DAEWON KANG UP CO., LTD. Patent applications |
Patent application number | Title | Published |
20150352685 | COMPRESSION LINE SPRING GRINDING DEVICE AND GRINDING METHOD - Disclosed herein is an apparatus for grinding a compression line spring. The apparatus includes a lower chain conveyor ( | 12-10-2015 |
20130065157 | END PLATE FOR FUEL CELL INCLUDING SANDWICH INSERT - The present disclosure provides an end plate for a fuel cell including a sandwich insert, in which a metal insert has a sandwich insert structure including a plurality of stacked plates, thereby securing strength and achieving a lightweight structure. The sandwich insert is manufactured by staking two or more plates, each having a specific shape, followed by injection molding the sandwich insert with a plastic injection molded body, thereby securing strength and also achieving a lightweight structure, contrary to a conventional integral metal insert. | 03-14-2013 |
20130059227 | END PLATE FOR FUEL CELL INCLUDING ANTI-BENDING PLATE - Disclosed is an end plate for a fuel cell including an anti-bending plate, in which an anti-bending plate is assembled with an insert having a sandwich structure and the insert is injection molded, thereby easily preventing the insert from being bent due to an injection molding pressure. In the disclosed end plate, a sandwich insert including two or more stacked plates each having a specific shape is manufactured, and an anti-bending plate is coupled to the sandwich insert and then is injection molded, thereby easily preventing the sandwich insert from being bent due to a resin pressure in the injection molding process, contrary to a conventional integral metal insert. | 03-07-2013 |
20100050725 | APPARATUS FOR MANUFACTURING COIL SPRING - An apparatus for manufacturing a coil spring. In the apparatus, a body is provided and a pair of machining units are disposed on the body to oppose each other at one end thereof. In each of the machining units, a mandrel is disposed in an upper central part of the body. The mandrel is rotatably configured to wind a coil spring material around an outer circumference thereof. A first motor is disposed at the other end of the machining unit to provide a driving force for rotating the mandrel. Also, a guide roller part is disposed movable along a length direction of the mandrel to guide the coil spring material to be wound around the mandrel. Two coil spring materials produced from a furnace are wound around the mandrels, respectively to produce two coil springs through one process. | 03-04-2010 |