ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,982, issued on June 3.
"Plastic tube screen fill injection mold" was invented by Chong Mook Park (Falls Church, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention involves a fabrication of plastic-tube-screen-fill (PTSF) injection mold fabricating PTSFs using molten plastics injection molding machine. The PTSFs replace PVC-film-fills currently using in water evaporative cooling towers. The PTSFs have a higher water cooling efficiency compared to the efficiency of the PVC-film-fills and therefore the PTSFs reduce the operation and construction expenses of the cooling tower, and also the PTSFs reduce the production of plastic wast...