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Air Wipe Wire Enamel Applicator

IP.com Disclosure Number: IPCOM000089021D
Original Publication Date: 1977-Sep-01
Included in the Prior Art Database: 2005-Mar-04
Document File: 2 page(s) / 43K

Publishing Venue

IBM

Related People

Grabowski, WC: AUTHOR [+4]

Abstract

A manufacturing process is described for applying an enamel coating to bare wire. The process produces a much more uniform enamel coating than heretofore obtainable. It also provides a precise and adjustable control of the coating thickness.

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Air Wipe Wire Enamel Applicator

A manufacturing process is described for applying an enamel coating to bare wire. The process produces a much more uniform enamel coating than heretofore obtainable. It also provides a precise and adjustable control of the coating thickness.

The wire 10 to be coated is spooled from a supply reel 11 and passed through an enamel manifold 12, a coating control device 13 and a curing oven 14 in a continuous manner. The enamel manifold 12 provides a body of liquid enamel through which the wire 10 is pulled, thereby wetting the wire with enamel. Pressurized air is applied to an interior cavity 15 of the coating control device 13 by way of an air input port 16. This causes a flow of air out of the entrance port 17 through which the wire 10 is being pulled. This floods the wire 10 with air flowing in the opposite direction. This removes excess enamel and causes the remaining enamel on the wire to be very evenly distributed just prior to entering the enamel curing oven 14. The amount of air flow through the port 17 controls the thickness of the enamel layer. This air flow is determined by the adjustment of a threaded hollow-stemmed air flow valve 18. The wire 10 passes through the longitudinal center passage in the valve 18.

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