Nippon Closures Co., Ltd.

Sei Nakagawa

Katsumi Hashimoto

Hiroaki Kikuchi

Hiroshi Shimomura

Daisuke Tsuchimoto

Koshin Ri

Katsumi Enomoto

A metal cap that has an adhesive inner surface coating film and a masking layer. A coating film of a coating composition containing an adhesive component in a base resin and a masking agent is formed between the top plate portion inner surface of the metal cap shell and the olefin resin liner. The coating film has an adhesive portion adhesive to the olefin resin liner and a non-adhesive portion non-adhesive or weakly adhesive to the olefin resin liner. The adhesive portion is formed by positioning the adhesive component on the coating film surface. The non-adhesive portion has the masking layer of the masking agent at a side facing the metal cap shell, such that a sea-island structure is formed on the coating film surface corresponding to the masking layer, in which the adhesive component is a dispersion phase and the base resin is a continuous phase.

Metal cap and method for manufacturing same

Provided is a plugging-type resin cap which can sufficiently seal a container and in which, upon uncapping of the container, a restraining band loosens after the pressure in the container is released without the application of an excessive force. A plugging-type resin cap () includes a restraining band (), a tab (), and engagement projections (). The restraining band () has an arcuate restraining portion (), stoppers (), and an upwardly projecting portion (). The stoppers () are formed to extend radially outward from the circumferential both ends of the restraining portion (). The engagement projections () are disposed over an outer side surface of a skirt wall () in the vicinity of the circumferential both ends of a tab (). The stoppers () and the engagement projections () are formed to be fittable with each other.

Plugging-type resin cap

A metal cap has an outer surface with a coating film including a coating composition containing thermally expandable hollow particles in a paint, the curing initiation temperature TA (&#xb0; C.) of the paint, expressed as a temperature where an attenuation rate by a rigid pendulum viscoelasticity test reaches an inflection point, satisfies25

Metal cap having foamed coating film and method for manufacturing same

A solvent type curable ink for ink-jet printing obtained by dissolving or dispersing, in a volatile organic solvent, polyesterpolyol having a molecular weight of not more than 8000, a hydroxyl value (KOH mg/g) of 17 to 50 and a glass transition point (Tg) of not higher than 70&#xb0; C., and blocked polyisocyanate. The ink is capable of forming ink-jet-printed image on the surfaces of various kinds of formed articles without burring and maintaining close adhesion upon being heated at a low temperature for a short period of time.

Growing community of inventors

Kanagawa, Japan

Sei Nakagawa