Heat treatment device

Description

FIG. 1 is a perspective view of a heat treatment device according to the present invention;

FIG. 2 is a front view of the heat treatment device of FIG. 1;

FIG. 3 is a rear view of the heat treatment device of FIG. 1;

FIG. 4 is a left side view of the heat treatment device of FIG. 1;

FIG. 5 is a right side view of the heat treatment device of FIG. 1;

FIG. 6 is a top plan view of the heat treatment device of FIG. 1; and,

FIG. 7 is a bottom plan view of the heat treatment device of FIG. 1.

The broken lines show portions of a heat treatment device which forms no part of the claimed design.

Claims

The ornamental design for a heat treatment device, as shown and described.