Modular Fabrication Tool for Prefabricated Ductwork Insulation Wraps
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Solution Overview
Problem
The current methods for insulating ductwork are time-consuming, labor-intensive, and result in material waste due to the need for precise cutting and handling of bulky insulation rolls, often leading to compromised thermal resistance and inefficiency in installation.
Innovation Solution
A modular fabrication tool with interchangeable panels that can be assembled to match the shape of duct segments, allowing for precise cutting and marking of insulation pieces directly from larger rolls, reducing waste and improving installation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If insulation is cut piece-by-piece from large rolls during installation, then the insulation can be obtained on-site without additional manufacturing, but the cutting process is time-consuming and labor-intensive
Solution Approach 1:
The patent applies preliminary action by providing pre-cut insulation segments that are prepared in advance with adhesive already applied. These pre-prepared segments eliminate the need for on-site cutting and adhesive application, directly resolving the contradiction by maintaining on-site installation capability while dramatically improving installation speed through the pre-prepared nature of the segments.
2Productivity
If insulation segments are cut imprecisely, then the cutting process is simpler and faster, but material waste increases and re-cutting is required
Solution Approach 1:
The patent applies preliminary action by pre-cutting insulation segments to precise dimensions before installation. This pre-preparation ensures accurate sizing that eliminates material waste from re-cutting while maintaining simple, fast installation. The segments are manufactured with exact dimensions needed for specific duct configurations.
Solution Approach 2:
The patent replaces the manual mechanical cutting process performed during installation with a controlled manufacturing process that produces pre-cut segments. This substitution eliminates the imprecision of on-site cutting tools and operator skill variations, ensuring consistent, waste-free dimensions while speeding up installation.
3Reliability
If insulation segments are cut too large, then sufficient coverage is ensured, but installers compress the insulation which compromises thermal resistance
Solution Approach 1:
The patent applies preliminary action by pre-cutting insulation segments to the exact dimensions required for proper fit. This pre-preparation ensures that segments are neither too large (causing compression) nor too small (insufficient coverage). The precise manufacturing process guarantees optimal dimensions that maintain thermal resistance while ensuring adequate coverage.
4Adaptability or versatility
If every side of the duct requires individually cut insulation pieces, then custom fitting to specific profiles is achieved, but the number of cutting operations and assembly steps increases
Solution Approach 1:
The patent applies merging by combining multiple insulation segments into a single integrated wrap structure that conforms to the entire duct profile. This unified design maintains adaptability to various duct shapes and sizes while reducing the number of separate cutting and assembly operations required during installation.
Solution Approach 2:
The patent applies universality by designing insulation segments that can be configured for different duct profiles through modular assembly. The segments feature standardized connection mechanisms that allow them to adapt to various duct shapes and sizes, providing versatility without requiring custom-cut pieces for each configuration.
5Ease of manufacture
If insulation rolls are stored in large bulk in the warehouse, then inventory management is simplified, but space requirements and transportation costs increase
Solution Approach 1:
The patent applies segmentation by dividing large insulation rolls into smaller, pre-cut segments that are packaged in compact units. This segmentation maintains simplified inventory management through standardized packaging while dramatically reducing the volume required for warehouse storage and transportation compared to bulk roll storage.
Solution Approach 2:
The patent applies discarding and recovering by transitioning from storing large insulation rolls to storing pre-cut segments. The unused portions of insulation are minimized through precise pre-cutting, and packaging materials are optimized for compact storage. This approach reduces overall warehouse volume while maintaining inventory control through standardized segment packaging.
Data Source
AI summary
A modular fabrication tool for prefabricating insulation for a duct segment includes at least three interchangeable and detachably connected panels, each panel of the at least three panels corresponding to a respective side of the duct segment. Each panel includes at least one of a connecting bar extending beyond a periphery of the respective panel or a connecting track. A connecting bar of one panel is received by a connecting track of a neighboring panel when two neighboring panels are properly positioned, adjoined together, whereby a retaining pin of the tool is advanceable through aligned, respective apertures of the connecting track and the connecting bar received therein.