Company Information

CIN
Status
Date of Incorporation
11 January 1994
State / ROC
Kolkata / ROC Kolkata
Industry
construction nec
Sub Category
Non-govt company
Last Balance Sheet
Last Annual Meeting
Paid Up Capital
238,555,100
Authorised Capital
240,000,000

Patents

"Device For Separating Atmospheres"

The invention relates to a device for separating atmospheres installed between two chambers (Ca, Cb) of a continuous line for treating metal strips, said chambers having different types of atmospheres, in order to prevent the atmosphere of a first upstream chamber (Ca) from entering into a second downstream chamber ...

Method For Scheduling The Operation Of Energy Distribution Devices, And Installation Implementing Same

The invention relates to a method for optimizing the supply of energy over a time interval / of duration D to an installation equipped with N energy distribution devices operating in all or nothing mode and by duration modulation an operation duration Ai being allocated to each of the N energy distribution devices o...

Process And Device For Producing A Structure On One Of The Faces Of A Glass Ribbon

Process for producing a structure on one of the feces of a glass ribbon, carried out continuously using a printing in which: the printing device (8) is placed in a zone (A) in which the ribbon (B) is at an average temperature T1 insufficient for printing the pattern of the printing device onto the ribbon according t...

Unit And Process For Treating The Surface Of Flat Glass With Thermal Conditioning Of The Glass

Unit for the surface treatment of flat glass, in particular in the form of a ribbon or a sheet, especially by modifying the chemical, optical or mechanical properties, or the deposition of one or more thin films, comprising heating and cooling means ; for creating a controlled temperature graent through the thicknes...

Burner For An Oven For Reheating Siderurlogical Products Or For A Heat Treatment Oven

Burner for an oven for reheating siderurlogical products such as billets blooms or slabs or for heat treatment oven which is equipped with a fuel injection device and with an oxidant feed body feeding feed orifices with oxidant (8) and (9) the burner having an axial direction; the injection device is designed to...

Device And Method For Determining The Loss On Ignition Of At Least Part Of An Iron And Steel Product

The invention relates to a method and device for determining the loss on ignition of at least part of an iron and steel product (5) referred to as the "product" during the passage of said product through a heating furnace (4) located upstream of a descaler (8). The product preferably moves on roller tables (3 6). Sa...

Method For Continuous Printing Of Precision Structures On A Glass Ribbon, And Glass Ribbon Thus Obtained

A method for printing a precision structure on the surface of a glass strip advancing continuously at a rate of at least 1 m/min, using an etching roller (27) applying a printing force against the surface to be etched, the structure to be produced including protruding and recessed regions which have radii of curvatu...

"Method For Correcting The Combustion Settings Of A Set Of Combustion Chamers And Apparatus Implmenting The Method"

the invention relates to a method for real-time, continous adjustment of a set of thermal combustion chambers (2, 2i) having similar characteristics supplied by the same combustive agent (8) and fuel (9) networks, according to which one of the chambers (2i) is used as a reference chamber, combustion parameters are m...

"Device For Limiting The Exhausting Of Combustion Flue Gases At The Inlet Of A Furnace For Reheating Steel Products"

The invention relates to a device for limiting the combustion fume exhaust towards the outside of a continuous furnace, especially a tunnel furnace, for reheating iron and steel products, especially slabs, at the opening located at the entrance of the furnace. The first row of burners consists of at least two burner...

"Method Of Reheating In A Furnace Using A Fuel Of Low Calorific Power, And Furnace Using This Method"

Method of controlling a furnace (1) for reheating steel products, such as slabs, blooms, slugs or billets, capable of reheating the product to the desired temperature for rolling, the furnace being equipped with a heat recovery unit (A). The furnace is equipped principally with regenerative-type burners comprising r...

“ Improvement Made To The Rapid Heating Sections Of Continuous Heat Treatment Lines”

Method of reducing the formation of heat-induced folds on metal strips (1) exposed to rapid heating in continuous heat-treatment lines, in which lines said strips are caused to pass through heating sections (2) comprising successive and separate heating means (5; 5a; 5b; 5c; 5d), wherein the average slope of the inc...

“ Device For Securing A Furnace Provided With A Rapid Cooling And Heating System Operating Under Controlled Atmosphere”

A device enabling limitation of the risk of formation of an explosive atmosphere in the furnace of a continuous heat treatment line of metal strips the sections of which are under an atmosphere consisting of a mixture of inert gas and hydrogen the hydrogen volume content of which is between 5 and 100%, provided with...

