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A system for on-line measurement of elongation imparted to and off-gauge occurring in a strip subjected to rolling in a skin pass mill having an input side with an uncoiler means and an output side with a coiler means, a main stand between input side and output side to effect skin pass or temper rolling. The system when used for measuring elongation comprises measurement means on input side and output side for sensing the physical parameters of the strip and generating pulses representative of such parameters, means for processing such pulses and for calculating, indicating and recording elongation factor for quality appraisal. The system when used for determining off-gauge in a strip comprises means for measuring the gauge of the strip and for generating signals representative of measured thickness, means for processing such signals and for detecting and indicating off-gauge conditions of the strip.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
24 March 2000
Publication Number
Publication Type
Invention Field
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2005-07-15
Renewal Date

Applicants

STEEL AUTHORITY OF INDIA LIMITED
RESEARCH & DEVELOPMENT CENTRE FOR IRON & STEEL, DORANDA, RANCHI

Inventors

1. SHARAN ARCHANA
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
2. KHAN SUSHIL CHANDRA
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
3. PRASAD ANUP
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
4. KUMAR DEEPAK
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
5. ILANGOVAN SHANMUGAM
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002

Specification

Documents

Application Documents

# Name Date
1 177-cal-2000-granted-specification.pdf 2011-10-06
2 177-cal-2000-granted-reply to examination report.pdf 2011-10-06
3 177-cal-2000-granted-pa.pdf 2011-10-06
4 177-cal-2000-granted-letter patent.pdf 2011-10-06
5 177-cal-2000-granted-form 3.pdf 2011-10-06
6 177-cal-2000-granted-form 2.pdf 2011-10-06
7 177-cal-2000-granted-form 18.pdf 2011-10-06
8 177-cal-2000-granted-form 1.pdf 2011-10-06
9 177-cal-2000-granted-drawings.pdf 2011-10-06
10 177-cal-2000-granted-description (complete).pdf 2011-10-06
11 177-cal-2000-granted-correspondence.pdf 2011-10-06
12 177-cal-2000-granted-claims.pdf 2011-10-06
13 177-cal-2000-granted-abstract.pdf 2011-10-06
14 00177-cal-2000 pa.pdf 2011-10-06
15 00177-cal-2000 form-3.pdf 2011-10-06
16 00177-cal-2000 form-2.pdf 2011-10-06
17 00177-cal-2000 form-19.pdf 2011-10-06
18 00177-cal-2000 form-1.pdf 2011-10-06
19 00177-cal-2000 drawings.pdf 2011-10-06
20 00177-cal-2000 description(complete).pdf 2011-10-06
21 00177-cal-2000 correspondence.pdf 2011-10-06
22 00177-cal-2000 claims.pdf 2011-10-06
23 00177-cal-2000 abstract.pdf 2011-10-06

ERegister / Renewals

3rd: 30 Aug 2005

From 24/03/2002 - To 24/03/2005

4th: 30 Aug 2005

From 24/03/2003 - To 24/03/2006

5th: 30 Aug 2005

From 24/03/2004 - To 24/03/2007

6th: 30 Aug 2005

From 24/03/2005 - To 24/03/2008

7th: 25 Jan 2006

From 24/03/2006 - To 24/03/2009

8th: 08 Mar 2007

From 24/03/2007 - To 24/03/2008

9th: 22 Feb 2008

From 24/03/2008 - To 24/03/2009