Methods of and apparatus for controlling plastic-to-conductor ad

Details Methods of and apparatus for controlling plastic-to-conductor ad Methods of and apparatus for controlling plastic-to-conductor ad

1982-11-18

1984-01-24

Morgenstern, Norman

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156 51, 29825, 148 115Q, 427120, 427299, 427357, 427405, 427409, H01B 1306

Patent

active

044274696

ABSTRACT:
A tinned conductor is advanced through each of a plurality of successively smaller die openings in a drawing apparatus to reduce the diameter of the tinned conductor after which it is annealed. After the tinned conductor has been annealed, it is moved through the opening of a die which is slightly smaller than the final die opening in the drawing apparatus. This reconfigures any of the tin coating that may have reflowed during annealing and formed protrusions to remove any such protrusions and form an essentially smooth surface. As a result, the adhesion of a subsequently extruded plastic covering to the tinned conductor is controlled to be within a predetermined range and to be substantially uniform along the length of the conductor.

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