Global Patent Index - EP 1090724 A1

EP 1090724 A1 2001-04-11 - Method of making a hollow building block

Title (en)

Method of making a hollow building block

Title (de)

Verfahren zum Herstellen eines Hohlbausteines

Title (fr)

Procédé pour la fabrication d'un bloc de construction creux

Publication

EP 1090724 A1 (EN)

Application

EP 99119915 A

Priority

EP 99119915 A

Abstract (en)

A method of making a hollow building block has a step of suspending a thermoplastic resin foam (1) in a mold (2), a step of filling concrete (3) in the mold (2), a step of solidifying the concrete (3), a step of heating the mold (2) under a high pressure and a high temperature to form a polycondensate therein, and a step of forming a hollow building block having a closed hollow interior. <IMAGE>

IPC 1-7 (main, further and additional classification)

B28B 7/34

IPC 8 full level (invention and additional information)

B28B 7/34 (2006.01)

CPC (invention and additional information)

B28B 7/342 (2013.01)

Citation (search report)

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 1090724 A1 20010411

INPADOC legal status


2002-08-14 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011012

2002-02-28 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2002-01-02 [AKX] PAYMENT OF DESIGNATION FEES

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2001-04-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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