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:
Jun. 16, 1992
Filed:
May. 10, 1989
Applicant:
Inventors:
Etsuo Shimamura, Goka, JP;
Sukenori Ito, Fuchu, JP;
Yuji Kawamura, Tokyo, JP;
Takuya Adachi, Koshigaya, JP;
Atsushi Yuzawa, Kasukabe, JP;
Masaaki Takada, Sugito, JP;
Assignee:
Toppan Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
422 28 ; 53425 ;
Abstract
A method for sterilizing a liquid packaging sleeve-like blank having two open ends and made of a laminated material including a paper layer, includes the steps of sterilizing the blanks by circulating a circulating unit holding a large number of blanks in a sterilizing tank which contains a sterilizing agent, to dip the blanks in the sterilizing agent, and removing the sterilizing agent by circulating another circulating unit holding the large number of blanks in a hot air drying tank in which hot air is blowed, to dry the blanks.