METHOD OF MANUFACTURING A CORE MEMBER FOR A WEATHER STRIP USING STEEL WIRE ROLLING AND A CORE MEMBER FOR A WEATHER STRIP MANUFACTURED BY THE SAME

摘要

The present invention relates to a method for manufacturing a core material for weather strip using steel wire rolling capable of remarkably increasing productivity by having the strength which can appropriately bear various external forces applied during the manufacturing process for manufacturing a weather strip and also capable of preventing the shape of the core material from being deformed by the rolled part in every directions by rolling the bent wire made of a steel wire into the flat core material. The manufacturing method includes: a bent wire forming step for forming a vent wire which has the predetermined width and extends in the lengthwise direction by bending a steel wire to have a zigzag shape; a rolling preparing step for preparing so that the bent wire is vertically rolled through a roller by installing the roller made of a pair of rolls vertically in the front end of the bent wire; a bent wire transferring step for horizontally transferring the bent wire in the lengthwise direction toward the rolls; and a bent wire rolling step forming a rolled bent part which has the rectangular cross section and which is flat with the constant thickness by rolling the bent wire passing between the rolls of the roller according to the transfer of the bent wire. [Reference numerals] (S10) Bent wire forming step; (S20) Rolling preparing step; (S30) Bent wire transferring step; (S40) Bent wire rolling step; (S50) Repeat rolling step