Process for coating wire

Details Process for coating wire Process for coating wire

C - Chemistry, Metallurgy

21

D

148/30, 117/95

C21D 9/02 (2006.01) B05D 3/02 (2006.01)

Patent

CA 1045525

ABSTRACT OF THE DISCLOSURE The invention provides a process for converting straight wire into a spring which is then heat treated and exposed to a fluidized bed for coating, the quality of the resulting coating being indicative of the quality of the heat treatment. A box spring assembly is also disclosed having a generally rectangular frame consisting of side and end rails and a plurality of spaced cross rails extending between the side rails, a border wire con- forming generally to the shape and boundaries defined by the side and end rails, a plurality of longitudinal and transverse main springs which are produced by the above process and which are parallel to the side and end rails and perpendicular to each other, and a plurality of internal support springs extending diagonally between pairs of main springs. Each main spring is attached to the border wire by a clip, and either the border wire or the spring or both are coated with a plastic material to preclude slippage of the clip. Furthermore, each main spring is coated with plastic. All the wires may be coated with a different color plastic to facilitate assembly of the product.

285174

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