Patent application number | Description | Published |
20100229706 | GAS-OPERATED INTEGRATED PUNCHING DEVICE WITH PLATE PRESSER - A gas-operated integrated punching device with plate presser, comprising a tubular containment body closed hermetically at one end by a bottom and at the opposite end by a head that is perforated for the passage of a piston-operated plate presser, which performs a translational motion within the tubular body; the plate presser is crossed coaxially by a punch, which is jointly connected to the tubular body; a compression and expansion chamber for pressurized gas is formed between the plate presser and the bottom, the gas being loaded into the chamber by way of loading elements inserted in the bottom or in the tubular body; the pressurized gas pushes the plate presser between two configurations, a first fully extracted configuration, in which the outer end of the plate presser is not in contact with a metal plate to be blanked or punched and protrudes from the head by such a length as to affect the tip of the punch, and a second configuration, which is at least partly retracted into the tubular body and in which the outer end of the plate presser is in contact with a metal plate being worked. | 09-16-2010 |
20130228069 | GAS CYLINDER ACTUATOR WITH OVERTRAVEL SAFETY DEVICE - A gas cylinder actuator with overtravel safety device, comprising a tubular jacket for gas containment, which is closed hermetically at one end by a bottom provided with a gas filling valve and at the opposite end by a head portion, which is provided with a hole for the passage of a stem with a piston, the jacket, the bottom and the piston forming the gas expansion and compression chamber. | 09-05-2013 |
Patent application number | Description | Published |
20100132811 | GUARD FOR GAS CYLINDER ACTUATORS - A guard for gas cylinder actuators, comprising a rigid or deformable covering element, to be fixed to the stem of the gas cylinder actuator with which it is associated or to the translating body against which the gas cylinder actuator is intended to act, the covering element being contoured so as to extend radially from the fixing region in order to protect the stem and the opening of the body of the actuator from which the stem exits. | 06-03-2010 |
20110303084 | GAS CYLINDER ACTUATOR WITH OVERTRAVEL SAFETY DEVICE - A gas cylinder actuator with overtravel safety device, comprising a tubular jacket which is closed by a bottom provided with a gas filling valve and at the opposite end by a head portion, which is provided with a hole for the passage of a stem with a piston; the gas cylinder actuator has, on the inner face of the jacket, in the compression chamber, a region in low relief designed to interrupt the seal provided by a gasket of the piston or the head portion, which act against the inner face. | 12-15-2011 |
20120042770 | GAS CYLINDER ACTUATOR WITH SAFETY SYSTEM FOR CONTROLLED EJECTION OF THE PISTON STEM - A gas cylinder actuator with a safety device for controlled ejection of the piston stem, which has, on the side of the region for fixing the head portion to the jacket, a region in low relief on the inner face of the jacket, designed to interrupt the seal provided selectively either by the gasket elements associated with the piston or by the gasket elements associated with the head portion, and normally operating against the inner face of the jacket, in case of separation of the head portion with an outward movement of the piston. | 02-23-2012 |
20130228069 | GAS CYLINDER ACTUATOR WITH OVERTRAVEL SAFETY DEVICE - A gas cylinder actuator with overtravel safety device, comprising a tubular jacket for gas containment, which is closed hermetically at one end by a bottom provided with a gas filling valve and at the opposite end by a head portion, which is provided with a hole for the passage of a stem with a piston, the jacket, the bottom and the piston forming the gas expansion and compression chamber. | 09-05-2013 |