Kobe Steel, Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Masaru Sakai

Kazuo Akagi

Masamitu Tamura

Yukihiko Komatsu

Shigeharu Nakamura

Teruaki Kawamura

Nobuhiko Harada

Norio Satohara

Yukio Yasuhara

Ryohei Kazihata

A degreasing apparatus for an elongated member including a treatment room sequentially divided in an isolated fashion and along the feeding direction of the elongated member into a degreasing chamber, a predrying chamber and a finish drying chamber. At least one pair of rotary brushes are provided in the degreasing chamber. The degreasing chamber is also provided with means for jetting out a degreasing liquid in a direction toward the inlet side of a contact area between the brushes and elongated mechanism. Elastic degreasing members are provided, respectively, at the inlet and outlet sides of the degreasing chamber to remove oil or grease from the elongated member before it enters the degreasing chamber and to wipe off any degreasing liquid remaining on the elongated member prior to passing the same into the predrying chamber. The predrying chamber houses a mechanism for jetting out water or steam against the elongated member while the finish drying chamber is provided with a mechanism to blow hot air against the elongated material and to dry it completely. The above degreasing apparatus can be formed in a reduced size and convenient for coupling with drawing machine and/or roller straightening machine, thus enabling continuous treatment of elongated members. Owing to the mutual isolation of the chambers, their respective treatment media can be saved and the overall processing efficiency can be improved.

Degreasing apparatus for elongated materials

A process and an apparatus within which there is provided at least one, or a plurality of tanks in series relation, depending upon the type of member being treated, each tank having one or more openings within its walls, respectively, which are provided in alignment with each other. With this apparatus, one or more metal members such as for example, a bar, rod, pipe, or tube, is rotatably fed through the aforenoted openings into the tank or tanks, thereby enabling a continuous automatic-etching process of the outer surface of the metal members to be performed. As an alternative, there is provided within each tank, a triple walled cylindrical body or solution flow guide, whereby a solution for etching may uniformly flow in the direction of the metal member being conducted through the tank or tanks, and along the outer surface thereof, so that a desired surface condition of the bar, rod, pipe or tube may be obtained in an efficient manner.

Process for use in etching the outer surface of a metal member

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Shimonoseki, Japan

Masaru Sakai