Title of Invention

STEEL AND MOULD TOOL FOR PLASTIC MATERIALS MADE OF TH STEEL

Abstract The invention concerns a steel, particularly a steel for mould tools for plastic moulding, having the following chemical composition in weight-%:0.43 - 0.60 Cfrom traces to 1.5 Sifrom traces to 1.5 (Si+Al)0.1-2.0 Mn3.0-7.0 Cr 1.5-4.0 (Mo+ ), however max. 1.0 W0.30-0.70 Vmax. 0.1 of each of Nb, Ti and Zr max. 2.0 Comax. 2.0 Nibalance essentially only iron and unavoidable impurities. After hardening and high temperature tempering at 520-560°C, the steel has a hardness of 56-58 HRC.
Full Text

Documents:

2766-CHENP-2004 AMENDED CLAIMS 26-08-2010.pdf

2766-CHENP-2004 AMENDED PAGES OF SPECIFICATION 26-08-2010.pdf

2766-CHENP-2004 CORRESPONDENCE OTHERS 15-01-2010.pdf

2766-CHENP-2004 DESCRIPTION (COMPLETE) GRANTED.pdf

2766-CHENP-2004 DRAWINGS.pdf

2766-CHENP-2004 EXAMINATION REPORT REPLY RECIEVED 26-08-2010.pdf

2766-CHENP-2004 FORM-3 26-08-2010.pdf

2766-CHENP-2004 OTHER PATENT DOCUMENT 26-08-2010.pdf

2766-CHENP-2004 POWER OF ATTORNEY 26-08-2010.pdf

2766-CHENP-2004 CORRESPONDENCE OTHERS.pdf

2766-CHENP-2004 CORRESPONDENCE PO.pdf

2766-CHENP-2004 FORM 1.pdf

2766-CHENP-2004 FORM 18.pdf

2766-CHENP-2004 FORM 3.pdf

2766-CHENP-2004 FORM 5.pdf

2766-CHENP-2004 PCT.pdf


Patent Number 242978
Indian Patent Application Number 2766/CHENP/2004
PG Journal Number 40/2010
Publication Date 01-Oct-2010
Grant Date 22-Sep-2010
Date of Filing 08-Dec-2004
Name of Patentee UDDEHOLM TOOLING AKTIEBOLAG
Applicant Address SE-683 85, Hagfors Sweden.
Inventors:
# Inventor's Name Inventor's Address
1 SANDBERG ODD Strandvagen 28 SE-683 40 Uddeholm Sweden.
PCT International Classification Number C22C38/24
PCT International Application Number PCT/SE03/00728
PCT International Filing date 2003-05-07
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 0201800-0 2002-06-13 Sweden
2 0300215-1 2003-01-30 Sweden