Patent ID: 8114241
Filing Date: 2012-02-14
Classification: B29C,B29L,B65B,Y02T,Y10T

Abstract:
1. A method for applying a vacuum bag around a body made of composite material to be polymerized, comprising a fuselage barrel formed by lamination on at least a part of the outer surface of a mandrel having the form of a solid of rotation about a longitudinal axis, the method comprising: a) providing, alongside said surface of the mandrel, a bag material in the form of a sheet with a transverse width corresponding to a longitudinal length of the fuselage barrel, b) fastening or sealing a first transverse end portion of the sheet onto the outer surface of the barrel or the mandrel, c1) rotating the mandrel about said longitudinal axis, to wrap the sheet around the barrel, c2) sealing opposite axial end edges of the sheet on the mandrel while the mandrel rotates about said axis, and d) sealing a second transverse end portion of the sheet on said outer surface of the barrel or the mandrel.