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Class 29/23.1 - TOOTHED-CYLINDER MAKING APPARATUS (E.G., TEXTURE WORKING CYLINDER)


Subclass of Class 29 - Metal working
Definition: Means for forming, applying, and securing metallic teeth
No. of patents: 5
Last issue date: 05/13/2008


NumberTitleIssue Date
7370418Method of manufacturing a sheet feed roller
Projections 4-formed on a circumferential surface of a roller portion of the sheet feed roller comprise straight grain projections whose projecting direction faces to the rotation direction of the roller portion, and reverse grain projections that are formed in a di...
05/13/2008
7074520Contoured casing of mating clamshell portions for an electrochemical cell
The present invention provides an electrochemical cell of either a primary or a secondary chemistry housed in a casing having opposed major side walls of a contoured shape. ...
07/11/2006
6532661Sheet feed shaft, apparatus for manufacturing same and method for manufacturing same
A sheet such as paper or a hard film can be fed accurately in an intended direction while positively holding the sheet merely by applying plastic processing to a peripheral surface of a metallic rod. A plurality of spike-like projections A, B risen at an obtus...
03/18/2003
6037077Electrode assembly for high energy devices
An electrode assembly constructed of continuous anode and cathode electrode that are overlaid in overlapping fashion and folded several times rather than wound into a cylinder in the conventional "jelly roll" electrode assembly. The electrode assembly has...
03/14/2000
5698086Stepped honed core mandrel
An electroforming process and apparatus for forming an electroform with a roughened surface. The present invention roughens the surface of the mandrel using a sandblasting device in the center region of the mandrel allowing the two end regions to remain s...
12/16/1997
 
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