Scrim-Reinforced Insulation Sheet for Tear-Resistant Handling
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Solution Overview
Problem
Conventional fiberglass insulation sheets used in high-thermal-load appliances tend to tear during installation due to the separation of small fiberglass particles, compromising ease of handling and structural integrity.
Innovation Solution
A layered composite is developed, incorporating an insulation sheet with at least one scrim layer embedded within or bonded to its surface, which provides structural support and traps fibers or particles, preventing tearing and improving handling during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical features are incorporated into conventional fiberglass insulation sheets to improve particle retention, then particle retention is improved, but tensile strength is reduced
Solution Approach 1:
The patent combines fiberglass insulation material with a scrim layer to create a composite structure. The scrim layer, made of a different material with high tensile strength, is integrated with the fiberglass insulation to form a unified composite product that leverages the particle retention properties of the fiberglass and the structural strength of the scrim.
2Ease of operation
If the insulation sheet is made flexible for ease of handling, then ease of operation is improved, but structural integrity deteriorates
Solution Approach 1:
The flexible fiberglass insulation sheet is combined with a scrim layer that provides structural reinforcement. This composite structure maintains the flexibility and ease of handling of the fiberglass while adding the tensile strength and structural integrity of the scrim, resolving the contradiction between flexibility and strength.
Data Source
AI summary
A layered composite includes an insulation sheet and at least one scrim layer secured thereto. The at least one scrim layer may be embedded within the thickness of the insulation sheet, or bonded to a corresponding face of the insulation sheet, and have a tensile strength greater than that of the insulation sheet. As such, the scrim layer provides structural support to the insulation sheet as well as a trap for fibers or particles that may separate from the insulation sheet.