Phc Holdings Corporation

Takanari Kabumoto

Eiji Doi

Takumi Nishimura

Mitsuyuki Shirata

Kenichi Mizumoto

A drainage cap includes: a body part configured to be inserted to a drainage outlet; and a flange part provided at the body part, and including a notch and an opposing part at a peripheral portion of the flange part, the opposing part being configured to face a peripheral portion of the drainage outlet.

Drainage cap and cold storage

A method for manufacturing a heat insulation box, wherein said method involves disposing an outer box over the outside of an inner box such that there is space therebetween, covering an opening with an elastic sheet from the outside of the outer box, inserting a jig into the opening from the outside of the outer box to force the elastic sheet into the space between the inner box and the outer box, and injecting the urethane foam heat insulating material into the space between the inner box and the outer box so as to foam therein to form a recess with the elastic sheet tightly adhering to the surface thereof.

Growing community of inventors

Ehime, Japan

Takanari Kabumoto