Patent · US Expired

Tablet manufacturing method and tablet

US6964779B1 · kind B1 · utility

12Cited by
10References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1999
Grant dateNov 15, 2005
Priority date
Expiry dateApr 7, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB30B15/0011
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

According to the tablet production method of the present invention, tablet is produced by compressing molding material by means of punches and dies comprising the steps of using powdered or granular material including compound which is denaturalized or inactivated when tabletted at high pressure is used as the molding material, housing the punches and the dies in a spraying chamber, generating pulsating vibration air and spraying lubricant mixed in air in the spraying chamber, applying the lubricant on the surfaces of the punches and the dies while the lubricant sprayed in the spraying chamber is mixed with the pulsating vibration air, and tabletting the molding material by means of the punches applied with the lubricant on the surface thereof and the dies applied with the lubricant on the surface thereof.

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