FOAMED MOLDING APPARATUS FOR BOX

• Main Authors: NAKA SATSUJI, KODERA YOSHIE, TSUKAHARA MASAYUKI
• Format: Patent
• Language: English
• Published: 21.12.1982
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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 6-9, 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.