METHOD OF MANUFACTURING GUARD DEVICE NET Russian patent published in 1999 - IPC

FIELD: textile technology of netted articles of guard devices used to prevent foreign objects from getting into equipment of various applications. SUBSTANCE: method includes formation of meshes of main netted panel from several systems of highly strong high-modulus threads by their mutual laying-on or weaving, doubling and twisting to form loops which are connected with contour thread; securing of points of intersection of net panel with low-modulus threads to form an additional net and application of polymer coating to guard net. According to the invention, threads of the main system has the same breaking load and connected with contour thread with the help of high-strength high-modulus thread. One part of contour thread is laid in one of thread directions of one of the main systems of net panel before fastening of meshes with low-modulus threads. All net of the guard device is made of one or several symmetrical parts. EFFECT: higher protective properties and reliability of guard nets for gas-turbine engines of aircraft and other transportation vehicles to protect from birds and foreign objects. 3 dwg