Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Reexamination Certificate
2011-06-28
2011-06-28
Johnson, Christina (Department: 1742)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
C425SDIG060, C264S241000, C264S553000, C264S554000, C264S571000, C521S142000
Reexamination Certificate
active
07967596
ABSTRACT:
The present invention relates to a system to manufacture composite material parts comprising a supporting mandrel having at least one compacting zone configured to contain at least one composite material element to be compacted by applying a certain degree of vacuum. The system comprises also at least one compacting equipment comprising a frame having a plurality of interconnected arms along a predetermined perimeter, at least one vacuum bag attached to a side of the frame along its perimeter and configured to compact the element, at least one porous material attached to the vacuum bag along the frame's perimeter and configured to adhere in a removable way to the compacting zone and to impede the air influx during the compacting of element. The invention also relates to a compacting equipment and to a method to manufacture composite material parts.
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Alenia Aeronautica S.p.A.
Johnson Christina
Schiffman Benjamin
Sughrue & Mion, PLLC
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