Die clamping method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7867415
SERIAL NO

12486437

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Used in a method of this invention is a die clamping unit, which comprises a tie bar movably attached to a stationary platen, a halfnut positioning servomotor which advances and retreats to the tie bar, a halfnut which is provided on a movable platen and fixes the movable platen and the tie bar together by engaging the tie bar, an engaging mechanism which engages the halfnut with the tie bar, a hydraulic die clamping cylinder which presses the stationary platen and the movable platen, and a control device which controls the halfnut positioning servomotor and the hydraulic cylinder. The control device drives the halfnut positioning servomotor to remove a clearance between the halfnut and an engaging groove of the tie bar before a die clamping process carried out by the hydraulic cylinder.

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Patent Owner(s)

Patent OwnerAddress
TOSHIBA KIKAI KABUSHIKI KAISHA2-11 GINZA 4-CHOME CHUO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koike, Jun Sunto-gun, JP 67 511
Matsubayashi, Haruyuki Numazu, JP 21 100
Miyauchi, Takaki Numazu, JP 11 48
Muroi, Nobuyuki Mishima, JP 3 14
Nishizawa, Makoto Numazu, JP 50 332

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