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.

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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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.