Film Pouch Grease Container for Leak-Free Reducer Lubrication
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Solution Overview
Problem
Speed reducers in industrial and transportation applications face challenges with lubricant efficiency at varying temperatures, as existing grease guns have low workability and tend to leak, and bellows-type containers are costly and prone to grease seepage.
Innovation Solution
A pouch container made of film material with a spout, filled with lubricant composition of specific viscosity and base oil proportion, integrated into a grease gun for easy connection and use, preventing leakage and allowing for efficient lubricant delivery and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bellows-type container is used to store grease, then the container can be refilled, but grease tends to leak from the lid portion and the cost increases due to required sealing layers
Solution Approach 1:
The patent uses a flexible pouch made of film material to contain the lubricant composition. The pouch replaces the rigid bellows-type container with lid, eliminating the lid sealing problem entirely. The flexible pouch can be compressed to dispense lubricant while maintaining containment, achieving both refillability and leak prevention without requiring complex sealing structures.
2Duration of action of stationary object
If a bellows-type container is used to store grease for long periods, then storage is possible, but a costly sealing layer is required to prevent ingredient seepage
Solution Approach 1:
The flexible pouch constructed from film material provides an effective barrier against lubricant seepage during long-term storage. The pouch design eliminates the need for expensive multi-layer sealing structures required in bellows-type containers, achieving both long-term storage capability and cost-effectiveness through the inherent properties of the film material and pouch construction.
3Productivity
If a filling type grease gun is used, then grease can be injected into the speed reducer, but the workability is low and grease may remain in the gun
Solution Approach 1:
The flexible pouch system enables self-contained lubricant delivery where the pouch itself facilitates complete dispensing. The pouch can be compressed to push out all lubricant composition, ensuring no grease remains in the container. This self-service mechanism eliminates the need for complex filling operations and improves both workability and injection efficiency.
4Quantity of substance
If conventional grease containers are used, then grease storage is possible, but the number of work steps increases and work time is extended when replacing grease
Solution Approach 1:
The invention divides the lubricant supply into discrete, replaceable pouch units. Each pouch is a self-contained segment that can be quickly inserted and removed from the grease gun. This segmentation allows for rapid replacement without complex disassembly or cleaning operations, significantly reducing grease replacement time while maintaining adequate storage capacity for lubricant composition.
Data Source
AI summary
A container includes a pouch formed of a film material and in which a lubricant composition with a worked penetration of 300 to 450 is filled and sealed, and a spout fixed to the pouch.