Title of Invention

A PROCESS AND ROLL STAND FOR COLD ROLLING OF A METAL STRIP.

Abstract A PROCESS IS SET FORTH FOR COLD ROLLING OF A METAL STRIP(18), WHEREIN THE METAL STRIP PASSES THROUGH A NIP (17) BETWEN TWO COUNTER-ROTATING ROLLS(16), DRIVEN IN COUNTER-ROTATION SUBSTANTIALLY AT ROOM TERMPERATURE WHEREIN A COLD AND/OR LIQUEFIED GAS, PREFERABLY AN INERT GAS, IS BLOWN INTO THE AREA OF THE NIP OR ROLL GAP. A ROLL STAND ACCORDING TO THE PRESENT INVENTION COMPRISES TWO COUNTER-ROTATING ROLLS FORMING A NIP OR ROLLING GAP AND NOZZLE MEANS(1) FOR BLOWING A COLD AND/OR LIQUEFIED GAS, PREFERABLY AN INERT GAS, THROUGH AT LEAST ONE ORIFICE OF SAID NOZZLE MEANS INTO THE AREA OF THE ROLL NIP. PREFERABLY, THE TEMPERATURE OF THE COLD AND/OR LIQUEFIED GAS IS APPRECIABLY LOWER THAN ROOM TEMPERATURE.
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Documents:


Patent Number 201718
Indian Patent Application Number 01377/KOL-NP/2003
PG Journal Number 30/2009
Publication Date 24-Jul-2009
Grant Date 12-Jan-2007
Date of Filing 27-Oct-2003
Name of Patentee AIR PRODUCTS AND CHEMICALS, INC.,
Applicant Address 7201 HAMILTON BOULEVARD, ALLENTOWN, PA 18195-1501, UNITED STATES OF AMERICA, A UNITED STATES CORPORATION.
Inventors:
# Inventor's Name Inventor's Address
1 1. PLICHT GUIDO, 1. TRAPPHOFSTR.112, 44287 DORTMUND, GERMANY
2 1. PLICHT GUIDO, 1. TRAPPHOFSTR.112, 44287 DORTMUND, GERMANY
3 1. PLICHT GUIDO, 1. TRAPPHOFSTR.112, 44287 DORTMUND, GERMANY
PCT International Classification Number B 21 D 45/02
PCT International Application Number PCT/EP02/04068
PCT International Filing date 2002-04-11
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 09/846,619 2001-05-01 U.S.A.