Patents by Inventor Christian Hefele
Christian Hefele has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8028859Abstract: A foil container (11) has two foil bag chambers (12, 16) arranged next to one another for compound components of a multi-component compound which are stored separately from one another, and a head (21) having a base plate (22) with a contact side (23) at which two receptacle portions (24, 25) are provided, each for one end of the respective foil bag chambers (12, 16), and a mixer connection (31) in which there are provided a first outlet opening (33) for one of the compound components of the multi-component compound and a second outlet opening (34) for an additional compound component of the multi-component compound and arranged in the first outlet opening (33).Type: GrantFiled: September 29, 2008Date of Patent: October 4, 2011Assignee: Hilti AktiengesellschaftInventors: Mario Paetow, Markus Koegler, Christian Hefele, Andreas Schell
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Publication number: 20110151042Abstract: The present invention relates to an extrusion device (11) for compound-containing containers (6), including a receiving chamber (12) for the container (6), a piston rod (13) which is displaceable relative to the receiving chamber (12), a motor (21) for moving the piston rod (13), a trigger member (26) for generating a control signal in response to actuation of the trigger member (26), and a control unit (31) for controlling the motor (21). The control unit (31) has a power module for connecting the motor (21) to a power supply (19), and a separate signal input which is electrically connected to the trigger member (26). The power module connects the motor (21) to the power supply (19) when the corresponding control signal is present at this signal input. The present invention further relates to a method for controlling such an extrusion device (11).Type: ApplicationFiled: October 21, 2010Publication date: June 23, 2011Applicant: Hilti AktiengesellschaftInventors: Rainer Strobel-Schmidt, Christian Hefele, Peter Ostermeier, Hans Peter Lederle
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Publication number: 20110068131Abstract: The invention relates to a dispensing device (11) for containers (31) containing a compound, comprising a compartment (12) for the container, a piston rod (13) that can be moved with respect to the compartment (12), an advancing mechanism (21) encompassing two clamping levers (22, 23) that are arranged on the piston rod (13) and that can be pivoted in the lengthwise direction of the piston rod (13), whereby a first clamping lever (22) serves to advance the piston rod (13), while the second clamping lever (23; 63) serves to lock the piston rod (13), and comprising an unlocking device (36) that interacts with the second clamping lever (23) of the advancing mechanism (21) in order to unlock the piston rod (13). The unlocking device (36) has two actuating parts (37) positioned at a distance from each other.Type: ApplicationFiled: September 20, 2010Publication date: March 24, 2011Applicant: Hilti AktiengesellschaftInventors: Rainer Strobel-Schmidt, Christian Hefele, Hans Peter Lederle
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Publication number: 20110068130Abstract: The invention relates to a dispensing device (11) for containers (33) containing a compound, comprising a compartment (12) for the container, with a piston rod (13) that can be moved relative to the compartment (12), with an extruding device (16) that comprises a drive wheel (21) for advancing the piston rod (13), a motor (22) for driving the drive wheel (21) as well as a planetary gear (23) that is interposed between the drive wheel (21) and the motor (22) and that has a gear rotational axis (24) and a ring gear (25). The ring gear (25) is provided with multiple recesses that are located along its circumference at intervals from each other. Moreover, the dispensing device (11) has an actuating switch (31) for actuating the motor (22) and a blocking element (36) that can be moved from a blocking position that blocks the ring gear (25) into a releasing position that releases this ring gear (25).Type: ApplicationFiled: September 17, 2010Publication date: March 24, 2011Applicant: Hilti AktiengesellschaftInventors: Zoran Mitrovic, Christian Hefele, Hans Peter Lederle
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Publication number: 20110056997Abstract: An extrusion device (11) for compound-containing containers, including a receiving chamber (12) for the container, a piston rod (13) which is displaceable relative to the receiving chamber (12), and further including an extrusion mechanism (16) having an advancing mechanism (21) for advancing the piston rod (13). A wiper element (26) is provided which has a wiper edge (27) facing the piston rod (13).Type: ApplicationFiled: August 25, 2010Publication date: March 10, 2011Applicant: Hilti AktiengesellschaftInventors: Rainer Strobel-Schmidt, Christian Hefele, Peter Ostermeier, Hans Peter Lederle
