EP 0616862 A1 19940928 - A process for manufacturing radiator elements for central heating plants.
Title (en)
A process for manufacturing radiator elements for central heating plants.
Title (de)
Verfahren zur Herstellung von Heizkörperelementen für Zentralheizungsanlagen.
Title (fr)
Procédé pour la fabrication des éléments de chauffage pour les installations de chauffage central.
Publication
Application
Priority
IT MO930043 A 19930326
Abstract (en)
The invention relates to a process for manufacturing radiator elements for central heating plants, comprising a deep-drawing phase in which a half-shell (1) is formed, provided with a cylindrical element (9) coaxial to a through-hole (8) and a thread-making phase of the internal surface of the said cylindrical element (9). <IMAGE>
IPC 1-7
IPC 8 full level
B21D 53/02 (2006.01)
CPC (source: EP)
B21D 53/02 (2013.01)
Citation (search report)
- [Y] DE 1132082 C
- [Y] US 2021960 A 19351126 - KRAMER ANDREW A
- [A] US 3693568 A 19720926 - MCKEE FRANCIS G, et al
- [A] GB 1007886 A 19651022 - SILVIO SALA, et al
- [A] US 4109501 A 19780829 - KOZIMA TOYOO
Designated contracting state (EPC)
AT BE CH DE FR GB LI NL
DOCDB simple family (publication)
EP 0616862 A1 19940928; EP 0616862 B1 19980429; AT E165538 T1 19980515; DE 69318284 D1 19980604; DE 69318284 T2 19981105; IT 1263530 B 19960805; IT MO930043 A0 19930326; IT MO930043 A1 19940926
DOCDB simple family (application)
EP 93830392 A 19930927; AT 93830392 T 19930927; DE 69318284 T 19930927; IT MO930043 A 19930326