Abstract: The present invention relates to a pressurized package and a method for manufacturing and filling a pressurized package. The pressurized package has an outer container (10) and an inner container (20) situated within the outer container (10). In the outer container (10) a chamber (11) for material (12) to be dispensed is arranged and in the inner container (20) a propellant chamber (21) for propellant (20) is arranged, which are separated from each other in a manner that is impermeable to liquid and gas. The outer container (10) is closed by a cover part (15) on which a valve part (16) is arranged for dispensing the material (12) from the chamber (11) outwards. To improve pressurized packages of this type, a pressurized cartridge (30) containing a propellant (22) is arranged in the inner container (20), and the pressurized cartridge is associated with an opening mechanism (31) for at least one-time opening of the pressurized cartridge (30) to the propellant chamber (21) of the inner container (20).

Abstract: A combustion-engined setting tool for driving fasting elements such as nails, bolts, pins in an object, includes a combustion chamber (13), a fuel source (11), a fuel conduit (12) connecting the fuel source (11) with combustion chamber (13) for feeding fuel thereinto, and at least one metering device (30) for metering a predetermined amount of fuel for effecting a setting process and having at least one variable volume metering chamber (31), and a displaceable piston body (34) for a pulsed ejection of fuel from the metering chamber (31).

Abstract: A combustion-engined setting tool for driving fastening elements, such as nails, bolts, and the like in an object includes a combustion chamber (11), a piston guide (17) adjoining the combustion chamber (11), a drive piston (15) arranged in the piston guide (17) and displaceable in a setting direction under action of expanding gases produced in the combustion chamber (11) upon combustion of fuel, and an electrically driven device (5) for pre-compressing oxidation medium necessary for effecting a combustion process in the combustion chamber (11) and/or the fuel.

Abstract: The present invention relates to an internal combustion-operated setting tool for driving fastener elements such as nails, bolts, pins into a substrate, having a fuel source, with a fuel feed line from a fuel source to a combustion chamber and having at least one dosing device (30), which is arranged between the fuel source and the combustion chamber. For improving such setting tools, a displacement body (50) is arranged in a chamber in the dosing device (30) for forcing fuel out of the chamber, whose displacement volume can be adjusted.

Abstract: A combustion-engined setting tool for driving fastening elements into a constructional component includes a piston guide (12) adjoining the combustion chamber (14), a drive piston displaceable in the piston guide (12) under action of expanding combustion gases produced by combustion of oxidation medium-fuel mixture in the combustion chamber (14), at least on magnetic piston-retaining element (31) for temporarily retaining the drive piston (13) at the combustion chamber (14); and at least one magnetic conducting element (32) for transmitting a magnetic holding force from the magnetic piston-retaining element (31) to the drive piston (13).

Abstract: An internal combustion-engined setting tool includes a drive piston (15) displaceably supported in the piston guide (17) and displaceable in a setting direction (4) by expandable gases produced in the main combustion chamber (11) of the tool and pre-chamber (20) for generating pressure that is transmitted to the main combustion chamber (11) before the ignition (19) of the air-fuel mixture in the main combustion chamber takes place, with the pre-chamber (20) being formed by space a within the piston guide (17) beneath a bottom of the drive piston (15) remote from the main combustion chamber (11), when the drive piston occupies its initial position, and with the pre-chamber (20) being connected with the main combustion chamber (11) by a transfer guide.

Abstract: A hand-guided working tool such as a fuel-driven setting tool (10) for driving fastening elements such as nails, bolts, pins and the like into a substrate. The setting tool (10) has a voltage source for supplying an electrical circuit onto the working tool (10) promising electrical consumers (12, 13, 21, 50). The voltage source is formed by at least one capacitor (31) arranged on the working tool, which is connected on the discharge side with the electrical circuit comprising the electrical consumers (12, 13, 21, 50) to make quick charging of the voltage source on the working tool (10) possible.

Abstract: A pressure container with an outer container (20) and a constantly deformable or compressible inner container is arranged within the outer container (20), whose container wall is constructed of a metallic foil. A fill material chamber (11) for fill material (12) is arranged in the inner container (10) and in the outer container (20), a propellant chamber (21) is formed for propellant (22, 23), which are separated from one another in a fluid- and/or gas-tight manner. The pressure container is furthermore provided with a cover part (25) for sealing the containers (10, 20), on which a valve part (30) is arranged for dispensing fill material (12) from the fill material chamber (11) to the outside. For improving the pressure container it is proposed that a compensation body (41) be provided in the inner container (10) for the purpose of compensating volume variations in the fill material chamber (11).

Abstract: A method of controlling operation of a portable, combustion-engined, power tool and including feeding fuel into the combustion chamber of the power tool, before ignition, several times one after another in accordance with an intermittent metering operational mode, and a power tool including a control device (34, 64) for controlling operation of the fuel feeding device (32, 33) of the power tool so that the feeding device (32, 33) feeds the fuel into the combustion chamber (1) several times in accordance with the intermittent metering operational mode.

