Apparatus for the controlled return of the stems in cylinders applied to stamping presses

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United States of America Patent

PATENT NO 11707903
APP PUB NO 20210245468A1
SERIAL NO

17166098

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus for the controlled return of the stems in cylinders of the types that can be applied to a press for stamping sheet metal, comprising:

    at least one fluid-operated cylinder),at least one hydraulic accumulator which is fluidically connected to the at least one cylinder by means of a hydraulic circuit which comprises:a duct for the discharge of the working fluid from the at least one cylinder and a duct/branch for the intake of the working fluid in the hydraulic accumulator,a duct for loading the working fluid in the at least one cylinder and at duct/branch for the output of the working fluid from the hydraulic accumulator.

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Patent Owner(s)

Patent OwnerAddress
SPECIAL SPRINGS S R L36060 ROMANO D'EZZELINO (VI)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bordin, Francesco Caerano di San Marco, IT 5 1
Cappeller, Dante Cartigliano, IT 6 22
Fiorese, Massimo Bassano Del Grappa, IT 15 43

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