Patent ID: 6468372
Filing Date: 2002-10-22
Classification: B29C,B29L,B64F

Abstract:
Method for on-site repair of a composite structure with a damaged zone, said method comprising the following stages:machining a concave recess in the damaged zone in a surface of the structure; setting a non-polymerized composite part in the recess, the shape of said composite part matching that of the recess; polymerizing the said composite part in situ using a vacuum created inside a bladder that is connected around the composite part to form a leaktight seal with said surface of the composite structure after means for increasing the pressure applied to the composite part have been interposed between the part and the bladder; heating the composite part; and interposing a stack of plates between the bladder and composite part, wherein the a plate proximate to the bladder has a surface area greater than a surface area of a plate proximate to the composite part.