Patent · US Expired

Diecast machine

US7246649B2 · kind B2 · utility

3Cited by
8References
3Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 23, 2005
Grant dateJul 24, 2007
Priority date
Expiry dateJul 15, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D27/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A diecast machine comprises: a sleeve extending in the vertical direction; a plunger moving upward in the vertical direction inside the sleeve; a mold disposed above an upper side of the sleeve; a case member constituted of a nonconductive member, which covers at least a lower end of the sleeve and forms a closed space including the lower end of the sleeve; a communicating pipe connecting the inside of the closed space to the outside of the closed space; and high-frequency induction coil configured to heat metal material disposed on the plunger from the outside of the case member and melt the metal material.

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