"Method And Device For Cooling And Stabilizing Strip In Continuous Line"

The invention concerns a method for cooling metal strips using cooling chambers by blowing a gas, in a continuous heat treatment line, wherein: the chambers (4,4a...4', 4'a...) have a unitary dimension (h) in the moving direction (X) of the strip less than two meters and are split along the direction perpendicular t...

“Installation For Producing Flat Glass, Comprising A Stress Measuring Device, And Method For Operating A Flat Glass Annealing Lehr”

The invention relates to an installation for producing flat glass, comprising a melting and refining furnace followed by a device for forming a flat glass ribbon and a lehr (K). The inventive installation comprises a device (G) for the non-contact measurement of the stresses in the glass ribbon on the production lin...

"Recuperator For A Radiating Tube Burner"

The invention relates to a heat recuperator (R) for a radiating tube burner having a burner pipe and an exhaust pipe (1), the recuperator being placed at the outlet of the exhaust pipe (1) and including a heat exchanger (E) that comprises: an outgoing section (5) for directing the air to be preheated to a ferrule (6...

"A Method For Controlling The Cooling Of A Vertically Moving Metal Strip In Cooling Section"

The invention relates to a method for monitoring the cooling of a moving metal belt (B) in a cooling section of a continuous processing line by spraying a liquid or a mixture consisting of a gas and a liquid onto the belt, the cooling depending on parameters including the temperature, speed, and current characterist...

"Installation For Measuring The Temperature Of The Ribbon In A Flat Glass Annealing Lehr., And Method For Operating A Lehr"

The invention relates to an installation for the continuous raeaswement of the surface temperature of a glass ribbon (G) in a flat glass lehr. Said installation comprises two sub-sets (Dl, D2) which are respectively arranged either side of the glass ribbon (G), each sub-set (Dl, D2) being flush with the surface of t...

"Device For Controlling Regenerative Burners"

1. A device for controlling regenerative burners used as firing equipment, particularly for furnaces to reheat steel making products or radiant tubes for lines for the continuous treatment of steel strip, characterized in that at least one of the fluids involved in combustion (the fuel and the oxidant) is supplied u...

Glass Furnace In Particular For Clear Or Ultra Clear Glass With Lateral Secondary Recirculations

Glass furnace for heating and melting materials to be vitrified, in which furnace two molten glass recirculation loops are formed in the bath between a hotter central zone of the furnace and, respectively, the inlet (E) and the outlet (Y) which are at a lower temperature; the furnace comprises lateral cooling mea...

Device And Method For Controlling A Reheating Furnace

Method for controlling a furnace (4) for reheating steel products (5), comprising: forming an infrared image, using an infrared camera (20), of an upper face of a product (5) over the width and at least partially over the length thereof when the product is arranged on a predetermined furnace discharging surface; dig...

Method And Facility For Recovering Thermal Energy On A Furnace With Tubular Side Members And For Converting Same Into Electricity By Means Of A Turbine Producing The Electricity By Implementing A Rankine Cycle

Method and facility for recovering energy installed on a heating furnace (2) with tubular side members and fitted with burners comprising a turbine (14) producing electricity by implementing a Rankine cycle on an organic fluid (21) using heat coming in part from the fluid used for cooling the tubular side members by...

Walking Beam Furnace For Continuously Discharging And Shredding Scale

Walking beam furnace comprising movable (10C) and stationary andirons which are supported by movable (12Q) and stationary keels, respectively, and drive means designed to move a lifting frame (2) and a translation frame (3) according to a rectangular displacement cycle having two vertical positions and an intermedia...

Method And Device For Rapidly Cooling A Metal Strip And Continuous Production Line For Metal Strips

The invention relates to a device and method for rapidly cooling metal strips on a continuous production line, the invention being arranged so as to cool the strip as it travels by spraying a liquid, or a mixture of a gas and a liquid, thereon by means of nozzles (21) arranged on spraying units (3, 4), the invention...

Trademarks

Dagal

[Class : 9] Galvanizing Plants Included In Class 9.

Dagal

[Class : 11] Industrial Thermal Treatment Furnaces, Parts And Fittings Thereof.

Flash Cooling

[Class : 11] Rapid Cooling Apparatus Installed In A Kiln For Continuous Processing Or Coating Of Steel Coils.

Crisp

[Class : 7] Machines And Installations For The Mechanical, Thermal And/Or Chemcial Treatment Of Mechanical Parts, Particularly For The Automotive Industry, Parts And Fittings Therefor.

Indugal

[Class : 11] Induction Frunaces.

Bap H2

[Class : 7] Machines And Installations For The Mechanical, Thermal And/Or Chemical Treatments Of Mechanical Parts Particularly For The Automobile Industry.

Digit@I Furnace

[Class : 11] Equipment In The Heavy Metallurgy Namely A Furnace For The Reheating Of Products.