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| Number | Title | Issue Date |
| 7241207 | Grinding machine and method for grinding a workpiece Disclosed is a grinding machine comprising oscillating driving means (3, 4) for setting grinding means (1) into an oscillating grinding motion and an actuation device (7) that is provided with a plurality of actuation areas (8) which can ... | 07/10/2007 |
| 7090569 | Manual clutch device for a roller sander for controlling reciprocating movement of a roller A clutch device for a roller sand for controlling reciprocating movement of a roller includes a belt wheel, a connecting shaft and a adjusting button. The roller sander consists of a base, a motor set, a roller set and a linking device. The belt wheel is pivotally c... | 08/15/2006 |
| 7014544 | Reciprocating and deflecting swing device for the roller of a cylindrical emery-polishing machine A reciprocating and deflecting swing device for the roller of a cylindrical emery-polishing machine includes a motor fixing base having its inner side provided with a lower holder engaged thereon with an upper holder, with an emery-tape roller fitted in the upper ho... | 03/21/2006 |
| 7004818 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern The motor is connected to the platen by a belt that extend... | 02/28/2006 |
| 6783443 | Polishing machine for stone materials, having multiple grinding heads aligned on two oscillating and parallel beams with variable offset The polishing machine for stone materials comprises: a conveyor belt for the slabs or strips to be polished, a beam made to oscillate on at least two transverse, fixed frames above the said conveyor, at least one oscillating mechanism, a number of polishing heads, a... | 08/31/2004 |
| 6520833 | Oscillating fixed abrasive CMP system and methods for implementing the same A chemical mechanical polishing (CMP) apparatus is provided. A first roller is situated at a first point and a second roller situated at a second point, such that the first point is separate from the second point. A polishing pad strip is also included an... | 02/18/2003 |
| 6468133 | Method for treating fibrous webs The present invention concerns a method for treating the surface of a fibrous web by mechanical grinding. According to the invention, the grinding is performed at substantially dry state by removing only the higher parts of the paper surface without subst... | 10/22/2002 |
| 6001004 | Panel sanding machine with automatic changing and cleaning of the abrasive belt A panel sanding machine comprises an abrasive belt and a pad mounted by the machine in such a way that it rotates in orbital fashion around an axis transverse to the plane in which the panels lie and presses the abrasive belt against the panel being machi... | 12/14/1999 |
| 5895312 | Apparatus for removing surface irregularities from a flat workpiece An apparatus for removing surface irregularities from a flat workpiece includes one or more abrading assemblies through which the workpiece passes sequentially. Each abrading assembly has a lower contact assembly and an upper contact assembly. The upper c... | 04/20/1999 |
| 5733180 | Sanding machine A Sanding machine for sanding of workpieces including relief formations passed in a direction of conveyance through the sanding machine, the sanding machine comprising sanding heads extending transverse to the direction of conveyance of workpieces passed ... | 03/31/1998 |
| 5707273 | Multiple-pad orbital sander with split pad platen An abrasive, sanding and/or surface finishing apparatus designed to extend the useful life of abrasive material which employs a dual-platen arrangement having a particulate removal system designed to effectively remove particulate from the working area of... | 01/13/1998 |
| 5702287 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt... | 12/30/1997 |
| 5577951 | Process and apparatus for abrading extrusions A combination of an apparatus or an extrusion for lengthwise movement of the elongate metal extrusion. The extrusion having therein a lengthwise cavity which has a central portion and two pockets disposed on opposite sides of and opening into the central ... | 11/26/1996 |
| 5443414 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt... | 08/22/1995 |
| 5321913 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt... | 06/21/1994 |
| 5181342 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt... | 01/26/1993 |
| 5179805 | Sanding method and apparatus Two juxtaposed sanding belts are pressed against a surface of a wood workpiece which is being fed on a table in a direction. The sanding belts are simultaneously reciprocally moved in mutually opposite directions along the workpiece feeding direction, the... | 01/19/1993 |
| 5081794 | Sander with orbiting platen and abrasive The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt... | 01/21/1992 |
