Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Measuring – testing – or inspecting
Patent
1997-07-17
1998-12-15
Fiorilla, Christopher A.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Measuring, testing, or inspecting
264413, 264449, 264450, 264451, H01B 120, B29C 3900, B29C 3502
Patent
active
058492399
ABSTRACT:
A new class of programmable electroset compositions in an uncured state consist of both a dielectric phase changing vehicle that is a fluid and an electrically conductive additive which is also a fluid. Compositions of the present invention are programmably responsive to electric energy input during cure such that the final, cured end-product properties are altered by at least 5% from those that would be obtained without such electric energy input. The programmably alterable properties include density, hardness and bouyancy. A new method wherein the extent of curing of the compositions is monitored requires the monitoring of both the input voltage and input current during electrosetting of the composition.
REFERENCES:
patent: 5194181 (1993-03-01), Reitz
patent: 5232639 (1993-08-01), Reitz et al.
patent: 5518664 (1996-05-01), Reitz
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