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Class Information
Number: 366/76.7
Name: Agitating > Rubber or heavy plastic working > With specified feed means > Piston feeder (e.g., ram)
Description: Subject matter including a member movable along a straight path in the direction of feed of material to move the material into the mixing chamber.










Sub-classes under this class:

Class Number Class Name Patents
366/76.8 Mixing rotor having recess for material 9


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8485714 Sealed mixer Jul. 16, 2013
8118474 Device and method for mixing substances, mixing reactor and method for continuously ejecting a treated substance using said mixing reactor Feb. 21, 2012
8096699 Dough processing machine Jan. 17, 2012
8087814 Batch mixer Jan. 3, 2012
8047701 Batch mixer Nov. 1, 2011
7954991 Screw extruder with plunger feeder Jun. 7, 2011
7854542 Batch mixer and mixing rotor used in the same Dec. 21, 2010
7850045 Dispenser for flowable material Dec. 14, 2010
7556420 Internal mixer for kneading plastic materials Jul. 7, 2009
7476017 Intermeshing kneader with tilting mixing chamber Jan. 13, 2009
7404664 Keel type ram for use in internal batch mixers with tangential rotors Jul. 29, 2008
7329036 Pressurizing lid structure of a kneader Feb. 12, 2008
7314305 Thermally regulated closed mixer Jan. 1, 2008
7077558 Dough treatment facility Jul. 18, 2006
7033067 Cascading orifice mixer Apr. 25, 2006
6913379 Closed kneader Jul. 5, 2005
6908221 Closed mixer working process with stroke-control ram Jun. 21, 2005
6902312 Method of producing rubber mixtures Jun. 7, 2005
6883954 Dough treatment facility Apr. 26, 2005
6817748 Method for evaluating and controlling a mixing process Nov. 16, 2004
6817749 Ice cream softening appliance Nov. 16, 2004
6802644 Internal mixer with bearing housings having a dirt particle outlet Oct. 12, 2004
6644845 Buffer store for polymer melts, especially cellulose solutions Nov. 11, 2003
6623153 Device and method for charging a plasticizing unit of an injection molding machine Sep. 23, 2003
6422733 Internal mixer with wide throat and wear plates Jul. 23, 2002
5984516 Enclosed kneading apparatus Nov. 16, 1999
5897203 Dough portioning and kneading machine Apr. 27, 1999
5865535 Dynamic mixer control in plastics and rubber processing Feb. 2, 1999
5783983 Internal mixer Jul. 21, 1998
5653534 Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus Aug. 5, 1997
5626420 Apparatus for the continuous mixing of rubber May. 6, 1997
5529390 Mixing machine with symmetrically-guided presser rod actuator Jun. 25, 1996
5516206 Charging apparatus including a feed chute and tamping tool bent in a circular arc shape for inner mixers, helical extruders, or the like May. 14, 1996
5460445 Mixer Oct. 24, 1995
5441342 Apparatus for kneading portioned dough pieces Aug. 15, 1995
5350230 Door locking mechanism for batch mixers Sep. 27, 1994
5324107 Control method, monitoring method, and control device for kneader Jun. 28, 1994
5143734 Adjustable converging extruder hopper Sep. 1, 1992
5061078 Internal mixer Oct. 29, 1991
5044760 Closed type kneader Sep. 3, 1991
4953984 Overload preventing system for kneading machine Sep. 4, 1990
4938605 Apparatus and method for mixing and continuous extrusion of a plastic mass Jul. 3, 1990
4909724 Injection apparatus Mar. 20, 1990
4907891 Feed device for a continuous feed mixer Mar. 13, 1990
4893936 Mixing machine with non-intermeshing pair of rotors driven solely at the same rotor speed in opposite directions and having a predetermined rotational alignment relationship between the two co Jan. 16, 1990
4877328 Internal mixer Oct. 31, 1989
4762482 Feed device for injection molding machines Aug. 9, 1988
4744668 Internal batch mixing machines with non-intermeshing rotors of increased performance May. 17, 1988
4620793 Mixer device Nov. 4, 1986
4557683 Rotary plasticator ram injection machine Dec. 10, 1985

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