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Patent Details

Applicant:
Indian Institute of Technology (IIT) Roorkee 
Title:
System protected gas metal arc welding torch nozzle for ultra narrow gap welding of thick section 
Inventor(s):
P. K. Ghosh and Ramkishor 
Applicant:
Indian Institute of Technology (IIT) Roorkee 
Application type:
Applied - 2016-09-30 
Application Number:
201611033570 
Applied at:
India 
Entered by:
Indian Institute of Technology (IIT) Roorkee 
Abstract:
The proposed application makes a disclosure regarding gas metal arc welding torch head for ultra narrow gap welding of thick section having at least thickness of 25mm. According to the inventive concept of the invention, the torch head has been designed without the longitudinal side walls. So that the same can be inserted inside the narrowest possible weld groove. This also avoids burning of the side wall of said torch head being close to the electrode tip. Thus, the present invention introduces best alternative to the general approach of increase in wall thickness of the copper nozzle to avoid burning thereof as it consequently enhances the width of the nozzle head. Increase of nozzle head width is not compatible to the objective of exploring GMAW with narrowest possible groove width in case of thick section butt welding.  

 
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It has always been the basic tenet of the Government of India, in generously funding R&D efforts at academic institutions over the years, that facilities established through such support be made available to those needing them and qualified to make use of them for their own research work
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However, this was never easy or straightforward for, among other reasons, there was no ready source of information of what facility was available and where. Thanks to the Web, it is much easier today to have a national and regional “inventory of resources”, so as to match users with the resources they need, and to do all this in an efficient and transparent manner.

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