Specifications

The Patent Office Journal 17/12/2010
4586
(12) PATENT APPLICATION PUBLICATION (21) Application No.3969/CHENP/2010 A
(19) INDIA
(22) Date of filing of Application :25/06/2010 (43) Publication Date : 17/12/2010
(54) Title of the invention : PROCESS OF THERMAL TREATMENT OF RAILS AND DEVICE THEREOF
(51) International classification :C21D1/63
(31) Priority Document No :MI2007A002244
(32) Priority Date :28/11/2007
(33) Name of priority country :Italy
(86) International Application No
Filing Date
:PCT/EP08/066426
:28/11/2008
(87) International Publication No
:WO 2009/068644
A1
(61) Patent of Addition to Application Number
Filing Date
:NA
:NA
(62) Divisional to Application Number
Filing Date
:NA
:NA
(71)Name of Applicant :
1)DANIELI & C. OFFICINE MECCANICHE S.P.A.
Address of Applicant :VIA NAZIONALE 41, I-33042,
BUTTRIO Italy
(72)Name of Inventor :
1)POLONI, ALFREDO
2)KAPAJ, NUREDIN
3)DE LUCA, ANDREA
4)BAZZARO, GIANLUCA
(57) Abstract :
Process for the in-line thermal treatment of rolled rails which ensures to obtain a fine peralitic structure which is uniform through a
whole predetermined superficial thickness of the rail head. There is also disclosed a new device for the thermal treatment of rails in-
line with a rolling system which, as compared to the known devices, is structurally much simpler, has a high strudiness and requires
less maintenance.
No. of Pages : 25 No. of Claims : 15