What is a free port cold cosmetics cosmetics packaging hose production moulds

Generally in the process of injection molding, molten material from the nozzle into the cosmetics cosmetics packaging hose production molds, after the mainstream way, distributary channel and the gate into the cavity, and in cosmetics plastic soft hose cosmetics packaging production the mould cooling, cooling, solidified into out along with the products. Therefore, enters the second injection molding cycle, the molten material consumes part of heat energy and form new useless cold runner. To overcome this drawback, the idea can often keep the temperature of the flow channel make the material has been in a molten state, not channeling cold material, producing no cold runner material cosmetics cosmetics packaging hose production mold.