Global Patent Index - EP 1052041 A2

EP 1052041 A2 2000-11-15 - Mould with pressurized feeder chamber

Title (en)

Mould with pressurized feeder chamber

Title (de)

Giessform mit druckbeaufschlagbarer Speiserkammer

Title (fr)

Moule avec masselotte sous pression

Publication

EP 1052041 A2 (DE)

Application

EP 00109888 A

Priority

DE 19922534 A

Abstract (en)

Foundry sand mold (1) has a gas pressurized feeder chamber (5) with a wall sealed against gas dissipation into the sand. Preferred Features: Sealing is provided by an inverted sealing cup (8) of deep drawn metal foil.

Abstract (de)

Die Erfindung betrifft eine Gießform mit einer von Formsand umgebenen, zur Beaufschlagung mit Druckgas vorgesehenen Speiserkammer (5). Erfindungsgemäß ist wenigstens ein mit dem Druckgas in Kontakt kommender Wandteil der Speiserkammer (5) gegen Entweichen von Druckgas in den Formsand abgedichtet. Vorzugsweise ist die Speiserkammer (5) in der Art verbundener Gefäße an den Formhohlraum (2) der Gießform (1) angeschlossen und ein die Speiserkammer (5) nach oben hutartig begrenzendes Dichtelement (8) vorgesehen. <IMAGE>

IPC 8 full level (invention and additional information)

B22C 3/00 (2006.01); B22C 9/08 (2006.01)

CPC (invention and additional information)

B22C 3/00 (2013.01); B22C 9/08 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1052041 A2 20001115; EP 1052041 A3 20031217; DE 19922534 A1 20001116

INPADOC legal status


2005-03-16 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040618

2004-10-14 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2004-09-08 [AKX] PAYMENT OF DESIGNATION FEES

2003-12-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2003-12-17 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL LT LV MK RO SI

2003-12-17 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7B 22C 3/00 A

2003-12-17 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7B 22C 9/08 B

2003-12-17 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7B 22D 27/13 B

2002-09-04 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: VAW ALUCAST GMBH

2002-09-04 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: DISA INDUSTRIES A/S

2000-12-20 [RIN1] INVENTOR (CORRECTION)

- Inventor name: BARSCHKETT, DIRK

2000-12-20 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LELLIG, KLAUS DR.

2000-11-29 [RIN1] INVENTOR (CORRECTION)

- Inventor name: BARSCHKETT, DIRK

2000-11-29 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LELLIG, KLAUS DR.

2000-11-15 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-11-15 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI