HISADA CO., LTD.
Anjo-shi, JP
HISADA CO., LTD. Patent applications | ||
Patent application number | Title | Published |
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20140137622 | ROLL FORMING METHOD AND ROLL FORMING APPARATUS - A roll forming method includes: performing a cross-section forming process to causing a steel strip, to pass through a forming roll die so that a cross-sectional shape of the steel strip is formed into a predetermined cross-sectional shape; performing a heating process of heating the steel strip to a first temperature that is equal to or higher than an austenitizing temperature; performing a preliminary cooling process of cooling the steel strip to a second temperature lower than the austenitizing temperature and equal to or higher than a martensite transformation point; performing a cross-section correcting process of causing the steel strip to pass through a correction roll die and correcting the cross-sectional shape of the steel strip, and performing a main cooling process of cooling the steel strip having passed through the correction roll die to a third temperature lower than the martensite transformation point. | 05-22-2014 |
20140137480 | DOOR SASH FOR VEHICLE AND MANUFACTURING METHOD THEREOF - A door sash for a vehicle includes a column portion extending in an elongated configuration from a door panel of the vehicle towards an upper direction, wherein the column portion includes a main portion made of a piece of metal plate, the main portion including a recessed portion which is recessed in a vehicle width direction and is formed in a long-side direction of the main portion, the column portion includes a glass run channel portion made of a piece of metal plate, the glass run channel portion being assembled on the main portion, the glass run channel portion including a cover portion, the recessed portion is configured so that a depth of a recess thereof is reduced from a portion thereof which is positioned at an upper surface of the door panel towards the upper direction, and a weather strip channel portion is formed at the main portion. | 05-22-2014 |