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Publication number: 20110049189Abstract: An extrusion tool (11) for compound-containing containers, including an extrusion device (12) and a cartridge (32) for the container. The extrusion device (12) includes an extrusion mechanism (13) and a holding receptacle (23) for the cartridge (32). The holding receptacle (23) is bounded at the front end by an end plate (24) and at the rear end by a housing wall (20) of the extrusion mechanism (13). The cartridge (32) is attached to the extrusion device (12) such that it is pivotable about a pivot axis (27) extending from the end plate (24) to the housing wall (20), and is movable from an extrusion position to a loading position. And an extrusion device (12) for such an extrusion tool (11), and to a cartridge (32) for such an extrusion tool (11).Type: ApplicationFiled: August 25, 2010Publication date: March 3, 2011Applicant: Hilti AktiengesellschaftInventors: Rainer Strobel-Schmidt, Christian Hefele, Peter Ostermeier, Hans Peter Lederle
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Patent number: 7784648Abstract: A press-out tool for squeezing material out of containers (7) containing single-component or multi-component substances, has a receiving space (12) for the container (7), a piston rod (16) having a first end (17) which can dip into the receiving space (12), a first guide portion (18) and a second guide portion (20) that extends from an end area of the first end (17) of the piston rod (16) to the first guide portion (18) and has a cross-section with a reduced height in comparison with the height of the cross-section of the first guide portion (18), and a displacement mechanism (26) having a driving device (28) and a clamping lever (27) through which the piston rod (16) extends and which is pivotable relative to the longitudinal axis (L) of the piston rod (16).Type: GrantFiled: February 13, 2008Date of Patent: August 31, 2010Assignee: Hilti AktiengesellschaftInventor: Christian Hefele
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Patent number: 7780754Abstract: A rapid-action connection element for a compressed air hose (3) includes a filter (5) located in the discharge casing (4) for sealing a flow cross-section, a flow-through pressure piston (7) extending, at least partially into the discharge casing (4) and displaceable, within limits between outward position remote from the filter (5) in which the pressure piston (7) is sealed with respect to the discharge casing (4), and an inward position adjacent to the filter (5) in which the pressure piston (7) is open with respect to the discharge casing (4) for flow therebetween, and a flow-through rapid-action coupling member (6a) connected with the pressure piston (7).Type: GrantFiled: September 11, 2006Date of Patent: August 24, 2010Assignee: Hilti AktiengesellschaftInventors: Christian Hefele, Peter Froehlich, Franz Heiberger
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Publication number: 20100116851Abstract: A squeeze-out dispenser for a container containing compounds is disclosed. In an embodiment, the squeeze-out dispenser features two plungers which are provided with a profile along their longitudinal extensions and a drive unit for the plungers with a drive meshing with the profile of the plungers. The profile of the plungers is formed by several through-holes spaced apart from one another at a uniform interval and passing through the plungers, into which through-holes engagements of the drive engage for advancing the plungers.Type: ApplicationFiled: November 5, 2009Publication date: May 13, 2010Applicant: Hilti AktiengesellschaftInventors: Christian Hefele, Hans Peter Lederle, Franz Heiberger
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Publication number: 20090314809Abstract: An ejection device (11) for compound-containing containers (6) has a receptacle (12) for the container (6) and two piston rods (21) having a pressure transmitting element (23) at its end (22) facing the receptacle (12). The ejection device (11) also has a displacement unit (31) for displacing the piston rods (21) in direction of the receptacle (12) and includes a drive (41) and a displacement device (51) having a retraction element (52), and the drive (41) having a drum unit (61) with a rotating member (62) for the retraction element (52). The retraction element (52), is secured, on one hand, in a region of an end (24) of the piston rods (21) remote of the receptacle (12) and, on the other hand, is wound onto the rotating member (62) of the drum unit (61).Type: ApplicationFiled: June 17, 2009Publication date: December 24, 2009Inventors: Hans Peter Lederle, Rainer Stobel-Schmidt, Peter Ostermeier, Christian Hefele
