EP 1094908 A1 20010502 - METHOD FOR THE PRODUCTION OF A STEEL CAMSHAFT AND CAMSHAFT PRODUCED ACCORDING TO SAID METHOD
Title (en)
METHOD FOR THE PRODUCTION OF A STEEL CAMSHAFT AND CAMSHAFT PRODUCED ACCORDING TO SAID METHOD
Title (de)
VERFAHREN ZUR HERSTELLUNG EINER NOCKENWELLE AUS STAHL UND NACH DIESEM VERFAHREN HERGESTELLTE NOCKENWELLE
Title (fr)
PROCEDE POUR PRODUIRE UN ARBRE A CAMES EN ACIER, ET ARBRE A CAMES AINSI PRODUIT
Publication
Application
Priority
- DE 9902244 W 19990721
- DE 19833594 A 19980725
Abstract (en)
[origin: DE19833594A1] A cast steel camshaft, having an especially profiled cylindrical internal cavity and produced by a conventional lost foam casting technique, is new. An Independent claim is also included for producing the above camshaft by bottom pouring method using an upright sand mold (1) having, over its height, runners (3) extending from a sprue (2) which is parallel to the upright mold.
IPC 1-7
IPC 8 full level
B22C 7/02 (2006.01); B22C 9/04 (2006.01); F02F 7/00 (2006.01)
CPC (source: EP US)
B22C 7/026 (2013.01 - EP US); B22C 9/046 (2013.01 - EP US); F02F 7/00 (2013.01 - EP US); F02F 2200/08 (2013.01 - EP US)
Citation (search report)
See references of WO 0006320A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DE 19833594 A1 20000127; BR 9912441 A 20010417; DE 19981402 D2 20010712; DE 59912583 D1 20060202; EP 1094908 A1 20010502; EP 1094908 B1 20050921; US 6478074 B1 20021112; WO 0006320 A1 20000210
DOCDB simple family (application)
DE 19833594 A 19980725; BR 9912441 A 19990721; DE 19981402 T 19990721; DE 59912583 T 19990721; DE 9902244 W 19990721; EP 99947245 A 19990721; US 74400701 A 20010316