EP 0813922 A1 19971229 - Vacuum die-casting machine and method

Title (en)

Vacuum die-casting machine and method

Title (de)

Verfahren und Vorrichtung zum Vakuumdruckgiessen

Title (fr)

Procédé et dispositif de coulée sous pression sous vide

Publication

EP 0813922 A1 19971229 (EN)

Application

EP 97109129 A 19900306

Priority

EP 90905277 A 19900306
US 32014089 A 19890307

Abstract (en)

This invention concerns an improved vacuum die-casting machine especially for high pressure die-casting processes. It comprises die machine section (2), fill chamber (10) communicating with said die section, inlet opening (60) adjacent to the fill chamber, piston (4), piston rods (21), piston rod seals (98), pressure control means (108) and enclosure means extending from fill chamber, forming an air tight enclosure behind said piston. <IMAGE>

IPC 1-7

B22D 17/14; B22D 17/20; B22D 41/50; B22D 17/30; B22D 17/32

IPC 8 full level

B22D 17/14 (2006.01); B22D 17/20 (2006.01); B22D 17/30 (2006.01); B22D 17/32 (2006.01); B22D 41/50 (2006.01); C22B 21/06 (2006.01); C22C 21/04 (2006.01)

CPC (source: EP KR)

B22D 17/14 (2013.01 - EP); B22D 17/2007 (2013.01 - EP); B22D 17/2015 (2013.01 - EP); B22D 17/30 (2013.01 - EP); B22D 17/32 (2013.01 - EP); B22D 18/00 (2013.01 - KR); B22D 41/50 (2013.01 - EP); C22B 21/06 (2013.01 - EP); C22C 21/04 (2013.01 - EP)

Citation (search report)

[DA] US 4476911 A 19841016 - LOSSACK EDGAR [DE], et al
[DA] US 2864140 A 19581216 - MORGENSTERN DAVID M
[A] DE 2641116 A1 19780330 - REIS WALTER
[A] US 4534403 A 19850813 - HARVILL JOHN I [US]

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0814171 A1 19971229; EP 0814171 B1 20021204; AT E174828 T1 19990115; AT E202305 T1 20010715; AT E229090 T1 20021215; BR 9007214 A 19920324; DE 69032853 D1 19990204; DE 69032853 T2 19990722; DE 69033755 D1 20010726; DE 69033755 T2 20020529; DE 69034025 D1 20030116; DE 69034025 T2 20030724; EP 0813922 A1 19971229; EP 0813922 B1 20010620; ES 2125221 T3 19990301; ES 2158405 T3 20010901; ES 2184006 T3 20030401; KR 100187514 B1 19990401; KR 920700809 A 19920810

DOCDB simple family (application)

EP 97109128 A 19900306; AT 90905277 T 19900306; AT 97109128 T 19900306; AT 97109129 T 19900306; BR 9007214 A 19900306; DE 69032853 T 19900306; DE 69033755 T 19900306; DE 69034025 T 19900306; EP 97109129 A 19900306; ES 90905277 T 19900306; ES 97109128 T 19900306; ES 97109129 T 19900306; KR 910701081 A 19910907