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Publication number: 20090134187Abstract: An ejection device (11) for containers containing compounds has a receiving chamber (12) for the container, a piston rod (13) which is displaceable relative to the receiving chamber (12), and an ejection unit (16) having a housing (17), a forward feed element (18) which is pivotally supported in the housing (17) for advancing the piston rod (13), and a handle (19) with an actuation lever (21) which is pivotal around an axis of rotation (22) and which has an effort arm (25) with a hand grip and a load arm (24). Pressure transmission means (23) is provided at the end of the load arm (24) facing the forward feed element (18) and can be brought into contact with the forward feed element for actuating the forward feed element (18).Type: ApplicationFiled: November 6, 2008Publication date: May 28, 2009Inventor: Christian Hefele
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Publication number: 20090127278Abstract: An ejection device (11) for containers (36) containing compounds has an ejection unit (12) and a receiving chamber (16) for the container (36) and which is defined on, one side, by the ejection unit (12) and on the other side, by a front plate (26) which is arranged at a distance from the ejection unit (12). The front plate (26) is pivotable around a pivot point (28) defining a pivot axis (27) from an open position in which the container (36) can be inserted into the receiving chamber (16), to a closed position in which the container (36) is held in the receiving chamber (16). A snap lock with flexible snap-in member (31) and a rigid holding member (29) is provided at a distance from the pivot point (28) on the front plate (26) for locking the front plate (26) in the closed position and cooperating with snap receptacle (22) arranged at the ejection device (11) for receiving the snap-in member (31).Type: ApplicationFiled: November 5, 2008Publication date: May 21, 2009Inventors: Christian Hefele, Hans Peter Lederle, Peter Ostermeier
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Publication number: 20090122123Abstract: A cartridge (11) used as a container for a compound that can be ejected by an ejection device, has two receptacles (12, 16) and a head part (21), each receptacle (12, 16) having a receptacle chamber (13, 17) for components of the compound with the head part (21) having a base plate (22) with an outlet opening (23) for the compound and, at a contact surface (24) of the base plate (22), two guide portions (25, 26) for joining to an end (14, 18) of the corresponding receptacle (12, 16), a guide element for the receptacle (16) arranged adjacent to the guide portion (26) at the contact surface (24) of the head part (21).Type: ApplicationFiled: October 2, 2008Publication date: May 14, 2009Inventors: Peter Ostermeier, Franz Heiberger, Ingo Loeschky, Rainer Strobel-Schmidt, Christian Hefele
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Publication number: 20090101678Abstract: An ejection device (11) for cartridges containing multi-component compounds has an ejection mechanism (12) and a receptacle (16) for the cartridge, with the receptacle (16) being limited on the front side by a head plate (17) and on the rear side by a stop plate (18) and in order to hold the cartridge in a first position, a first stop (21) provided at the head plate (17) and a second stop (22) provided in the area of the stop plate (18), and a third stop (23) in order to hold the cartridge in a further position.Type: ApplicationFiled: October 16, 2008Publication date: April 23, 2009Inventors: Peter Ostermeier, Franz Heiberger, Ingo Loeschky, Rainer Strobel-Schmidt, Christian Hefele
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Publication number: 20090095772Abstract: An ejection device for a mass-containing package (12) includes at least one piston rod (16) having a toothing (17) extending along its longitudinal extent, and a drive unit (21; 41) for displacing the at least one piston rod (16) and having at least one gear wheel (24; 44) engageable with the toothing (17) of the at least one piston rod (16) and displaceable from a first position, in which it engages the toothing (17) of the at least one piston rod (16), to a position in which it is disengaged from the toothing (17) of the at least one piston rod, and a drive motor (22) for driving the at least one gear wheel (24; 44).Type: ApplicationFiled: October 10, 2008Publication date: April 16, 2009Inventors: Christian Hefele, Rainer Strobel-Schmidt, Ingo Loeschky, Franz Heiberger, Peter Ostermeier
