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An Apparatus For Making Circular Weld On Heavy Thick Plates In A Dual Torch Submerged Arc Welding

Abstract: The invention relates to an improved apparatus for making a circular weld on heavy thick plates in a dual torch submerged-arc welding process, the apparatus comprising symmetrically arranged dual torches disposed on a horizontal, extendible and contractible boom, the boom being supported in a vertical support member for rotation about vertical axis for a swinging movement of the boom arm, the vertical support member connected to a gear box assembly for rotational speed adjustment, a welding power supply provided in top of the gear box assembly for avoiding any twisting of welding cables, and the welding torches with flux feeding arrangement fixed on the horizontal boom with a wire reel attached on the centre of the boom.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
26 November 2014
Publication Number
35/2016
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
lsdavar@ca12.vsnl.net.in
Parent Application
Patent Number
Legal Status
Grant Date
2021-02-25
Renewal Date

Applicants

BHARAT HEAVY ELECTRICALS LIMITED
with one of its Regional offices at REGION CAL OPERATIONS DIVISION (ROD) Plot No.9/1, DJ Block 3rd Floor, Karunamoyee, Salt Lake City, Kolkata-700091 having its Registered Office at BHEL HOUSE, SIRI FORT, New Delhi – 110049, INDIA

Inventors

1. KOTTAIMATHAN GANESH KUMAR
C/o BHARAT HEAVY ELECTRICALS LIMITED, Tiruchirappalli - 620014, India
2. MARIADOSS ALPHONSE JOHNSON CLAWRENCE
C/o BHARAT HEAVY ELECTRICALS LIMITED, Tiruchirappalli - 620014, India
3. PAYYALORE RAMAN VENKATESWARAN
C/o BHARAT HEAVY ELECTRICALS LIMITED, Tiruchirappalli - 620014, India
4. MANNARSAMY RAMAKRISHNAN
C/o BHARAT HEAVY ELECTRICALS LIMITED, Tiruchirappalli - 620014, India
5. GENGUSAMY BUVANASHEKARAN
C/o BHARAT HEAVY ELECTRICALS LIMITED, Tiruchirappalli - 620014, India

Specification

CLIAMS:Please find the attached file ,TagSPECI:Please find the attached file

Documents

Application Documents

# Name Date
1 1241-KOL-2014-IntimationOfGrant25-02-2021.pdf 2021-02-25
1 GPA.pdf 2014-11-28
2 1241-KOL-2014-PatentCertificate25-02-2021.pdf 2021-02-25
2 F3.pdf 2014-11-28
3 F2.pdf 2014-11-28
3 1241-KOL-2014-FORM-26 [17-02-2021(online)].pdf 2021-02-17
4 DW.pdf 2014-11-28
4 1241-KOL-2014-Further Evidence [17-02-2021(online)].pdf 2021-02-17
5 1241-kol-2014-CLAIMS [26-02-2019(online)].pdf 2019-02-26
5 1241-KOL-2014-(03-12-2014)-FORM-1.pdf 2014-12-03
6 1241-kol-2014-DRAWING [26-02-2019(online)].pdf 2019-02-26
6 1241-KOL-2014-(03-12-2014)-CORRESPONDENCE.pdf 2014-12-03
7 1241-KOL-2014-FER.pdf 2018-08-28
7 1241-KOL-2014-ENDORSEMENT BY INVENTORS [26-02-2019(online)].pdf 2019-02-26
8 1241-kol-2014-OTHERS [26-02-2019(online)].pdf 2019-02-26
8 1241-kol-2014-FER_SER_REPLY [26-02-2019(online)].pdf 2019-02-26
9 1241-KOL-2014-FORM 3 [26-02-2019(online)].pdf 2019-02-26
9 1241-KOL-2014-FORM-26 [26-02-2019(online)].pdf 2019-02-26
10 1241-KOL-2014-FORM 3 [26-02-2019(online)].pdf 2019-02-26
10 1241-KOL-2014-FORM-26 [26-02-2019(online)].pdf 2019-02-26
11 1241-kol-2014-FER_SER_REPLY [26-02-2019(online)].pdf 2019-02-26
11 1241-kol-2014-OTHERS [26-02-2019(online)].pdf 2019-02-26
12 1241-KOL-2014-ENDORSEMENT BY INVENTORS [26-02-2019(online)].pdf 2019-02-26
12 1241-KOL-2014-FER.pdf 2018-08-28
13 1241-KOL-2014-(03-12-2014)-CORRESPONDENCE.pdf 2014-12-03
13 1241-kol-2014-DRAWING [26-02-2019(online)].pdf 2019-02-26
14 1241-KOL-2014-(03-12-2014)-FORM-1.pdf 2014-12-03
14 1241-kol-2014-CLAIMS [26-02-2019(online)].pdf 2019-02-26
15 1241-KOL-2014-Further Evidence [17-02-2021(online)].pdf 2021-02-17
15 DW.pdf 2014-11-28
16 1241-KOL-2014-FORM-26 [17-02-2021(online)].pdf 2021-02-17
16 F2.pdf 2014-11-28
17 1241-KOL-2014-PatentCertificate25-02-2021.pdf 2021-02-25
17 F3.pdf 2014-11-28
18 GPA.pdf 2014-11-28
18 1241-KOL-2014-IntimationOfGrant25-02-2021.pdf 2021-02-25

Search Strategy

1 1241KOL2014_03-08-2018.pdf

ERegister / Renewals

3rd: 15 May 2021

From 26/11/2016 - To 26/11/2017

4th: 15 May 2021

From 26/11/2017 - To 26/11/2018

5th: 15 May 2021

From 26/11/2018 - To 26/11/2019

6th: 15 May 2021

From 26/11/2019 - To 26/11/2020

7th: 15 May 2021

From 26/11/2020 - To 26/11/2021