Mold Element Patents (Class 249/187.1)
- Including means permitting change in relative position of sink head or hot top on mold (Class 249/198)
- Including means reflecting heat to surface of melt (Class 249/199)
- Hollow for confining a heat producing or heat retaining medium (Class 249/200)
- Including internal, diverse, perimetric layer (Class 249/201)
- Adjuncts (Class 249/202)