A carpet seaming iron with a heater plate of reduced thermal mass (approximately 400 J/K) made from lightweight metals like aluminium alloys, combined with a heat shielding system that includes thermally insulating components to reduce heat loss and energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a carpet seaming iron with traditional cast iron heating plate is used, then the heating plate can maintain stable temperature, but it takes longer to reach operational temperature and the top surface becomes excessively hot causing thermal damage to carpets
Solution Approach 1:
The patent changes the material parameter of the heating plate from cast iron to aluminium alloy, which has different thermal properties (lower density, higher thermal conductivity). This parameter change enables the heating plate to reach operational temperature faster while maintaining adequate temperature stability for activating the adhesive.
2Temperature
If a carpet seaming iron with traditional cast iron heating plate is used, then the heating plate can maintain stable temperature, but the top surface becomes excessively hot causing thermal damage to carpets
Solution Approach 1:
The patent changes the material parameter of the heating plate from cast iron to aluminium alloy. Aluminium has lower specific heat capacity and thermal mass compared to cast iron, which reduces the amount of heat stored in the plate. This parameter change lowers the top surface temperature to prevent thermal damage to carpets while maintaining sufficient temperature for adhesive activation.
3Temperature
If a carpet seaming iron with traditional cast iron heating plate is used, then the heating plate can maintain stable temperature, but energy consumption increases
Solution Approach 1:
The patent changes the material parameter of the heating plate from cast iron to aluminium alloy. Aluminium's lower thermal mass and higher thermal conductivity enable faster heating and more efficient heat transfer to the adhesive. This parameter change reduces the total energy consumption while maintaining the temperature stability needed for the seaming process.
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 allows for quicker heating to operational temperature, reduces the risk of carpet damage, and minimizes energy consumption, making the process more efficient and safer.
Implementation Method 1
at least one electrical heating element in thermal communication with a heater plate
Implementation Method 2
the heat shielding system may comprise at least one thermally insulating component
Data Source
AI summary
A carpet seaming iron comprising a heater plate arranged for contact with at least one of carpet seaming tape and carpet, and at least one electrical heating element in thermal communication with a heater plate. The carpet seaming iron may be cordless and comprise a battery in the form of a rechargeable battery.