Abstract: A method of driving a piston (80 of a portable, internal combustion, engine tool by combusting a combustible gas mixture in a combustion chamber (1) having a combustion chamber wall (14) located opposite the piston (8), the method including dividing the combustion chamber (1) in at least two chamber sections (21, 22) by providing, between the combustion chamber wall (14) and the piston (8), a separation plate (18) having a plurality of through-openings (38) and separately adjusting the combustible gas mixture in each chamber section (21, 22).

Abstract: A portable, internal combustion-engined tool includes a combustion chamber (1), a piston (8) adjoining the combustion chamber (1), with a pressure build-up in the combustion chamber (1) providing for movement of the piston (8) from its initial position, in which the piston adjoins the combustion chamber (1), away from the combustion chamber (1). A brake device (43) retains the piston (8) substantially in its initial position during build-up of pressure in the combustion chamber (1), with a braking force applied to piston (8) being changeable for adjusting the amount of energy generated in the combustion chamber and transmittable to the piston (8).

Abstract: A device for creating a laminar flame front in an internal combustion-engined tool having a combustion chamber (1) with two walls (14, 18) extending parallel to each other, the device including a cage (51) located between the two walls (14, 18) and having a plurality of openings (53) formed in an otherwise solid circumferential wall of the cage (51), and an ignition element (52) located in a cage interior for igniting a combustible gas mixture located between the two walls (14, 18).

Abstract: A portable, combustion-engined tool including a collapsible combustion chamber (1) having a movable separation plate (18) for dividing the combustion chamber (1), in an expanded position of the combustion chamber, in a forechamber section (21) and at least one further chamber section (22), a movable combustion chamber wall (14) arranged parallel to the separation plate (18) for limiting, together with the separation plate (18), the forechamber section, an ignition device (52) located in the forechamber section (21), and a collapse control device (19, 20, 33) for controlling movement of the separation plate (18) and the movable wall (14) after the combustion of the gas mixture in the combustion chamber.

Abstract: A portable, combustion-engined tool including a combustion chamber (1) in which a fuel gas in combusted upon ignition for building up pressure in the combustion chamber for driving the tool piston (8), an ignition device (20) for igniting the fuel gas in the combustion chamber (1), and gas drain means (43) provided in the combustion chamber (1) for controlling a pressure build-up therein.

Abstract: A method of controlling operation of a portable, combustion-engined tool including a combustion chamber (1) an inlet/outlet valve (26) of which is closed or is opened dependent on an operational phase of the tool, with the method including igniting a fuel gas mixture filling the combustion chamber (1) for build-up of gas pressure therein and closing or opening the inlet/outlet valves (26) dependent on the gas pressure developed in the combustion chamber (1), and a tool in which the method is implemented.

Abstract: A metering head for delivering a liquified fuel gas in different combustion chamber sections of a tool and including an inlet (8), at least two outlets (16, 17), and at least one metering valve (5, 5a, 5b) connecting the inlet (8) with the at least two outlets (16, 17).

Abstract: A method of controlling operation of a portable, combustion-engined tool including a combustion chamber (1) an inlet/outlet valve (26) of which is closed or is opened dependent on an operational phase of the tool, with the method including igniting a fuel gas mixture filling the combustion chamber (1) for build-up of gas pressure therein and closing or opening the inlet/outlet valves (26) dependent on the gas pressure developed in the combustion chamber (1), and a tool in which the method is implemented.

Abstract: A portable, combustion-engined tool including a combustion chamber (1), a piston (8) adjoining the combustion chamber (1), with a pressure build-up in the combustion chamber (1) providing for movement of the piston (8) from its initial position, in which the piston adjoins the combustion chamber (1), away from the combustion chamber (1), a brake device (43) for retaining the piston (8) substantially in its initial position during build-up of pressure in the combustion chamber (1), and elements for changing a braking force applied to piston (8).

Abstract: A portable, combustion-engined tool including a collapsible combustion chamber (1) having a movable separation plate (18) for dividing the combustion chamber (1), in an expanded position of the combustion chamber, in a forechamber section (21) and at least one further chamber section (22), a movable combustion chamber wall (14) arranged parallel to the separation plate (18) for limiting, together with the separation plate (18), the forechamber section, an ignition device (52) located in the forechamber section (21), and a collapse control device (19, 20, 33) for controlling movement of the separation plate (18) and the movable wall (14) after the combustion of the gas mixture in the combustion chamber.

Abstract: A portable, combustion-engined tool including a combustion chamber (1) in which a fuel gas in combusted upon ignition for building up pressure in the combustion chamber for driving the tool piston (8), an ignition device (20) for igniting the fuel gas in the combustion chamber (1), and gas drain means (43) provided in the combustion chamber (1) for controlling a pressure build-up therein.