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US 2014/0283977 A1Published application
Impregnation clamping mandrel for making gas turbine casings made of composite material
AssigneeSnecma
InventorsRichard Mathon, Olivier Patrigeon
Life of this patent
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Abstract
An impregnation mandrel for production of gas turbine casings made from composite material, the mandrel including: an annular wall with a profile of an outer surface that corresponds to that of an internal surface of the casing to be produced; two side plates, with profiles that correspond to those of external casing flanges to be produced; and a removable device for clamping a layer having a fibrous texture, which is wound around the mandrel.
Claims9
1-8. (canceled)
An impregnation mandrel for making gas turbine casings made of composite material, the mandrel comprising:
- an annular wall with a profile of an external surface that corresponds to that of an internal surface of the casing to be made;
- two lateral flanges with profiles that correspond to those of external flanges of the casing to be made;
- a removable clamping device of a layer of fibrous texture wound on the mandrel;
- and
- a removable plate configured to be positioned in a corresponding recess made through the annular wall of the mandrel.
2 more elements
Dependencies are inferred from the claim text.