Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2007-06-12
2007-06-12
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S464000, C029S559000, C156S285000, C156S286000, C156S382000, C156S425000, C264S102000, C264S571000, C244S119000, C244S120000
Reexamination Certificate
active
10717030
ABSTRACT:
A method of transferring an uncured composite laminate skin from a lay-up surface of a male mandrel tool to a female cure tool includes defining multiple vacuum zones on the lay-up surface, each zone corresponding to one of a multiple of portions into which the skin is to be separated. For example, to separate the skin into two portions, a low profile seal of a first membrane to the lay-up surface is formed at a first vacuum zone and a second low profile seal for a second membrane is formed at a second vacuum zone. The method further includes laying up a composite laminate skin over all the vacuum zones; separating the composite laminate skin into portions, for example, a first portion over the first vacuum zone and a second portion over the second vacuum zone; and releasing the portions individually into cure tools having an outside mold line surface.
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International Search Report, Mar. 17, 2005.
Anderson Donald A.
Johnson Brice A.
Spoon Stephen S.
Ingrassia Fisher & Lorenz P.C.
Omgba Essama
The Boeing Company
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