Nippon Kokan Kabushiki Kaisha

Kao Corporation

Kao Soap Company, Ltd.

Yushiro Chemical Industry Co., Ltd.

Ishikawajima-harima Jukogyo Kabushiki Kaisha

Hiroshi Kuwamoto

Hiroyuki Nagamori

Shuichi Iwado

Takashi Mukai

Yasuhiro Nakagawa

Yoshihiro Sakaguchi

Toshimi Muto

Yoshihiro Hosoya

Rikio Tsushima

Masaharu Jitsukawa

Sakae Sonoda

Hajime Ishii

Iwane Chiba

Shoji Okamoto

Kanji Kizaki

Takeru Sharyo

Yuji Okami

Noboru Taguchi

Shuichi Iwadoo

Toshitake Katayama

Koji Kaburagi

Yoichi Koga

Tomoya Izushi

Nobuomi Kuroi

Junji Fujiwara

Haruji Toyama

A lubricating oil composition containing as essential ingredients a lubricating oil component having a melting point of not higher than 100.degree. C., and one or more water-soluble dispersants selected from the group consisting of anionic polymeric dispersants of a molecular weight of 250 to 25,000, and polyoxyethylene type surfactants of a molecular weight of 3,000 to 20,000 and an HLB value of at least 18, said lubricating oil component being present in a stably dispersed state in water, achieves excellent adhesion when supplied to a machined portion.

Method for supplying a lubricating oil composition

Lubricating oil composition and method for supplying same

Lubricating oil useful in the rolling of metal and a method for

The present invention relates to a temper rolling oil which comprises:

Water-soluble temper rolling oil and method of temper rolling

An ultrathin steel foil which is suited for use as an electromagnetic wave shielding material and which is excellent in shielding properties, is provided by cold rolling to be 31% to 90% reduction and anneal at 600.degree. to 950.degree. C. for 1 hour of a steel material having specific chemical composition including C of less than 0.01% and specified grain diameter of between 20 to 80 .mu.m, and thicknesses of between 20 to 100 .mu.m.

Steel foil having excellent shielding characteristics to electromagnetic

Disclosed herein is novel metal rolling oil compositions comprising lubricant oil components and specific type of water-soluble cationic or amphoteric polymer compounds, which are selected from the group consisting of polymer compounds having at least one recurring unit and having an average molecular weight of from 1,000 to 10,000,000. The thus obtained metal rolling oil composition gives a stable size distribution of relatively large sizes under agitating conditions of high shearing force and is useful as a rolling oil having a high lubricating and rolling performance with a reduced timewise change.

Metal rolling oil composition

The present invention provides a cold rolling oil for steel sheets characterized by incorporating various rolling oils with oil-soluble high-molecular compounds which are obtained by salt-forming:

Cold rolling oil for steel sheet

A metal-working oil composition comprises as essential components thereof (a) one or more lube-oil components selected from the group consisting of oils, fats, mineral oils and fatty acid esters; and (b) one or more water-soluble polymer compounds selected from the group consisting of homopolymers of acrylic amide, copolymers of acrylic amide and other monomers and salts of the homopolymers and copolymers, the molecular weights of which homopolymers, copolymers and salts fall within the range of from 1,000 to 10,000,000. The incorporation of the specific water-soluble compound allows a lube-oil component to disperse stably as large droplets in water and hence, several advantages including thick and strong lubricating film suitable for use under severe machining conditions can be obtained.

Metal-working oil composition

A metal-working oil composition containing the following three components (A), (B) and (C) as its essential components:

A metal working water-soluble lubricant composition comprising a water-soluble polymer compound whose counter anion is acidic phosphorus-containing compound or boric acid is disclosed. The water-soluble polymer compound is selected from the group consisting of cationic or amphoteric addition polymers, ring-opened polymers, polycondensation products and salts or quaternary ammonium salts of natural polymer derivatives having at least one basic or cationic nitrogen atom in one molecule thereof with a molecular weight of 1,000 to 10,000,000. The composition has a load resistance equal to or higher than known liquid lubricants which contain mineral oils, beef tallow etc., and shows an excellent lubricating performance when applied to a metal working surface.

Metal working water-soluble lubricant composition and method of feeding

A metal-working oil composition comprises as essential components thereof (a) one or more lube-oil components selected from the group consisting of oils, fats, mineral oils and fatty acid esters; and (b) one or more compounds selected from the group consisting of acidic phosphoric acid salts of aliphatic, alicyclic and aromatic amines each of which has 4 to 22 carbon atoms and quaternary ammonium salts formed from aliphatic or aromatic amines, each of which has 4 to 22 carbon atoms, and acidic phosphoric acids; and (c) a non-ionic surfactant. Incorporation of a specific amine compound together with a non-ionic surfactant permits, owing to the protective colloidal function of the compounds, stable dispersion of the lube-oil component as large droplets in water and hence the resulting dispersion enjoys good circulation stability and withstands severe machining conditions.

A water-soluble metal-working lubricant composition comprising as essential components thereof

Water-soluble metal-working lubricant composition

In a rolling mill of the type in which horizontal pushing forces are exerted to a work roll exerted with a rolling force so as to bend the work roll, thereby controlling the flatness of a strip being rolled, a method and apparatus for controlling rolling correction in the rolling mill for eliminating variations in rolling load due to the horizontal pushing forces.

Growing community of inventors

Fukuyama, Japan

Hiroshi Kuwamoto