Patent · US Expired

Curing binders for foundry moulds and cores

US4605052A · kind A · utility

4Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 13, 1985
Grant dateAug 12, 1986
Priority date—
Expiry dateAug 13, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22C1/222
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A foundry binder of the water-soluble alkali metal polyacrylate type having additives that include lime is cured by the use of the vapour of a low-boiling point organic ester having not more than three carbon atoms, primarily methyl formate, entrained in a carrier gas, e.g. carbon dioxide or nitrogen.

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