Global Patent Index - EP 1704975 A2

EP 1704975 A2 20060927 - Ceramic punch of the stamp type

Title (en)

Ceramic punch of the stamp type

Title (de)

Pressstempel zur Prägung von Keramikgegenständen

Title (fr)

Poinçon de presse pour formage dûne surface de pièces en céramique

Publication

EP 1704975 A2 20060927 (EN)

Application

EP 06075328 A 20060210

Priority

IT RE20050033 A 20050325

Abstract (en)

Punch for moulding ceramic tiles, comprising a rigid body (1) provided with an active face (2) suitable for coining the fixing side of the tiles, a first sub-plane (30) formed on said active face (2) of the rigid body (1), a second sub-plane (31) that defines a plurality of projecting ribs (6, 60), a plurality of grooves (4) crossing over one another that cross said second sub-plane (31) forming a lattice and that define coplanar flat areas (5) around said projecting ribs (6, 60), said lattice of grooves (4) making a labyrinth channel that contains an incompressible fluid (10), an elastically flexible perforated plate (7) rested upon said flat areas (5), the openings of which are suitable for slotting onto said projecting ribs (6, 60) with perfect fit, and an elastically deformable membrane (8) firmly fixed to said first sub-plane (30) and to said perforated plate (7), the outer face of said membrane (8) being equipped with a lattice of grooves (9) suitable for forming support feet in the tile.

IPC 8 full level

B28B 3/00 (2006.01)

CPC (source: EP)

B28B 3/003 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1704975 A2 20060927; EP 1704975 A3 20070704; IT RE20050033 A1 20060926

DOCDB simple family (application)

EP 06075328 A 20060210; IT RE20050033 A 20050325