Patent · US Expired

Device for the production of molded articles from a pourable substance

US4544345A · kind A · utility

26Cited by
5References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 14, 1982
Grant dateOct 1, 1985
Priority date
Expiry dateOct 14, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB28B13/021
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

In the production of molded articles from a pourable substance, such as a porcelain substance, a hollow mold space is formed between a pair of horizontally displaceable compression mold parts. In the closed molding position, the mold parts are is spaced relation and form an annular gap laterally enclosing the mold space. An annular member forms a closure for the gap. The pourable substance is introduced into a passage through the closure member and through the gap into the mold space. A vacuum system is provided in the closure member in communication with the mold space during the step of filling the pourable substance into the mold space.

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