Patent ID: 11865796
Assignee: SAFRAN AIRCRAFT ENGINES
Field: Other special machines (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 0:
1. A mold for manufacturing a turbomachine fan casing made of composite material, comprising:
a mandrel with a main axis around which a fibrous preform of a fan casing is intended to be wound;
a plurality of counter-mold angular sectors assembled on an outer contour of the mandrel which are intended to close the mold and to compact the fibrous preform wound on the mandrel;, wherein a flat seal with a main elongation axis directed along the main axis is arranged between each counter-mold angular sector, said flat seal being compressed between two adjacent counter-mold angular sectors, a first counter-mold angular sector comprising a sealing portion passing below a lower face of the flat seal while a second counter-mold angular sector comprising a sealing portion passing above an upper face of the flat seal, wherein the mandrel comprises an upstream flange and a downstream flange, a first annular seal being arranged around the upstream flange, and a second annular seal being arranged around the downstream flange, the lower face of the flat seal overlapping the first annular seal and the second annular seal.