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Publication number: 20090090743Abstract: An ejection device (11) has an ejection unit (12) having a displacement mechanism with two piston rods (13), a receptacle unit (32) including receptacle (34) for a container (33), a head part for limiting the receptacle (34) at one of its ends, a holding device (21) which is arranged on the ejection unit (12) for securing the receptacle unit (32) thereto, and tension members (38) provided on the receptacle unit (32) and which extend along the receptacle (34) and are secured to the head part (35), each tension member (38) having a engageable-from behind section (39) at its end remote of the head part, the holding device (21) having locking elements which can engage the engageable-from behind sections (39) of the tension members (38) to lock the receptacle unit (32) with the ejection unit (12).Type: ApplicationFiled: October 7, 2008Publication date: April 9, 2009Inventors: Peter Ostermeier, Franz Heiberger, Ingo Loeschky, Rainer Strobel-Schmidt, Franz Popp, Martin Kuhn, Hans Peter Lederle, Christian Hefele
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Publication number: 20090084815Abstract: A foil container (11) has two foil bag chambers (12, 16) arranged next to one another for compound components of a multi-component compound which are stored separately from one another, and a head (21) having a base plate (22) with a contact side (23) at which two receptacle portions (24, 25) are provided, each for one end of the respective foil bag chambers (12, 16), and a mixer connection (31) in which there are provided a first outlet opening (33) for one of the compound components of the multi-component compound and a second outlet opening (34) for an additional compound component of the multi-component compound and arranged in the first outlet opening (33).Type: ApplicationFiled: September 29, 2008Publication date: April 2, 2009Inventors: Mario Paetow, Markus Koegler, Christian Hefele, Andreas Schell
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Publication number: 20080205969Abstract: A press-out tool for squeezing material out of containers (7) containing single-component or multi-component substances, has a receiving space (12) for the container (7), a piston rod (16) having a first end (17) which can dip into the receiving space (12), a first guide portion (18) and a second guide portion (20) that extends from an end area of the first end (17) of the piston rod (16) to the first guide portion (18) and has a cross-section with a reduced height in comparison with the height of the cross-section of the first guide portion (18), and a displacement mechanism (26) having a driving device (28) and a clamping lever (27) through which the piston rod (16) extends and which is pivotable relative to the longitudinal axis (L) of the piston rod (16).Type: ApplicationFiled: February 13, 2008Publication date: August 28, 2008Inventor: Christian Hefele
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Patent number: 7370777Abstract: A quick-acting closure (1) for connecting a mixer tube (3) and a connecting part (2) of an extruder unit. The connecting part (2) has a connector (9) with a conical threaded base member, on which an external thread (12) is arranged. The mixer tube (3) has a conical threaded base member, on which an internal thread (19) is arranged. The internal thread (19) on the connector part (16) of the mixer tube (3) is a multi-path internal thread.Type: GrantFiled: May 27, 2004Date of Patent: May 13, 2008Assignee: Hilti AktiengesellschaftInventors: Christian Hefele, Franz Popp
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Publication number: 20080012312Abstract: A rapid-action connection element for a compressed air hose (3) includes a filter (5) located in the discharge casing (4) for sealing a flow cross-section, a flow-through pressure piston (7) extending, at least partially into the discharge casing (4) and displaceable, within limits between outward position remote from the filter (5) in which the pressure piston (7) is sealed with respect to the discharge casing (4), and an inward position adjacent to the filter (5) in which the pressure piston (7) is open with respect to the discharge casing (4) for flow therebetween, and a flow-through rapid-action coupling member (6a) connected with the pressure piston (7).Type: ApplicationFiled: September 11, 2006Publication date: January 17, 2008Inventors: Christian Hefele, Peter Froehlich, Franz Heiberger