Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1983-06-10
1984-07-10
Lusignan, Michael R.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
138109, 138145, 427 57, 427354, 4274301, 604175, 604265, 604266, 604275, 604283, B05D 306, B05D 312, B05D 118
Patent
active
044593180
ABSTRACT:
A self-lubricating fill tube comprises an extended conduit having a coating of hydrophilic polymer extending over at least a portion of an outer surface of the conduit. A method for forming the self-lubricating fill tube comprises preparing the surface of the fill tube by cleaning and irradiating the fill tube with gamma radiation in a dosage of about 0.5 Mrads. The fill tube is immersed in a ethylenically unsaturated monomer solution containing oxidizable metallic ions which initiates polymerization of the monomer onto the exposed surface of the fill tube. The fill tube is removed from the monomer solution leaving a hydrophilic polymer coating on the surface of the fill tube. The polymer coated fill tubes are rinsed with deionized water.
REFERENCES:
patent: 2940869 (1960-06-01), Graham
patent: 2956899 (1960-10-01), Cline
patent: 3861396 (1975-01-01), Vaillancourt et al.
patent: 3919724 (1975-11-01), Sanders et al.
patent: 4043356 (1977-08-01), Morris et al.
patent: 4119094 (1978-10-01), Micklus et al.
patent: 4302485 (1981-11-01), Last et al.
American Hospital Supply Corporation
Lusignan Michael R.
Williams Roger A.
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