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A Method Of Joining Dissimilar Diameter Pipes Without Reducer In Economiser Headers Of High Pressure Boiler Used For Power Generation
Abstract: The invention relates to a method of joining dissimilar diameter pipes without reducer in economiser headers of high pressure boiler used for Power generation. The method comprises of machining the outer diameter of header pipe (1) matching with the diameter of connecting link to be joined with the said pipe (1). Length of the header pipe is maintained to an increased length compensating shortage of reducer length. The header pipe (1) is then welded to the connecting link without a reducer in between.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
11 August 2016
Publication Number
12/2017
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Applicants
BHARAT HEAVY ELECTRICALS LIMITED
with one of its Regional Offices at REGIONAL OPERATIONS DIVISION (ROD),PLOT : 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. VENKATESAN SURESH KUMAR
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
2. NATARAJAN KIRUBAKARAN
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
3. KRISHNAN PRAGADEESWARAN
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
4. RAGHAVAN SARANYA
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
5. KANDRIGA SWARUPARANI
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
6. NAGARAJAN SHIVA PRIYA
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
7. SUBRAMANI KALAIMANI
C/o. High Pressure Boiler Plant, Bharat Heavy Electricals Limited, Tiruchirapalli – 620 014, Tamilnadu, India
Specification
Claims:Please find the attached file , Description:Please find the attached file
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201631027437-Correspondence to notify the Controller [16-10-2023(online)].pdf | 2023-10-16 |
| 1 | Power of Attorney [11-08-2016(online)].pdf | 2016-08-11 |
| 2 | 201631027437-Correspondence to notify the Controller [12-10-2023(online)].pdf | 2023-10-12 |
| 2 | Form 3 [11-08-2016(online)].pdf | 2016-08-11 |
| 3 | Form 20 [11-08-2016(online)].pdf | 2016-08-11 |
| 3 | 201631027437-US(14)-HearingNotice-(HearingDate-16-10-2023).pdf | 2023-09-21 |
| 4 | Drawing [11-08-2016(online)].pdf | 2016-08-11 |
| 4 | 201631027437-CLAIMS [28-01-2020(online)].pdf | 2020-01-28 |
| 5 | Description(Complete) [11-08-2016(online)].pdf | 2016-08-11 |
| 5 | 201631027437-COMPLETE SPECIFICATION [28-01-2020(online)].pdf | 2020-01-28 |
| 6 | Form 18 [30-09-2016(online)].pdf | 2016-09-30 |
| 6 | 201631027437-DRAWING [28-01-2020(online)].pdf | 2020-01-28 |
| 7 | Other Patent Document [09-11-2016(online)].pdf | 2016-11-09 |
| 7 | 201631027437-ENDORSEMENT BY INVENTORS [28-01-2020(online)].pdf | 2020-01-28 |
| 8 | Form 13 [09-11-2016(online)].pdf | 2016-11-09 |
| 8 | 201631027437-FER_SER_REPLY [28-01-2020(online)].pdf | 2020-01-28 |
| 9 | 201631027437-FER.pdf | 2019-07-29 |
| 9 | 201631027437-FORM 3 [28-01-2020(online)].pdf | 2020-01-28 |
| 10 | 201631027437-FORM-26 [28-01-2020(online)].pdf | 2020-01-28 |
| 10 | 201631027437-OTHERS [28-01-2020(online)].pdf | 2020-01-28 |
| 11 | 201631027437-FORM-26 [28-01-2020(online)].pdf | 2020-01-28 |
| 11 | 201631027437-OTHERS [28-01-2020(online)].pdf | 2020-01-28 |
| 12 | 201631027437-FER.pdf | 2019-07-29 |
| 12 | 201631027437-FORM 3 [28-01-2020(online)].pdf | 2020-01-28 |
| 13 | 201631027437-FER_SER_REPLY [28-01-2020(online)].pdf | 2020-01-28 |
| 13 | Form 13 [09-11-2016(online)].pdf | 2016-11-09 |
| 14 | 201631027437-ENDORSEMENT BY INVENTORS [28-01-2020(online)].pdf | 2020-01-28 |
| 14 | Other Patent Document [09-11-2016(online)].pdf | 2016-11-09 |
| 15 | 201631027437-DRAWING [28-01-2020(online)].pdf | 2020-01-28 |
| 15 | Form 18 [30-09-2016(online)].pdf | 2016-09-30 |
| 16 | 201631027437-COMPLETE SPECIFICATION [28-01-2020(online)].pdf | 2020-01-28 |
| 16 | Description(Complete) [11-08-2016(online)].pdf | 2016-08-11 |
| 17 | 201631027437-CLAIMS [28-01-2020(online)].pdf | 2020-01-28 |
| 17 | Drawing [11-08-2016(online)].pdf | 2016-08-11 |
| 18 | Form 20 [11-08-2016(online)].pdf | 2016-08-11 |
| 18 | 201631027437-US(14)-HearingNotice-(HearingDate-16-10-2023).pdf | 2023-09-21 |
| 19 | Form 3 [11-08-2016(online)].pdf | 2016-08-11 |
| 19 | 201631027437-Correspondence to notify the Controller [12-10-2023(online)].pdf | 2023-10-12 |
| 20 | Power of Attorney [11-08-2016(online)].pdf | 2016-08-11 |
| 20 | 201631027437-Correspondence to notify the Controller [16-10-2023(online)].pdf | 2023-10-16 |
Search Strategy
| 1 | 201631027437---form18_10-05-2019.pdf |
| 1 | 201631027437-searchstrategy_10-05-2019.pdf |
| 2 | 201631027437-form1_10-05-2019.pdf |
| 3 | 201631027437---form18_10-05-2019.pdf |
| 3 | 201631027437-searchstrategy_10-05-2019.pdf |