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Lewis M Koppel

from Evanston, IL
Age ~81

Lewis Koppel Phones & Addresses

  • 431 Ridge Ave APT 2, Evanston, IL 60202 (847) 859-6666
  • Morton Grove, IL
  • 1023 Andrews Ct, Naperville, IL 60540 (630) 527-1809
  • 23 Andrews Ct, Naperville, IL 60565
  • 22 Woodhaven Rd, Buffalo, NY 14226
  • Stamford, CT
  • Savoy, IL
  • Amherst, NY
  • 1023 Andrews Ct, Naperville, IL 60540

Business Records

Name / Title
Company / Classification
Phones & Addresses
Lewis M. Koppel
Principal
Lmkonsuit, LLC
Business Services at Non-Commercial Site
1023 Andrews Ct, Naperville, IL 60540

Publications

Us Patents

Inert Autogenous Attrition Grinding

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US Patent:
49321668, Jun 12, 1990
Filed:
Oct 3, 1988
Appl. No.:
7/252751
Inventors:
Wolfgang D. G. Boecker - Lewiston NY
Tadeusz Korzekwa - Lewiston NY
Lewis M. Koppel - Amherst NY
Assignee:
The Carborundum Company - Cleveland OH
International Classification:
B24D 300
US Classification:
51293
Abstract:
A method for grinding an oxygen sensitive ceramic material to a powder which comprises grinding an oxygen sensitive ceramic feed material having an average particle size of between 1 and 200 microns in a contamination free high energy autogenous attrition mill in non-oxidizing fluid in the presence of media for a sufficient time to obtain a specific surface area of at least 5 m. sup. 2 /g and preferably at least 9 m. sup. 2 /g. The media consists essentially of the same ceramic as the feed material is of high purity and has an average particle size of less than 4 mm and preferably less than 2. 5 mm. the ground material may be further treated so that the average particle size is less than one micron and so that the greater than 97 numerical percent of the particles of the finished powder is smaller than 5 microns. The invention includes the finished powder.

Anode For A Plasma Arc Torch

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US Patent:
48960179, Jan 23, 1990
Filed:
Nov 7, 1988
Appl. No.:
7/268119
Inventors:
Lewis M. Koppel - Amherst NY
Jonathan J. Kim - Williamsville NY
Assignee:
The Carborundum Company - Cleveland OH
International Classification:
B23K 900
US Classification:
21912152
Abstract:
An anode for plasma torch that has a primary section and a secondary section with a gradual transition between the sections. The diameter of the hollow primary section tapers down toward a transition zone, at which point the anode formed by the sections makes a gradual transition to the secondary section. The secondary section is cylindrical and has a diameter larger than that of the primary section from which the plasma exists the anode. The transition zone will describe a generally conical surface and may include a convex radius on the neck where the primary and transition sections meet.
Lewis M Koppel from Evanston, IL, age ~81 Get Report