Global Patent Index - EP 4117899 A1

EP 4117899 A1 20230118 - LINING ELEMENT OF A CURING MOULD FOR A TYRE COMPRISING SIPE BLADES

Title (en)

LINING ELEMENT OF A CURING MOULD FOR A TYRE COMPRISING SIPE BLADES

Title (de)

AUSKLEIDUNGSELEMENT EINER VULKANISIERFORM FÜR EINEN REIFEN MIT LAMELLEN

Title (fr)

ÉLÉMENT DE GARNITURE DE MOULE DE CUISSON POUR PNEUMATIQUE COMPRENANT DES LAMELLES

Publication

EP 4117899 A1 20230118 (FR)

Application

EP 21717138 A 20210308

Priority

  • FR 2002358 A 20200310
  • FR 2021050383 W 20210308

Abstract (en)

[origin: WO2021181036A1] Lining element (16) of a curing mould (10) for a tyre, forming a moulding surface (14), the moulding surface comprising recessed and protruding patterns, at least one first protruding pattern (30) being formed by a first sipe blade (32) with a fork-shaped section (34), and at least one second protruding pattern (36) being formed by a second sipe blade (38), and a bulge (40) extending along a contour (42) radially on the inside of the second sipe blade, at least one recessed pattern which is substantially in the form of a parallelepiped being delimited by at least one first protruding pattern (30) and a pair of second protruding patterns (36), wherein the first protruding pattern intersects, at each end thereof, a second protruding pattern.

IPC 8 full level

B29D 30/06 (2006.01); B29L 30/00 (2006.01)

CPC (source: EP US)

B29D 30/0606 (2013.01 - EP US); B29D 2030/0613 (2013.01 - EP US); B29L 2030/002 (2013.01 - EP)

Citation (search report)

See references of WO 2021181036A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3108059 A1 20210917; FR 3108059 B1 20230714; CN 115279577 A 20221101; EP 4117899 A1 20230118; US 2023166468 A1 20230601; WO 2021181036 A1 20210916

DOCDB simple family (application)

FR 2002358 A 20200310; CN 202180020432 A 20210308; EP 21717138 A 20210308; FR 2021050383 W 20210308; US 202117910666 A 20210308