Patent · US Expired

Method and material for plugging an ingot mold

US4619950A · kind A · utility

1Cited by
8References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 25, 1986
Grant dateOct 28, 1986
Priority date
Expiry dateFeb 25, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21B7/125
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A particulate material adapted to be poured into the opening in the bottom of a top pouring ingot mold, tamped in the opening and then cured therein to form a mold plug is comprising of a plug forming aggregate and first and second binders of thermosetting resinous material having different temperatures at which polymerization of the corresponding resin commences.

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