Check valve for vacuum bag

Patent Name Check Valve for Vacuum Packaging Bags Patent Owner Tiria International Inc. Principal Applicant Address California Inventor Li Jiezhu Application (Patent) No. 200380104777.2 Application Date 2003.10.10 Issue Date Approval Notice No. 1720172 Audit Announcement Date 2006.01.11 Specification CD-ROM D0602-1 Main classification number B65D30/24 (2006.01) I Classification number B65D30/24 (2006.01) I Division Original application number Priority item 2002.10.10 KR 20-2002-0030292; 2003.10.7 KR 20-2003-0031455 Abstract A non-return valve (100, 200) for vacuum packaging bags is mounted on a suction nozzle (2) of a packaging bag (1) in order to remove air from the bag (1). Discharged to the outside, the check valve (100, 200) includes a valve body (10, 210) including a hole (11, 211) formed at the bottom center of the valve body (10, 210). Above the hole (11, 211) is defined an interior space inside the valve body (10, 210), and a protrusion (14, 214) for being inserted into the suction nozzle (2), the protrusion ( The diameter of 14,214) decreases as it extends away from the hole (11, 211); and is used to open and close the hole The device of (11, 211) is installed in the internal space of the valve body (10, 210). Sovereign Item 1, a check valve 100, 200 for a vacuum packaging bag, is mounted on the suction nozzle 2 of a packaging bag 1 for discharging air from the packaging bag 1 to the outside. Such a check valve 100, 200 includes a valve body 10, 210 including a hole 11, 211 formed in the center of the bottom of the valve body 10, 210, and one of the holes 11, 211 is defined inside the valve body 10, 210. An inner space, and a protrusion 14, 214 for being inserted into the suction nozzle 2; the diameter of the protrusion 14, 214 decreases as it extends away from the hole 11, 211; and for opening and closing the hole 11, The device of 211 is installed in the internal space of the valve body 10, 210. International Application 2003-10-10 PCT/KR2003/002084 International Publication 2004-04-22 WO2004/033331 English