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. 30, 2005
Filed:
May. 29, 2003
Yasuhito Takahashi, Osaka, JP;
Katutosi Tusima, Toyama, JP;
Takumi Kida, Nara, JP;
Yuko Ishii, Hyogo, JP;
Hiroshi Tatsui, Shiga, JP;
Kazuyuki Hamada, Osaka, JP;
Yasuhito Takahashi, Osaka, JP;
Katutosi Tusima, Toyama, JP;
Takumi Kida, Nara, JP;
Yuko Ishii, Hyogo, JP;
Hiroshi Tatsui, Shiga, JP;
Kazuyuki Hamada, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A clear ice making apparatus includes: a freezing space; a tray placed in the freezing space and having a lower temperature at a bottom part thereof than at an upper part thereof; and a water supply unit of supplying water to the tray from the top thereof, in which ice is made at an ice making rate of 5 μm/s or lower, a part of a liquid-phase section of water in the tray which part is in contact with atmosphere is frozen to complete the ice making, the liquid-phase section of water is not entirely supercooled before the ice making is completed, and the concentration of air in the liquid-phase section of water in the tray is equal to or lower than an excessive concentration of air.