Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1996-07-22
1998-10-20
Pollard, Steven M.
Metal working
Method of mechanical manufacture
Assembling or joining
220586, 156172, 21912114, B65H 8100, F17C 102, B23K 1500
Patent
active
058228381
ABSTRACT:
An innovative technology for composite overwrapped pressure vessels (COPVs) has been developed which significantly increases cost effectiveness, increases reliability, and reduces weight over state-of-the-art COPVs. This technology combines an innovative thin liner made of a metal having a high modulus of elasticity and a high ductility, a high-performance composite overwrap and a high-performance film adhesive at the overwrap/liner interface. The metal liner can be fabricated from readily available titanium alloy sheet and plate using a combination of spin forming and machining to fabricate components and electron-beam welding for tank assembly. The composite overwrap is filament-wound onto an adhesive-covered titanium liner and the overwrap and adhesive are co-cured in an oven to yield an integrated tank structure.
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Elfer Norman C.
Seal Ellis C.
Lockheed Martin Corporation
Pollard Steven M.
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