The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2010
Filed:
Jun. 12, 2007
Yasushi Watanabe, Numazu, JP;
Kimiaki Hayakawa, Shizuoka, JP;
Eiichiro Hirota, Shizuoka, JP;
Kiyoshi Morimoto, Mishima, JP;
Yasushi Watanabe, Numazu, JP;
Kimiaki Hayakawa, Shizuoka, JP;
Eiichiro Hirota, Shizuoka, JP;
Kiyoshi Morimoto, Mishima, JP;
Kyowa Hakko Kirin Co., Ltd., Ohtemachi, Chiyoda-ku, Tokyo, JP;
Abstract
A tablet production apparatus comprising a gas generator G, a lubricant powder discharge meansfor discharging a lubricant powder into a gas generated from the gas generator G, depending on the supply of the gas from the gas generator G, and mixing the lubricant powder with the gas in dispersed state, a lubricant application meansfor spraying the lubricant powder discharged from the lubricant powder discharge meansand mixed with the gas generated from the gas generation means G in dispersed state, onto each material contacting surface of a die, an upper punch and a lower punch, and an oxygen concentration measuring meansfor measuring the oxygen concentration of the gas existing near the lubricant application means. The apparatus is designed such that the amount of the gas supplied into the lubricant application means is adjusted based on the oxygen concentration measured by the oxygen concentration measuring means