In a small skillet over low heat, toast curry powder until fragrant.

Combine curry powder, mayonnaise, chutney, and salt in a small bowl.  In a separate large bowl, toss chicken, apple, pear, celery, and raisins.  Add mayonnaise mixture and combine.

Place a piece of lettuce on each of 6 slices of bread, divide chicken salad (about 1 cup per serving) among them, cover with second piece of bread and serve.