Coating processes – Electrical product produced – Carbon coating
Patent
1994-07-26
1996-03-12
Pianalto, Bernard
Coating processes
Electrical product produced
Carbon coating
156 84, 156219, 156227, 156278, 156279, 156280, 156293, 1563066, 427 58, 427123, 427170, 427209, 427366, 4273855, 4273899, 427394, B05D 512
Patent
active
054984432
ABSTRACT:
A non-woven fabric consisting of random entangled staple fibers which serves as a supporting structure is first subjected to pressure spraying on each side with a paint-like liquid comprised of a water base, or of a petroleum solvent thinner containing micron sized particles, such as copper treated with a suitable compatible binder, such as polyester epoxy, or acrylic resins. After spraying and drying, all solvents are removed by air circulating in an oven. The thus-sprayed fabric is then passed through apparatus which simultaneously heats and compresses the fabric to greatly reduce its thickness to form a sheet in which the entrained metal particles are brought into intimate contact with each other, thereby to impart conductivity to the fabric sheet.
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