Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-02-28
2000-08-29
Lorin, Francis J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156382, 29 2503, B32B 3100
Patent
active
061103217
ABSTRACT:
An improved process for sealing at least one ultracapacitor which includes a multi-layer structure is disclosed. The process includes the step of applying a substantial vacuum to press together an uppermost layer of the structure and a lowermost layer of the structure and to evacuate ambient gasses, wherein a sealant situated in a peripheral area between the facing surfaces of the layers forms a liquid-impermeable seal for the structure under the vacuum. In some embodiments, a press is used to apply pressure to the peripheral area on which the sealant is disposed. Usually, the ultracapacitor would be situated within an enclosable region of the press, and a collapsible membrane would be fastened over the ultracapacitor to fully enclose the region and transmit the vacuum force to the multi-layer structure. The force applied by the press itself causes the sealant to flow, thereby ensuring a complete seal upon curing of the sealant. This process can be employed to seal one ultracapacitor or a stack of at least two ultracapacitors. Another embodiment of this invention is directed to an apparatus for sealing a multi-layer ultracapacitor, comprising the elements described above.
REFERENCES:
patent: 1583381 (1926-05-01), Zimmerman
patent: 2945976 (1960-07-01), Fridrich et al.
patent: 5069734 (1991-12-01), Kavanaugh et al.
patent: 5400211 (1995-03-01), Evans
patent: 5464453 (1995-11-01), Tong et al.
"Design, Construction, and Testing of a 28-V, 15.5 F Composite Electrode CDL Capacitor", by Stephen A. Merryman, Boyd D. Stephens, and M. Frank Rose, Space Power Institute, Auburn, Univ., AL, pp. 108-111.
Day James
Jerabek Elihu Calvin
Shapiro Andrew Philip
Brown S. Bruce
General Electric Company
Johnson Noreen C.
Lorin Francis J.
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