Injection-Molded Baseboard with Ventilation Channels
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Solution Overview
Problem
Sports floors with shock absorbers between the wood floor and concrete slab are prone to moisture accumulation, leading to swelling and reduced performance, and existing vented baseboards are costly, difficult to handle, and lack a uniform appearance.
Innovation Solution
A lightweight, injection-molded baseboard with ventilation channels and a flexible, uniform coating to mask manufacturing flow lines, providing adequate airflow and resistance to marks while being cost-effective and easy to handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If vented baseboards are manufactured using compression molding, then uniform color is achieved, but manufacturing efficiency decreases and cost increases
Solution Approach 1:
The patent changes the manufacturing parameter from compression molding to injection molding, and adjusts the material formulation to include fillers and pigments that maintain uniform color appearance while being compatible with injection molding processes, thereby resolving the contradiction between achieving uniform color and maintaining high manufacturing efficiency
Solution Approach 2:
The baseboard uses composite materials including thermoplastic polymer, fillers, and pigments formulated specifically for injection molding, creating a material composition that achieves uniform appearance while being suitable for high-speed injection molding production, thus resolving the efficiency-uniformity trade-off
2Reliability
If baseboards are designed with grooves or slots for air circulation, then ventilation is improved, but manufacturing cost and complexity increase
Solution Approach 1:
The patent incorporates porous or perforated sections directly into the baseboard structure during injection molding, creating ventilation channels without requiring separate grooves or slots to be added later. This integrated approach maintains ventilation effectiveness while reducing manufacturing complexity and avoiding additional processing steps
Solution Approach 2:
The ventilation function is merged into the baseboard's structural design itself, combining the air circulation function with the structural support function in a single integrated component, thereby eliminating the need for separate ventilation elements and reducing overall device complexity
3Productivity
If injection molding is used to manufacture baseboards, then manufacturing efficiency and cost-effectiveness are improved, but flow lines and marbled appearance are created
Solution Approach 1:
The patent adjusts injection molding parameters including temperature, pressure, and injection speed, and modifies the material formulation with additives that control flow characteristics, to minimize flow line defects while maintaining the efficiency benefits of injection molding, thus resolving the contradiction between manufacturing efficiency and surface uniformity
Solution Approach 2:
The patent uses pigments and colorants in the material formulation, along with surface finishing treatments, to mask flow lines and create a uniform appearance, thereby hiding the visual defects caused by injection molding while preserving the manufacturing efficiency advantages
4Strength
If baseboards are made heavier for structural strength, then durability is improved, but shipping and handling costs increase
Solution Approach 1:
The patent uses composite materials with high strength-to-weight ratio, incorporating reinforcement fibers or structural additives within a lightweight thermoplastic matrix, achieving the required structural strength and durability while minimizing weight, thus resolving the contradiction between strength and weight
Solution Approach 2:
The patent applies reinforcement materials or structural enhancements only in specific areas where strength is needed, rather than uniformly throughout the entire baseboard, maintaining durability where required while keeping the overall weight low for easier shipping and handling
Data Source
AI summary
A baseboard for covering an expansion gap at an intersection of a vertical wall and a floor. The baseboard includes a substantially L-shaped body formed of a thermoplastic material and having a toe portion and a wall portion. The toe portion has a front side and a back side, and the wall portion has a front side, a back side, an upper end, and a lower end. The back side of the wall portion is provided with a plurality of spaced-apart ventilation channels extending entirely across the wall portion from the upper end of the wall portion to the lower end thereof to permit air-flow to and from the floor gap. At least the front side of the toe portion and the front side of the wall portion is coated with a flexible coating.