Patent · US Expired

Apparatus for molding molten materials

US6736188B2 · kind B2 · utility

5Cited by
5References
57Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 2002
Grant dateMay 18, 2004
Priority date
Expiry dateJun 28, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D17/2061
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A vessel for processing feed stock material into molten or semi-molten state. The vessel includes a body defining an interior surface, an inlet, for receiving the feed stock material and an outlet discharging the material. The sidewall of the body comprises three layers, referred to as the shell, an intermediate layer and a liner. The intermediate layer is disposed between the shell and the liner and is formed of material softer than the materials forming the shell and the liner. The presence of the intermediate layer minimizes the thermal gradient along the thickness of the barrel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.