Pressurized Gas Hollow Golf Club Head Face Plate
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Solution Overview
Problem
Current golf club head technology does not effectively allow golfers with lower swing speeds to achieve the benefits of advanced club head technology, such as increased distance and accuracy, while also preventing damage to the club face at higher swing speeds, within the design criteria set by the USGA.
Innovation Solution
A hollow metal golf club head filled with compressed gas under pressure, with a thermoplastic coating to seal the interior surface and a spring-loaded valve for pressurization, allowing for a thinner club face that can withstand impact forces across various swing speeds without violating USGA regulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the club face is made thinner to allow greater distance for golfers with lower swing speeds, then the distance and accuracy for golfers with lower swing speeds is improved, but the club face becomes more susceptible to damage at higher swing speeds
Solution Approach 1:
The patent applies the counterweight principle by introducing pressurized gas (typically nitrogen) into the hollow cavity behind the club face. This pressurized gas acts as a counterbalancing force that supports the thin club face during impact, preventing it from bending or breaking even though the face is made thinner to improve distance for golfers with lower swing speeds.
Solution Approach 2:
The patent utilizes pneumatic principles by employing a pressurized gas system within the club head. A valve mechanism allows the introduction of compressed gas into the hollow cavity, creating internal pressure that reinforces the thin club face structure. This pneumatic support system enables the club face to maintain strength and resist impact forces without requiring increased thickness.
2Length of moving object
If the club head is made hollow to accommodate pressurized gas, then the club face can be thinner and more responsive, but the club head structure becomes more complex
Solution Approach 1:
The patent applies the nesting principle by placing a valve mechanism inside the hollow cavity of the club head. The valve is positioned within the existing structural cavity, allowing the pressurization system to be integrated into the club head design without adding external components. This nested arrangement minimizes structural complexity while enabling the thin club face design.
3Strength
If pressurized gas is introduced into the hollow club head, then the thin face plate can withstand impact forces, but a valve mechanism is required to maintain pressure
Solution Approach 1:
The patent applies the self-service principle through the spring-loaded valve mechanism that automatically maintains internal pressure. When the pressure differential across the valve reaches a certain threshold, the spring automatically opens the valve to release excess pressure, then closes it again. This self-regulating mechanism maintains optimal pressure without requiring external intervention or complex control systems, thereby supporting the thin face plate while minimizing added complexity.
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
Enables golfers with lower swing speeds to achieve greater distance and accuracy while preventing club face damage at higher swing speeds, maintaining compliance with USGA standards by using compressed gas to support the thinner face plates.
Implementation Method 1
A hollow metal golf club head filled with compressed gas under pressure, with a thermoplastic coating to seal the interior surface
Implementation Method 2
heating the club head to a temperature equal to at least the melting point of the thermoplastic material, rotating the head, while maintaining the temperature thereof, simultaneously through a vertical and a horizontal axis to coat the interior surface thereof with the melted thermoplastic material
Implementation Method 3
a valve which is disposed within a cavity formed at the time of manufacture of the club head preferably in the lower rear portion of the sole of the club head and which includes a spring-loaded member which is sealed against a surface within the cavity
Data Source
AI summary
A golf club having a hollow golf club head which is filled with a gas under pressure. The interior surface of the golf club head is coated with a solidified layer of plastic material. The pressurized gas permits the use of thinner face plates by compensating for forces generated when the face plate strikes a golf ball. The plastic layer is preferably applied through the process of rotational molding using a thermoplastic material.