Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers
Patent
1979-09-24
1982-01-05
Cannon, James C.
Stock material or miscellaneous articles
Composite
Of fluorinated addition polymer from unsaturated monomers
73428, 141 83, 141 95, 427122, 427249, 428422, 428688, B32B 2502, B32B 3300, G01F 2304, G01F 2327
Patent
active
043094830
ABSTRACT:
A static electric charge removal of dispersal coating for ullage tapes having an outer polymeric surface. The coating is formed of carbon black and is applied to the polymeric surface of the ullage tape to disperse therefrom any static electric charge which may be generated thereon when used for measurement purposes in large tanks which can build up a high static charge therein. The carbon black coating is preferably acetylene black formed on the tape and simultaneously anchored thereto by passing the tape near a fuel rich acetylene flame. Any excess coating which is not anchored to the tape can be removed by wiping or other similar operation.
The method of this invention can be used to apply an acetylene black coating to polymeric items such as fluorocarbon wire, tape, or other forms which can be passed in close proximity to a fuel rich acetylene flame.
REFERENCES:
patent: 2788296 (1957-04-01), Louis
patent: 3293066 (1966-12-01), Gravert
patent: 3829327 (1974-08-01), Omori et al.
patent: 3944686 (1976-03-01), Froberg
patent: 4189514 (1980-02-01), Johnson
patent: 4194027 (1980-03-01), Adams et al.
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