Global Patent Index - EP 1242234 A1

EP 1242234 A1 2002-09-25 - COMPRESSING DEVICE FOR PERFORMING COMPRESSION OPERATIONS ON SHAPED BODIES MADE OF GRAINY MATERIALS

Title (en)

COMPRESSING DEVICE FOR PERFORMING COMPRESSION OPERATIONS ON SHAPED BODIES MADE OF GRAINY MATERIALS

Title (de)

VERDICHTUNGSEINRICHTUNG ZUR DURCHFÜHRUNG VON VERDICHTUNGSVORGÄNGEN AN FORMKÖRPERN AUS KORNFÖRMIGEN STOFFEN

Title (fr)

DISPOSITIF DE COMPRESSION POUR EFFECTUER DES OPERATIONS DE COMPRESSION SUR DES CORPS MOULES A BASE DE MATIERES GRANULEUSES

Publication

EP 1242234 A1 (DE)

Application

EP 00990584 A

Priority

  • DE 0004632 W
  • DE 19962887 A
  • DE 10039028 A

Abstract (en)

[origin: WO0147698A1] The invention relates to a compressing device for performing compression operations on shaped bodies made of grainy materials. The grainy materials, e.g. wet concrete mortar, are formed into shaped bodies in the mold recesses (106) of the mold boxes by applying vibrations and compression pressure. The invention aims at providing a low-noise low-energy consuming compressing device. In order to achieve a low-noise compression operation, said mold box (106) and vibrating table (124) are rigidly clamped together and harmonic vibrating operation of the vibrating mass-spring-system is ensured. Reduced energy use and effective compression is promoted by applying a vibrating frequency, said frequency being at least partially in the range of the resonance frequency of the mass-spring system. The invention also relates to improvements, more particularly with respect to the design of the exciter actuator and the arrangement thereof in the flow of forces involved. The device is used in concrete machines, foundry-casting machines and sinter-casting machines.

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

B30B 11/02; B28B 3/02

IPC 8 full level (invention and additional information)

B06B 1/18 (2006.01); B28B 3/02 (2006.01); B30B 11/02 (2006.01)

CPC (invention and additional information)

B28B 3/022 (2013.01); B06B 1/183 (2013.01); B30B 11/022 (2013.01)

Citation (search report)

See references of WO 0147698A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 0147698 A1 20010705; AT 251544 T 20031015; CA 2396499 A1 20010705; DK 1242234 T3 20040216; EP 1242234 A1 20020925; EP 1242234 B1 20031008; ES 2208464 T3 20040616

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