Oiles Corporation

Ones Co., Ltd.

Teruo Aramizu

Go Tanaka

Tadashi Sasahara

Hideki Kiriaki

Masatoshi Oishi

A hydraulic pressure spring includes a hollow cylindrical cylinder having a threaded portion at one end thereof; a closure means which is threadedly engaged with the threaded portion at the one end of the cylinder and closes the one end of the cylinder; a closure means which is provided at the other end of the cylinder and closes the other end of the cylinder; a compressible liquid which is sealed in an interior of the cylinder and is pressurized to a predetermined pressure; a rod which is passed through the closure means movably in an axial direction A and causes the liquid in the interior of the cylinder to undergo a pressure rise as the rod enters the interior of the cylinder; and a piston disposed in the interior of the cylinder and attached to one end of the rod.

Hydraulic pressure spring and method of manufacturing the same

A hydraulic pressure springincludes a hollow cylindrical cylinderhaving a threaded portionat one endthereof; a closure meanswhich is threadedly engaged with the threaded portionat the one endof the cylinderand closes the one endof the cylinder; a closure meanswhich is provided at the other endof the cylinderand closes the other endof the cylinder; a compressible liquidwhich is sealed in an interiorof the cylinderand is pressurized to a predetermined pressure; a rodwhich is passed through the closure meansmovably in an axial direction A and causes the liquidin the interiorof the cylinderto undergo a pressure rise as the rodenters the interiorof the cylinder; and a pistondisposed in the interiorof the cylinderand attached to one end of the rod

A trimming press working apparatusincludes a trimming meansfor cutting a plate materialalong a trimming linewhich divides a product portionfrom a non-product portionin the plate material; a scrap cutting meansfor cutting the non-product portionalong scrap severing lineseach intersecting the trimming lineto make the non-product portioninto a plurality of scrap pieces; and a padfor pressurizing and restraining the product portionof the plate material

Growing community of inventors

Kanagawa, Japan

Teruo Aramizu