Patents Assigned to Doppstadt Calbe GmbH
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Patent number: 7992812Abstract: A sieve device including a cog elongation with several cogs shaped from flexible material arranged parallel to each other. The cogs are provided with bends or chamfers serving for defining a grid to define the grain size for the sieved material. The sieve device is included in a cylinder disintegrator.Type: GrantFiled: June 7, 2006Date of Patent: August 9, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 7980502Abstract: The invention refers to a cutting tool for comminution devices, comprising a knife (2) or knife edge which can be fastened to a comminution cylinder or a toothed body (1). The invention is characterized in that the knife (2) can be arranged non-positive and positive interlocking at the comminution cylinder or the toothed body (1).Type: GrantFiled: October 23, 2006Date of Patent: July 19, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 7959098Abstract: A beater for comminution devices with a rotor on or at which the beater can be fastened, including a lower body which is designed as a shaft end for connecting the beater with the rotor, and at least one cutting body. At least one cutting body is connected with the lower body in a releasable/fixed manner.Type: GrantFiled: April 27, 2007Date of Patent: June 14, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 7938350Abstract: The invention refers to a knife holder for comminution devices, comprising a tooth body (1) which can be fastened on a comminution cylinder or the like, and at least one knife (2), the knife (2) being able to be arranged positive-locking on the tooth body (1). The invention is characterized by the fact that a knife receiving device is provided, the knife receiving device (3) is designed as recess (4), and, seen from the side, has the shape of a J, and the recess (4) is designed wedge-like or conically, preferably tapering-off to the outside in such a way that recess surfaces (4/1, 4/2) occur.Type: GrantFiled: September 16, 2005Date of Patent: May 10, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 7909277Abstract: A comminution device including at least one comminution cylinder supported rotating in a machine frame with at least one comminution tool arranged on it, and at least one counter cutter interacting with the comminution tool, and at least one sieve device for the comminuted material the housing of which encircles the comminution cylinder at least partly, the sieve device and the counter cutter forming a common structural component. The counter cutter is designed like a plate and has recesses designed corresponding to the shape of the comminution tools of the comminution device.Type: GrantFiled: April 25, 2007Date of Patent: March 22, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 7832667Abstract: A shredding device, consisting of at least one shredding roll that is rotatably mounted in a machine frame, at least one shredding instrument that is mounted on the roll, at least one opposing blade that co-operates with the shredding instrument(s) and at least one screen for the shredded product. The housing of the screen at least partially surrounding the shredding roll. The screen can be displaced in relation to the machine frame and/or the shredding roll.Type: GrantFiled: May 18, 2006Date of Patent: November 16, 2010Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20070194161Abstract: The invention refers to a knife holder for comminution devices, comprising a tooth body (1) which can be fastened on a comminution cylinder or the like, and at least one knife (2), the knife (2) being able to be arranged positive-locking on the tooth body (1). The invention is characterised by the fact that a knife receiving device is provided, the knife receiving device (3) is designed as recess (4), and, seen from the side, has the shape of a J, and the recess (4) is designed wedge-like or conically, preferably tapering-off to the outside in such a way that recess surfaces (4/1, 4/2) occur.Type: ApplicationFiled: September 16, 2005Publication date: August 23, 2007Applicant: DOPPSTADT CALBE GMBHInventors: Johann Doppstadt, Horst Berger