Mitsubishi Denki Kabushiki Kaisha

Toshiaki Kunugi

Masamitsu Okamura

Norihiko Toyoda

Hiroshi Takayama

Masakatsu Kawasaki

A sandwich panel is manufactured-by providing: a first step (a), (b) of attaching another end portion of an insert whose one end portion is made sharp to an inner side of a facing member in which a hole is cut in advance; a second step (c) of pressing the insert into the core member such that the one end portion of the insert force-cuts a core member ; and a third step (d) of attaching another facing member to a side of the core member opposing the insert-inserting side thereof.

Growing community of inventors

Tokyo, Japan

Toshiaki Kunugi