Resin Litter Box Smoothing Process for Odor Prevention
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Solution Overview
Problem
Conventional animal litter boxes made of resin with uneven surfaces risk urine accumulation in protrusions and recesses, leading to unpleasant odors and dirt accumulation.
Innovation Solution
A manufacturing method for an animal litter box that includes a mold preparation and resin injection process, followed by a smoothing process to reduce the formation of protrusions and recesses on the resin surface, ensuring urine can pass through without accumulating in these areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If resin is used to make the animal litter box, then the litter box is durable and easy to clean, but the resin surface develops unevenness with protrusions and recesses that cause urine accumulation and unpleasant odors
Solution Approach 1:
A smoothing process is performed on the resin surface while it is still in the mold cavity after injection but before demolding. This preliminary smoothing action prevents protrusions and recesses from forming on the urinary contact surface, eliminating the root cause of urine accumulation and odor while maintaining the durability of resin material
2Object-affected harmful factors
If the resin surface is smoothed to prevent urine accumulation, then odor and dirt accumulation are reduced, but the manufacturing process becomes more complex
Solution Approach 1:
The smoothing process is merged with the injection molding process by performing the smoothing action while the resin is still in the mold cavity. This integration combines two operations into one continuous process, avoiding the need for separate post-processing steps and reducing overall manufacturing complexity while effectively preventing surface unevenness
Data Source
AI summary
A manufacturing method of an animal litter box includes: a mold preparation process of preparing a mold for molding a resin molding product that forms at least a part of the animal litter box and has a urinary contact portion, the mold including an injection hole for injecting resin; a resin injecting process of injecting the resin from the injection hole; and a smoothing process of smoothing the resin of the urinary contact portion, the resin facing an inner opening of the injection hole, after the resin injecting process.