U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 451/207 - Roller work feed


Subclass of Class 451 - Abrading
Definition: Abrading machine in which the workpiece is forwarded between
No. of patents: 12
Last issue date: 11/22/2005


NumberTitleIssue Date
6966816Integrated endpoint detection system with optical and eddy current monitoring
A chemical mechanical polishing apparatus and method can use an eddy current monitoring system and an optical monitoring system. Signals from the monitoring systems can be combined on an output line and extracted by a computer. A thickness of a polishing pad can be ...
11/22/2005
6447386Presser roll for surface planner
A presser roll for surface planers is described herein. The presser roll comprises a longitudinal shaft, a radially deformable generally cylindrical sleeve mounted on said longitudinal shaft for rotation in unison therewith and a biasing assembly mounted ...
09/10/2002
6416382Bilateral automatic machine for edge-machining plates of glass, stone-like materials and the like
A bilateral automatic machine for machining the edges of plates of glass, stone-like and of other plate shaped materials and the like, comprising a supporting frame which has a conveyor for the plates to be machined. There are also provided an abutment sh...
07/09/2002
6149499Polishing apparatus and polishing method
A polishing apparatus comprises holding means for holding an object with the surface to be polished being exposed, first driving means for pressing the holding means against the polishing cloth with variable pressing force and rotating the holding means. ...
11/21/2000
5643063Clamping mechanism for a powered sander
A carrier is connected to the plunger for reciprocating therewith; the carrier is of inverted U-shape defining a recess open at its bottom. A holder is pivotally mounted to the carrier for swinging movement back and forth between a first position wherein ...
07/01/1997
5595524Grinding apparatus and method which supports a workpiece on the surface being ground
A method and apparatus for grinding a surface on a workpiece, such as a spigot on a pipe, while supporting the workpiece on the surface being ground. The grinding apparatus includes workpiece support wheels, two of which are positioned beneath the workpie...
01/21/1997
5464363Polishing stack for thermoplastic films or sheets
The invention relates to a polishing stack with at least one fixed and one moveable polishing roll for polishing a plastic sheet leaving a wide extrusion die. A device is provided that preloads the frames and the bearings and acts on a roll gap adjusting ...
11/07/1995
5313745Tread edge grinding method and apparatus
A method and apparatus (10) for grinding the edge of a precured tread (100) is described. The method for removing material from and shaping an edge of a precured tread comprises the steps of: a) placing the edge of the tread in a V-shaped groove of a grinding ...
05/24/1994
5087319Apparatus for continuous manufacture of laminates
The invention is directed to an apparatus for continuous fabrication of laminates comprising several layers of at least partially resin impregnated material webs which are extruded together. The material webs are taken off supply coils in the take off uni...
02/11/1992
4502250Grinding apparatus
A grinding machine for continuous descaling, cleaning and polishing of steel wire and the like employs a plurality of grinding wheels which are self-adjusting for wear and self-trimming so that no manual adjustment or trimming is required for the life of ...
03/05/1985
4047470Machine for working metal surface
Apparatus for machining the surface of an elongated rigid workpiece passing therethrough in a predetermined direction along a path. The apparatus includes at least one station having opposed tools for engaging opposite sides of the workpiece. The tools ha...
09/13/1977
4036105Machine for edge forming of sheets for welding
A machine for edge forming of sheets for welding comprising drive rolls for feeding a sheet being machined to oppositely mounted fixed cutting tools arranged along the edges being machined and support rollers mounted adjacent to the cutting tools above an...
07/19/1977
 
Sign InRegister
Username  
Password   
forgot password?