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The control system for end cutting of hot rolled products using flying shear in a hot rolling mill which would enable automatic cutting of front end and/or back end of product and would be simple to operate comprises controller based system adapted to receive input signals from a pinch roll sensing control, hot metal detector, selector switch, means for measuring linear speed of metal and adapted to generate signals to activate an opto-coupler interface for the end cutting operation. The system can be used in a wire rod mill to cut the back of wire rod. The system would also provide for length of cut piece to be uniform in length and would serve as a cost effective system adapted for use in an existing rolling mill to have a facility of front end cutting and back end cutting.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
14 January 2002
Publication Number
Publication Type
Invention Field
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2005-11-25
Renewal Date

Applicants

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

Inventors

1. PAUL ASOKE KUMAR
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
2. SABLOK SUSHIL KUMAR
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
3. SINHA SUBROTO
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
4. JENA ARUN KUMAR
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
5. MOKKAPATY GOPALA KRISHNA
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002
6. SANTRA BRAJENDRA KUMAR
RESEARCH AND DEVELOPMENT CENTRE FOR IRON AND STEEL, STEEL AUTHORITY OF INDIA LTD., DORANDA, RANCHI-834002

Specification

Documents

Application Documents

# Name Date
1 21-cal-2002-granted-specification.pdf 2011-10-06
2 21-cal-2002-granted-reply to examination report.pdf 2011-10-06
3 21-cal-2002-granted-pa.pdf 2011-10-06
4 21-cal-2002-granted-letter patent.pdf 2011-10-06
5 21-cal-2002-granted-form 3.pdf 2011-10-06
6 21-cal-2002-granted-form 2.pdf 2011-10-06
7 21-cal-2002-granted-form 18.pdf 2011-10-06
8 21-cal-2002-granted-form 1.pdf 2011-10-06
9 21-cal-2002-granted-examination report.pdf 2011-10-06
10 21-cal-2002-granted-drawings.pdf 2011-10-06
11 21-cal-2002-granted-description (complete).pdf 2011-10-06
12 21-cal-2002-granted-correspondence.pdf 2011-10-06
13 21-cal-2002-granted-claims.pdf 2011-10-06
14 21-cal-2002-granted-abstract.pdf 2011-10-06
15 00021-cal-2002-pa.pdf 2011-10-06
16 00021-cal-2002-form-3.pdf 2011-10-06
17 00021-cal-2002-form-2.pdf 2011-10-06
18 00021-cal-2002-form-18.pdf 2011-10-06
19 00021-cal-2002-form-1.pdf 2011-10-06
20 00021-cal-2002-drawings.pdf 2011-10-06
21 00021-cal-2002-description(complete).pdf 2011-10-06
22 00021-cal-2002-correspondence.pdf 2011-10-06
23 00021-cal-2002-claims.pdf 2011-10-06
24 00021-cal-2002-abstract.pdf 2011-10-06

ERegister / Renewals

3rd: 29 Dec 2005

From 14/01/2004 - To 14/01/2007

4th: 29 Dec 2005

From 14/01/2005 - To 14/01/2008

5th: 29 Dec 2005

From 14/01/2006 - To 14/01/2009

6th: 08 Jan 2007

From 14/01/2007 - To 14/01/2008

7th: 04 Jan 2008

From 14/01/2008 - To 14/01/2009

8th: 05 Jan 2009

From 14/01/2009 - To 14/01/2010