Patent ID: 7140854
Filing Date: 2006-11-28
Classification: B29C,B29L,B32B,Y10T

Abstract:
1. Apparatus for repairing a flaw in a surface in a repair operation, which apparatus comprises: a housing adapted to engage the surface including a housing seal for sealing between the housing and the surface to define a first space, a repair seal located on the housing within the first space for sealing throughout the repair operation between the housing and around the flaw to be repaired to define between the surface and the housing a second repair space over the flaw, first vacuum means communicating simultaneously with the first space and the second repair space for applying a partial vacuum to the first space and the second repair space after commencement of the repair operation during a first repair stage, second vacuum means for applying an enhanced vacuum to the second repair space during a second repair stage, and a reservoir for supplying repair liquid to the second repair space.