Metal working – Method of mechanical manufacture – Rocket or jet device making
Reexamination Certificate
2005-06-21
2005-06-21
Jimenez, Marc (Department: 3726)
Metal working
Method of mechanical manufacture
Rocket or jet device making
C029S557000, C219S121630, C060S267000, C060S770000
Reexamination Certificate
active
06907662
ABSTRACT:
Methods for manufacturing outlet nozzles for use in rocket motors are disclosed. The methods include providing an inner wall, positioning an outer wall around the inner wall, positioning spacers in the space between the inner and outer walls, and laser welding between the spacers and at least one of the inner and outer walls in order to form cooling ducts between the spacers and to provide T-shaped joints between the spacers and at least one of the inner and outer walls, the T-shaped joints including a rounded shape within the cooling ducts.
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Jimenez Marc
Lerner David Littenberg Krumholz & Mentlik LLP
Volvo Aero Corporation
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