Patent 6920742 was granted and assigned to LG on July, 2005 by the United States Patent and Trademark Office.
A portable membrane packing apparatus includes a holding-and-drawing rod, two reel connecting units, a first roller unit, a swaying plate, a connecting plate, a second roller unit, and four elastic compressing units. The first roller unit is axially assembled at the ends of the opposite combing rods, and the swaying plate and the connecting plate are respectively provided between the first roller unit and the combining rods, with the swaying plate restricted to sway biasly.