Viscoelastic Gun Barrel Cap for Thermal Insulation and Grip
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Solution Overview
Problem
Gun barrels are prone to contamination and damage from dirt and debris, especially in extreme environments, and existing solutions fail to effectively protect the muzzle end from high temperatures and burns during semi or fully automatic firing.
Innovation Solution
A high-strength, high-temperature resistant polymeric gun barrel cap made from viscoelastic materials like elastomers and thermoplastic elastomers, with additives for improved grip, heat resistance, and insulation, securely fits over the muzzle to prevent contamination and protect operators from burns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a hard plastic rail cover attachment is used, then structural strength is improved, but gripping comfort and shock absorption are worsened
Solution Approach 1:
The rail cover attachment uses a composite structure combining a hard plastic rail attachment body (providing structural strength) with a softer polymeric material covering the gripping surfaces (providing comfort and shock absorption). This composite approach allows each material to perform its optimal function without compromise.
2Ease of operation
If a soft polymeric material is used for the rail cover, then gripping comfort is improved, but structural strength and heat resistance are worsened
Solution Approach 1:
The patent employs a composite material system where a hard plastic core provides structural integrity and heat resistance, while a softer polymeric covering layer (such as rubber, silicone, or thermoplastic elastomer) provides enhanced gripping comfort and shock absorption. The materials are bonded together to create a unified component that delivers both softness and strength.
3Object-affected harmful factors
If a rigid barrel cover is used, then protection from contaminants is improved, but adaptability to different barrel sizes is worsened
Solution Approach 1:
The barrel cap utilizes a flexible polymeric material that can elastically deform to accommodate different barrel diameters while maintaining a tight seal. The material's elasticity allows the cap to stretch over the barrel and then conform to its shape, providing effective contamination protection across multiple barrel sizes without requiring precise sizing.
4Duration of action of stationary object
If a hard material is used for the barrel cap, then durability is improved, but shock absorption and vibration dampening are worsened
Solution Approach 1:
The barrel cap is constructed from a flexible polymeric material that inherently provides shock absorption and vibration dampening through its elastic properties. Despite being flexible, the material maintains durability by resisting degradation from moisture, grease, and temperature variations, and by providing a protective barrier against physical damage.
Data Source
AI summary
A barrel cap for attachment to a muzzle of a gun barrel and to cover the muzzle opening of the gun barrel.