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:
Nov. 16, 2021
Filed:
Apr. 20, 2021
Mii Ltd., Osaka, JP;
Shuji Morimoto, Osaka, JP;
Makoto Takehara, Osaka, JP;
Abstract
Provided is a vacuum freeze-drying apparatus, having a drying deviceprovided with an inlet portion and an outlet portion and comprising a tubular memberformed of a tubular shape, a temperature adjusting meanstoprovided in a plurality of regionstoin a direction from the inlet portion to the outlet portion in a peripheral portion of the tubular member for adjusting a temperature of the plurality of regions in an outer surface of the tubular member, a temperature control unitfor independently controlling the temperature adjusting means, and a rotating portionfor rotating the tubular member, wherein the tubular member has a spiral transfer meansfor transferring the frozen substance entering from the inlet portion sequentially to locations corresponding to the plurality of regions in the tubular member to continuously sublimate and dry the frozen substance.