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:
Jan. 11, 2011
Filed:
Mar. 06, 2009
Kazuya Iwahashi, Osaka, JP;
Hirokazu Mihashi, Osaka, JP;
Keiji Hamamoto, Osaka, JP;
Masaru Otsuka, Aichi, JP;
Yorishisa Uetake, Aichi, JP;
Kenji Matsuura, Aichi, JP;
Kazuya Iwahashi, Osaka, JP;
Hirokazu Mihashi, Osaka, JP;
Keiji Hamamoto, Osaka, JP;
Masaru Otsuka, Aichi, JP;
Yorishisa Uetake, Aichi, JP;
Kenji Matsuura, Aichi, JP;
Taisei Kako Co., Ltd., , JP;
Abstract
A particularly small eyedropper or the like is provided, which has a construction such that, when a body thereof is squeezed, an introduction hole thereof can be easily closed to compress air in a space between an inner layer and an outer layer thereof even in the absence of a check valve in the introduction hole, and defectiveness of the introduction hole can be easily checked. To this end, a test hole () communicating with an introduction hole () via a space between an outer layer bottle () and an inner layer bag () is provided in an outer layer mouth portion (). The test hole () is closed by the inner layer bag () and an inside plug () fitted in the mouth portion (). Further, the introduction hole () is provided in a middle portion of a body which is pressed by a finger when the bottle is squeezed. The introduction hole () is closed by the finger.