METHOD FOR MANUFACTURING ENVIRONMENT FRIENDLY AIR FILTER

摘要

Disclosed is a method for manufacturing an air filter having constituent members such as upper and lower cap for air filter in the form of ring or quadrangle, inner and outer punched plate member, etc. using environmentally friendly cotton fiber and pulp as main material. Paperboard for upper and lower caps and inner and outer punched members having cotton fiber and pulp as main componenets are formed, The parperboard for the caps is cut in a specific form depending on sizes every kind and is dipped in water for 30-120 seconds and is pressed on a corresponding mold. The paperboard for the punched members is placed on a press provided with a punching mold and is punched using the press and is cut in sizes corresponding to regulations of the inner and outer punched members every kind. The cut paperboards for the punched members are adhered. A filter paper is inserted between the manufactured inner punched member and the outer punched member. Both ends of the inner and outer punched members with the inserted filter paper are coupled to the upper and lower caps with glue. The coupled caps and the punched members are dried in a drying furnace.