PURPOSE: To facilitate attaching and detaching of a wave guide to a wall of a box, by providing an electromagnet to a flange part of the wave guide of an apparatus which supplies a foaming resin liquid and high frequency energy into a box of a magnetic substance and fills its inside with a foamed object.
CONSTITUTION: In an apparatus by which a box body, a door, etc. of a refrigerator are manufactured, high frequency energy being supplied from a wave guide 14 into an inside part of a box 10, 11 composed of a magnetic substance within molds 6W9, a foaming resin liquid being fed from a head 4 and an inside part of the box 10, 11 being filled with a foamed object, a magnet 22 is provided to a back side of a flange 18A of the wave guide 14, 17 joined to a wall face of the box 10. Also a high frequency wave supply window 21 is in advance prepared at a wave guide 14, 17 jointing part of the box 10.
KODERA YOSHIE
NAKA SATSUJI
Next Patent: FOAMING METHOD OF RESIN