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A Machine For Overlay Welding On Short Radius Elbow Surfaces
Abstract: Special purpose welding overlay equipment comprising a turntable with a top plate, clamping fixture consisting of top and bottom claiming plates, said bottom clamping plates being placed on and tacked welded to the said top plate by matching its centerline with object's mean radius, the said top and bottom plates are then clamped together, the vertical pipe arm bolted to the said turntable, the pipe sleeve being sliding over said vertical arm, one end of horizontal pipe arm being welded to the said sleeve at right angle and the other end being welded to the curved pipe arm horizontally, at open end of curved pipe arm a swivel plate mechanism is welded and then welding torch mounted on it thereby making short radius elbows being tilted to any desired angle and thus making it possible to carry out overlay welding using submerged arc welding and flux cored arc welding process.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
27 November 2003
Publication Number
111
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2009-04-21
Renewal Date
Applicants
LARSEN & TOUBRO LIMITED
L&T HOUSE,
BALLARD ESTATE,
MUMBAI-400001.
Inventors
1. RAVINDRA VASUDEO MAHAJAN
C/O LARSEN & TOUBRO LIMITED,
HEAVY ENGINEERING DIVISION,
E-4 GR.GLOOR, GATE NO.1,
POWAI WORKS, SAKI VIHAR ROAD,
POWAI, MUMBAI-400072.
2. KISHOR ATMARAM KHOCHARE
C/O. LARSEN & TOUBRO LIMITED,
HEAVY ENGINEERING DIVISION,
E-4 GR.GLOOR, GATE NO.1,
POWAI WORKS, SAKI VIHAR ROAD,
POWAI, MUMBAI-400072.
Specification
N/A
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1224-mum-2003-cancelled pages(29-2-2009).pdf | 2018-08-08 |
| 1 | 1224-mum-2003-power of authority(27-11-2003).pdf | 2003-11-27 |
| 2 | 1224-mum-2003-claims(amended)-(29-2-2009).pdf | 2018-08-08 |
| 2 | 1224-mum-2003-form 2(title page)-(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 3 | 1224-mum-2003-form 2(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 3 | 1224-mum-2003-claims(granted)-(21-4-2009).pdf | 2018-08-08 |
| 4 | 1224-mum-2003-form 1(27-11-2003).pdf | 2003-11-27 |
| 4 | 1224-mum-2003-correspondence(29-2-2008).pdf | 2018-08-08 |
| 5 | 1224-mum-2003-drawing(27-11-2003).pdf | 2003-11-27 |
| 5 | 1224-MUM-2003-CORRESPONDENCE(IPO)-(21-4-2009).pdf | 2018-08-08 |
| 6 | 1224-mum-2003-description(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 6 | 1224-mum-2003-correspondence(ipo)-(24-3-2009).pdf | 2018-08-08 |
| 7 | 1224-mum-2003-form 4(29-11-2004).pdf | 2004-11-29 |
| 7 | 1224-MUM-2003-CORRESPONDENCE(IPO)-(8-5-2009).pdf | 2018-08-08 |
| 8 | 1224-mum-2003-form 5(27-12-2004).pdf | 2004-12-27 |
| 8 | 1224-mum-2003-description(granted)-(21-4-2009).pdf | 2018-08-08 |
| 9 | 1224-mum-2003-drawing(granted)-(21-4-2009).pdf | 2018-08-08 |
| 9 | 1224-mum-2003-form 3(27-12-2004).pdf | 2004-12-27 |
| 10 | 1224-MUM-2003-FORM 18(19-5-2006).pdf | 2018-08-08 |
| 10 | 1224-mum-2003-form 2(title page)-(complete)-(27-12-2004).pdf | 2004-12-27 |
| 11 | 1224-mum-2003-form 2(complete)-(27-12-2004).pdf | 2004-12-27 |
