Hisaka Works, Ltd.

House Food Industrial Company Limited

Nishirei Corporation

Tsutomu Yamamoto

Tamio Nagai

Ryuichi Tsutsumi

Yoshiaki Tokuda

Toshinori Murakami

Megumi Imamura

Takaji Nakata

Tetsuo Asahara

Shinji Sakamoto

Sterilizing method, apparatus and container of solid matter or liquid

A tray pressing device in a retort sterilizer for cooking foods, movable upward and downward individually, is provided correspondingly to each line of a tray at the uppermost stage of the tray. The tray pressing device comprises a plurality of trays which are in the retort sterilizer, a tray pressing plate which presses and covers the uppermost stage of trays in order to prevent from relieving the foods, a drive source which is installed on the retort sterilizer, and a connecting shaft which is connected the tray pressing place with the drive source. The tray pressing plate can be operated individually from the external section of the retort and be moved downward by its own weight and upward by the drive source installed on the retort through the connecting shaft. The foods are processed under high pressure and high temperature of hot water in the retort sterilizer.

Tray pressing device in a retort sterilizer for cooking foods

Growing community of inventors

Kashiba, Japan

Tsutomu Yamamoto