Plastic seals include public seals spout and plastic seals. There is spring fastener of plastic seal, there is partial gap at spring fastener boss; there is boss at public seal spout.
After penetrating plastic seal into public seal spout of cover and bottom shell, as long as pulling out spring fastener boss of plastic seal, the two parts can separate, and plastic seal once broken can not be restored. Even penetrate the broken plastic seals, because spring fastener boss is pulled out, the spring section part tightly adheres to public spout inner wall during penetration process, the rupture section part of plastic seal meets with the boss of public spout bottom and unable to penetrate, plastic seal edge will be exposed outside of cap. It is easy to find plastic seal is already broken, which can effectively prevent electricity stolen, save copper or wire. Advantages of plastic seal
Plastic seals have the following features: convenient in use, high temperature production, high hardness, strong tenacity, clearness, no lead poison or pollution. It is the most economic environmental protection product.
It is used at electric meters, water meters, post bags, mechanical seals, instrument, electricity, gas, water supply, army, petroleum transportation, chemistry, mineral, post, customs, railway, finance, cabinet, commercial inspection, transportation products processing, enterprise products inspection, packing barrel sealing, energy measuring, anti-theft leakage, etc.
