| KANG NA HSIUNG ENTERPRISE CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120125343 | FACE MASK AND METHOD FOR MAKING THE SAME - A method for making a face mask includes: cutting an elastic sheet to form an ear hanging strap having an opening; forming a cup-shaped mask body; thermal-bonding the cup-shaped mask body to a bonding portion of the ear hanging strap surrounding the opening; and forming two ear hanging holes in the ear hanging strap at two opposite sides of the opening. A face mask made by the above method is also provided. | 05-24-2012 |
| 20110192888 | FACE MASK COMBINATION AND AUTOMATIC PACKAGING METHOD FOR FACE MASKS - A face mask combination includes: an envelope having two interconnected sheet layers that confine a space therebetween, an opening formed in one of the sheet layers, and a closure sheet closing openably the opening and attached adhesively and releasably to the sheet layer formed with the opening; and at least one face mask disposed in the space and having two opposite ends, one of the opposite ends being disposed in proximity to the opening so as to be exposed from the opening when the closure sheet is opened. An automatic packaging method for face masks is also disclosed. | 08-11-2011 |
| 20110055998 | FACE MASK AND METHOD FOR MAKING THE SAME - A method for making face masks includes: advancing continuously a longitudinal sheet material that can be divided into a plurality of mask sheets each of which has two opposite longitudinal ends and two opposite transverse ends; cutting the sheet material at intervals to form the mask sheets; providing a plurality of strips each of which has two longitudinally opposite strip ends and each of which is folded to form a pleat between the two strip ends thereof; and bonding the two strip ends of each of the strips to one of the opposite transverse ends of a respective one of the mask sheets to form an ear loop. A structure of the face mask is also disclosed. | 03-10-2011 |
| 20100186595 | COMPOSITE FILTER AND GAS FILTER ASSEMBLY INCLUDING THE SAME - A composite filter includes a mesh screen layer having 30 to 200 mesh, a first non-woven fabric layer disposed on the mesh screen layer, and a second non-woven fabric layer disposed between the mesh screen layer and the first non-woven fabric layer. The first non-woven fabric layer has a higher filtration efficiency than that of the second non-woven fabric layer for particles having a particle size of 0.3 μm. A gas filter assembly includes the aforesaid composite filter pleated in a zigzag fashion, and a frame for holding and surrounding the composite filter. | 07-29-2010 |
| 20090102075 | DIFFUSER FOR AN AERATION SYSTEM - This invention relates to a diffuser for an aeration system, comprising a base, a diaphragm and a valve member attached to the diaphragm. The base is provided with a valve seat for engaging with the valve member to close the inlet of the aerating gas. Furthermore, the diaphragm includes a central portion, a peripheral portion attached to the periphery of the base, and a surrounding web segment interposed therebetween. The surrounding web segment includes a plurality of fibrous filaments which are arranged to form a textured structure with a plurality of pores of a dimension such that the aerating gas, when introduced, is permitted to be bubbled through said plurality of pores, so as to form fine and small bubbles in the water. | 04-23-2009 |
