Title of Invention

A SUBMERGED ENTRY NOZZLE (SEN) FOR SUPPLYING LIQUID STEEL FROM TUNDISH TO MOULD.

Abstract The invention relates to an improved submerged entry nozzle (1) for supplying liquid steel (4) from a tundish to a mould. The bottom portion (5) of the submerged entry nozzle (1) is provided with curved surfaces (3) for reducing the turbulence caused at part (2) during change of direction of fluid flow. The curved surfaces (3) are parabolic or near parabolic in shape.
Full Text

Documents:

531-kol-2003-531-kol-2003-granted-abstract.pdf

531-kol-2003-531-kol-2003-granted-claims.pdf

531-kol-2003-531-kol-2003-granted-correspondence.pdf

531-kol-2003-531-kol-2003-granted-description (complete).pdf

531-kol-2003-531-kol-2003-granted-drawings.pdf

531-kol-2003-531-kol-2003-granted-examination report.pdf

531-kol-2003-531-kol-2003-granted-form 1.pdf

531-kol-2003-531-kol-2003-granted-form 13.pdf

531-kol-2003-531-kol-2003-granted-form 18.pdf

531-kol-2003-531-kol-2003-granted-form 2.pdf

531-kol-2003-531-kol-2003-granted-form 26.pdf

531-kol-2003-531-kol-2003-granted-form 3.pdf

531-kol-2003-531-kol-2003-granted-form 5.pdf

531-kol-2003-531-kol-2003-granted-letter patent.pdf

531-kol-2003-531-kol-2003-granted-reply to examination report.pdf

531-kol-2003-531-kol-2003-granted-specification.pdf


Patent Number 219353
Indian Patent Application Number 531/KOL/2003
PG Journal Number 18/2008
Publication Date 02-May-2008
Grant Date 30-Apr-2008
Date of Filing 13-Oct-2003
Name of Patentee TATA STEEL LIMITED
Applicant Address R & D SCIENTIFIC SERVICES DIVISION, JAMSHEDPUR-831 001
Inventors:
# Inventor's Name Inventor's Address
1 R. SAMBASIVAN C/O TATA STEEL LIMITED, R & D SCIENTIFIC SERVICES DIVISION, JAMSHEDPUR 831 001
PCT International Classification Number B 21 D 11/10
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA