Pre-Insulated Pipe Fasteners for Noise Reduction
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Solution Overview
Problem
Existing plumbing arrangements with pre-insulated pipe sections are cumbersome, time-consuming, and costly to install, especially in tight spaces, and struggle to manage installation tolerances and reduce structure-borne noise.
Innovation Solution
A plumbing arrangement featuring pre-insulated pipe sections with fasteners made of rigid materials, such as metal or rigid plastics, that are fixedly connected to the insulation layer, allowing for easier on-site installation and noise reduction, using methods like embedding, adhesive bonding, or double-sided tape, and incorporating push fittings and extension insulation sections for continuous vertical plumbing lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate individual fasteners are installed on-site, then the pre-insulated pipe section can be connected to another structure, but the installation becomes cumbersome, time-consuming and costly
Solution Approach 1:
The fastener is merged with the insulation layer to form an integrated component. The fastener is embedded in the insulation layer during manufacturing, eliminating the need for separate installation steps and reducing on-site assembly complexity
Solution Approach 2:
The fastener is pre-installed and embedded in the insulation layer during factory manufacturing before the pipe section is shipped to the site. This preliminary action eliminates time-consuming on-site fastener installation and positioning work
2Manufacturing precision
If separate individual fasteners are installed on-site, then the pre-insulated pipe section can be connected to another structure, but installation tolerances become difficult to manage in tight spaces
Solution Approach 1:
The fastener and insulation layer are combined into a single integrated component with predetermined geometric relationships. This merging ensures precise positioning and eliminates tolerance accumulation issues that occur when assembling separate components in tight spaces
3Object-affected harmful factors
If conventional fasteners are used, then the pre-insulated pipe section can be connected to another structure, but structure-borne noise from the pipe to the structure cannot be prevented
Solution Approach 1:
The fastener is constructed as a composite structure with a rigid baseplate for mechanical strength and a resilient fastening member for noise isolation. This composite design allows the fastener to simultaneously provide strong structural connection and acoustic damping to prevent structure-borne noise transmission
4Ease of manufacture
If multiple separate parts are used for fasteners, then the connection can be achieved, but the number of parts is reduced in the invention
Solution Approach 1:
Multiple fastener components (baseplate, fastening member, and insulation layer) are merged into an integrated assembly where the fastening member is embedded in the insulation layer during molding. This reduces the number of separate parts that need to be handled and assembled on-site
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
Facilitates quick and cost-effective installation of pre-insulated pipe sections with reduced parts, improved noise isolation, and precise positioning, suitable for prefabricated modules in multi-story buildings, while maintaining thermal insulation efficiency.
Implementation Method 1
the fastening member is made resilient and is arranged to reduce structure-borne noise from the pipe to the structure to which the pre-insulated pipe section is connected by the fasteners
Implementation Method 2
the fastener is bonded with an adhesive on the outer surface of the insulation layer
Implementation Method 3
the fasteners are bonded with a double sided tape on the outer surface of the insulation layer
Data Source
AI summary
A plumbing arrangement having a pre-insulated pipe section. The pre-insulated pipe section includes a pipe and a thermal insulation layer of rigid foam molded to surround the pipe. The pre-insulated pipe section having fasteners made of rigid material fixedly connected to the insulation layer as integral parts for connecting the pre-insulated pipe section to another structure.