Manzoor A Chaudhry

US Patent:

6758282, Jul 6, 2004

Filed:

Sep 18, 2001

Appl. No.:

09/955426

Inventors:

David S. Pliner - Huntingdon Valley PA
Manzoor Chaudhry - Bensalem PA
Stephen T. Norvilas - Doylestown PA
Elmer H. Foster - Mount Laurel NJ
Robert D. Bussiere - Frankfort IL

Assignee:

Allied Tube Conduit Company - Harvey IL

International Classification:

A62C 200

US Classification:

169 43, 169 5, 169 16, 138145, 252387, 252390, 118306, 118318, 427230, 427236

Abstract:

A fire protection water sprinkler system, comprising at least one metal tube to carry water within the system, the metal tube having a coating on its interior surface comprising a quaternary ammonium salt in combination with a filming amine(s) and/or a synthetic oil.

US Patent:

54533023, Sep 26, 1995

Filed:

May 16, 1994

Appl. No.:

8/243583

Inventors:

Manzoor A. Chaudhry - Bensalem PA
Jeffrey L. Lamber - Richton Park IL
Bruce E. Laumann - Crown Point IN
Edward E. Mild - Frankfort IL
Brian G. Muick - Country Club Hills IL
Stephen T. Norvilas - Doylestown PA
David S. Pliner - Huntingdon Valley PA
Stephen E. Seilheimer - Homewood IL

Assignee:

Allied Tube & Conduit Corporation - Harvey IL

International Classification:

B05D 118
B05C 1100

US Classification:

4274301

Abstract:

A method and apparatus for applying a coating to a continuous length of tubing. A coating chamber having entry and exit ports substantially encloses a portion of the tubing while permitting the tubing to pass continuously therethrough. Airflow into the coating chamber through the exit port strips excess coating material from the tubing surface. Air is withdrawn from the coating chamber by vacuum pumps through one or more separation chambers which separate entrained particles or droplets of coating material from the air. The coating chamber is preferably disposed at a distance from the separation chamber(s). The vacuum line connecting the coating chamber with the separation chamber(s) is preferably flexible or breakable. The separation chambers are preferably capable of being operated in series or in parallel. Adjustable masks are preferably provided at the entry and exit ports of the coating chamber.

US Patent:

56142650, Mar 25, 1997

Filed:

Feb 14, 1995

Appl. No.:

8/388972

Inventors:

Manzoor A. Chaudhry - Bensalem PA
Jeffrey L. Lamber - Richton Park IL
Bruce E. Laumann - Crown Point IN
Edward E. Mild - Frankfort IL
Brian G. Muick - Country Club Hills IL
Stephen T. Norvilas - Doylestown PA
David S. Pliner - Huntingdon Valley PA
Stephen E. Seilheimer - Homewood IL

Assignee:

Allied Tube & Conduit Corporation - Harvey IL

International Classification:

B05D 118

US Classification:

4274301

Abstract:

A method and apparatus for applying a coating to a continuous length of tubing. A coating chamber having entry and exit ports substantially encloses a portion of the tubing while permitting the tubing to pass continuously therethrough. Airflow into the coating chamber through the exit port strips excess coating material from the tubing surface. Air is withdrawn from the coating chamber by vacuum pumps through one or more separation chambers which separate entrained particles or droplets of coating material from the air. The coating chamber is preferably disposed at a distance from the separation chamber(s). The vacuum line connecting the coating chamber with the separation chamber(s) is preferably flexible or breakable. The separation chambers are preferably capable of being operated in series or in parallel. Adjustable masks are preferably provided at the entry and exit ports of the coating chamber.