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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 451/173 - Rotary work holder


Subclass of Class 451 - Abrading
Definition: Abrading machine including a member which grips and turns
No. of applications: 6
Last issue date: 10/22/2009


Application No.Application TitleIssue Date
20090264048Machine and process for grinding dies
The invention relates to a machine and process for grinding dies, in which the work axis (CO) of the plate (2.1) in which the die (1) to be machined is anchored is controlled at all the points of its angular movement, allowing the interpolation of the move...
10/22/2009
20090191793Method of and device for abrasive machining and abrasive tool provided therefor
Fine abrasive machining of a part includes providing a tool having a plurality of successive portions configured and arranged so that each preceding portion provides a coarser abrasive machining while each subsequent portion provides a final abrasive machining, and prov...
07/30/2009
20080113509POLISHING METHOD AND POLISHING DEVICE
Disclosed herein is a polishing method for polishing the end surface of a wafer by using a polishing tape, wherein the end surface of the wafer is polished in the condition where a polishing liquid containing an oxidizing agent is supplied to the end surface of the wafe...
05/15/2008
20070202777Linearly Advancing Polishing Method And Apparatus
Continuous feeding of workpieces to an apparatus and effective use of the space around the apparatus are difficult in rotary abrasive finishing. To solve such problems, the present invention provides a conceptually novel method and apparatus for linear abrasive finishin...
08/30/2007
20070197141Polishing apparatus with grooved subpad
A polishing apparatus is described. The polishing apparatus includes a rotatable platen, a drive mechanism to incrementally advance a polishing sheet having a polishing surface in a linear direction across the platen, a subpad on the platen to support the polishing shee...
08/23/2007
20050124263Grinding arrangement
A grinding arrangement for sharpening knives carried by a chopper drum includes a movement arrangement for moving a grinding stone along the chopper drum during a grinding process. A force measurement arrangement is provided which measures the force applied to the knife...
06/09/2005
 
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