EP 0060349 B1 19860528 - FEEDER HEAD FOR CASTINGS
Title (en)
FEEDER HEAD FOR CASTINGS
Publication
Application
Priority
DE 3110534 A 19810318
Abstract (en)
[origin: EP0060349A2] 1. Feeder for castings (1), in particular of cast-iron with a body (3) of an exothermic heating material comprising a cylindrical cavity (5), which material keeps the substance located in the feeder molten until the completion of the shrinkage of the casting material through the region of the casting to be fed, in which case the feeder volume corresponds to the quantity of the shrinkage volume plus the maximum safety amount of 30% of the shrinkage volume, characterised in that the cylindrical cavity (5) is open towards the outside on its upper side and that located in this cavity (5) is a float (9) adapted to its cross section and able to move with respect to the body (3) of exothermic heating material, which float likewise consists of an exothermic heating material.
IPC 1-7
IPC 8 full level
B22C 9/08 (2006.01); B22D 35/04 (2006.01)
CPC (source: EP)
B22C 9/08 (2013.01); B22C 9/088 (2013.01)
Designated contracting state (EPC)
AT CH FR GB IT LI
DOCDB simple family (publication)
EP 0060349 A2 19820922; EP 0060349 A3 19840725; EP 0060349 B1 19860528; AT E19972 T1 19860615; DE 3110534 A1 19821028; DE 3110534 C2 19860417
DOCDB simple family (application)
EP 81110682 A 19811222; AT 81110682 T 19811222; DE 3110534 A 19810318