| 摘要 |
PROBLEM TO BE SOLVED: To open an air vent hole in an optionally set position, but not open it over the whole circumference of a door weatherstrip. SOLUTION: This drilling device for the air vent hole H of a door weatherstrip W is so formed that an air vent hole boring machine 6 to which an air vent hole H is opened in the hollow seal part W2 of a door weatherstrip W is arranged in the front or rear part of a drilling machine 1 for a fastener insertion hole, which drills at predetermined intervals through the mounting base W1 of the moving weatherstrip W. The air vent hole boring machine 6 opens the air vent hole H in the desired position of the hollow seal part W2 of the door weatherstrip W according to a set value inputted to a controller 5 arranged in the drilling machine 1 for the fastener insertion hole. |
