Honda Giken Kogyo Kabushiki Kaisha

Jfe Steel Corporation

Japan Polyolefins Co., Ltd.

Sunallomer Ltd.

Akihiro Katagiri

Takashi Ueno

Katsumi Kojima

Nobusuke Kariya

Kenji Hamabe

Hirofumi Murakami

Kazuo Ito

Osamu Aoki

Hitoshi Ohgane

Takashi Nakayama

Minoru Makuta

Kazuhiko Sakai

Yoshihide Yamamoto

Atushi Takeuchi

Yoshio Kitawaki

Takeshi Nakajima

Masayuki Ikeda

A method for producing a polypropylene sheet having a thickness of 0.5 to 5 mm, the method comprising;

Production method of polypropylene sheet

A steel sheet for crown cap having excellent formability from which a crown cap having an excellent pressure resistance can be produced without an expensive soft liner even if the steel sheet is subjected to sheet metal thinning, the steel sheet having: a chemical composition containing, in mass %, C: more than 0.006% and 0.012% or less, Si: 0.02% or less, Mn: 0.10% or more and 0.60% or less, P: 0.020% or less, S: 0.020% or less, Al: 0.01% or more and 0.07% or less, and N: 0.0080% or more and 0.0200% or less, with the balance being Fe and inevitable impurities; and a percentage of a region of more than 0% and less than 20% at a position of &#xbd; of a sheet thickness, the region having a dislocation density of 1&#xd7;10mor less.

Steel sheet for crown cap, crown cap and method for producing steel sheet for crown cap

Provided is a steel sheet having sufficient formability and strength even after sheet metal thinning, the steel sheet including: a chemical composition containing, by mass %, C: more than 0.0060% and not more than 0.012%, Si: 0.02% or less, Mn: 0.10% or more and 0.60% or less, P: 0.020% or less, S: 0.020% or less, Al: 0.01% or more and 0.07% or less, and N: 0.0080% or more and 0.0200% or less, with the balance being Fe and inevitable impurities, in which a dislocation density at a depth position of &#xbd; of a sheet thickness from a surface of the steel sheet is 2.0&#xd7;10/mor more and 1.0&#xd7;10/mor less.

Steel sheet, method of manufacturing same, crown cap, and drawing and redrawing (DRD) can

A resin composition utilizing coated resin moldings, the resin composition comprising 100 parts by weight of a crushed material of coated polyolefin resin moldings compounded with from 3 to 15 parts by weight of an ethylene polymer having a weight average molecular weight of from 50,000 to 180,000.

Resin composition utilizing coated resin moldings and multilayer resin

A multilayer resin molding, utilizing coated resin moldings, composed of a core material and a surface layer covering the core material, the core material being composed of a resin composition which comprises 100 parts by weight of a crushed material of coated polyolefin resin moldings compounded with from 3 to 15 parts by weight of an ethylene polymer having a weight average molecular weight of from 50,000 to 180,000 and the surface layer comprising a polypropylene resin composition comprising from 30 to 80% by weight of a propylene polymer, from 3 to 20% by weight of a propylene polymer modified with an unsaturated hydroxy compound, from 15 to 40% by weight of a thermoplastic elastomer, and from 0.1 to 10% by weight of an oligomer having a functional group at the terminal thereof.

Multilayer resin molding utilizing coated resin moldings

Growing community of inventors

Kanagawa, Japan

Akihiro Katagiri