| 11 | 1224-mum-2003-form 2(granted)-(21-4-2009).pdf | 2018-08-08 |
| 12 | 1224-mum-2003-drawing(27-12-2004).pdf | 2004-12-27 |
| 12 | 1224-mum-2003-form 2(title page)-(granted)-(21-4-2009).pdf | 2018-08-08 |
| 13 | 1224-mum-2003-description(complete)-(27-12-2004).pdf | 2004-12-27 |
| 13 | 1224-mum-2003-form 3(29-2-2008).pdf | 2018-08-08 |
| 14 | 1224-MUM-2003-CORRESPONDENCE(27-12-2004).pdf | 2004-12-27 |
| 14 | 1224-MUM-2003-REPLY TO FIRST EXAMINATION REPORT(29-2-2008).pdf | 2018-08-08 |
| 15 | 1224-mum-2003-claims(27-12-2004).pdf | 2004-12-27 |
| 15 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(18-10-2012).pdf | 2012-10-18 |
| 16 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(02-07-2009).pdf | 2009-07-02 |
| 16 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(15-10-2009).pdf | 2009-10-15 |
| 17 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(15-10-2009).pdf | 2009-10-15 |
| 17 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(02-07-2009).pdf | 2009-07-02 |
| 18 | 1224-mum-2003-claims(27-12-2004).pdf | 2004-12-27 |
| 18 | 1224-MUM-2003-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(18-10-2012).pdf | 2012-10-18 |
| 19 | 1224-MUM-2003-CORRESPONDENCE(27-12-2004).pdf | 2004-12-27 |
| 19 | 1224-MUM-2003-REPLY TO FIRST EXAMINATION REPORT(29-2-2008).pdf | 2018-08-08 |
| 20 | 1224-mum-2003-description(complete)-(27-12-2004).pdf | 2004-12-27 |
| 20 | 1224-mum-2003-form 3(29-2-2008).pdf | 2018-08-08 |
| 21 | 1224-mum-2003-drawing(27-12-2004).pdf | 2004-12-27 |
| 21 | 1224-mum-2003-form 2(title page)-(granted)-(21-4-2009).pdf | 2018-08-08 |
| 22 | 1224-mum-2003-form 2(complete)-(27-12-2004).pdf | 2004-12-27 |
| 22 | 1224-mum-2003-form 2(granted)-(21-4-2009).pdf | 2018-08-08 |
| 23 | 1224-MUM-2003-FORM 18(19-5-2006).pdf | 2018-08-08 |
| 23 | 1224-mum-2003-form 2(title page)-(complete)-(27-12-2004).pdf | 2004-12-27 |
| 24 | 1224-mum-2003-form 3(27-12-2004).pdf | 2004-12-27 |
| 24 | 1224-mum-2003-drawing(granted)-(21-4-2009).pdf | 2018-08-08 |
| 25 | 1224-mum-2003-form 5(27-12-2004).pdf | 2004-12-27 |
| 25 | 1224-mum-2003-description(granted)-(21-4-2009).pdf | 2018-08-08 |
| 26 | 1224-mum-2003-form 4(29-11-2004).pdf | 2004-11-29 |
| 26 | 1224-MUM-2003-CORRESPONDENCE(IPO)-(8-5-2009).pdf | 2018-08-08 |
| 27 | 1224-mum-2003-description(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 27 | 1224-mum-2003-correspondence(ipo)-(24-3-2009).pdf | 2018-08-08 |
| 28 | 1224-mum-2003-drawing(27-11-2003).pdf | 2003-11-27 |
| 28 | 1224-MUM-2003-CORRESPONDENCE(IPO)-(21-4-2009).pdf | 2018-08-08 |
| 29 | 1224-mum-2003-form 1(27-11-2003).pdf | 2003-11-27 |
| 29 | 1224-mum-2003-correspondence(29-2-2008).pdf | 2018-08-08 |
| 30 | 1224-mum-2003-form 2(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 30 | 1224-mum-2003-claims(granted)-(21-4-2009).pdf | 2018-08-08 |
| 31 | 1224-mum-2003-claims(amended)-(29-2-2009).pdf | 2018-08-08 |
| 31 | 1224-mum-2003-form 2(title page)-(provisional)-(27-11-2003).pdf | 2003-11-27 |
| 32 | 1224-mum-2003-cancelled pages(29-2-2009).pdf | 2018-08-08 |
| 32 | 1224-mum-2003-power of authority(27-11-2003).pdf | 2003-11-27 |