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. 06, 1995
Filed:
Aug. 24, 1993
Applicant:
Inventor:
Masaaki Fujio, Osaka, JP;
Assignee:
Fuji Seal Industry Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156192 ; 1562726 ; 156324 ;
Abstract
A film tube has a substrate having opposed side edges. A first surface of the film is subjected to corona electrical discharge treatment. The first surface of the film is provided thereon with a printing ink layer. A first edge region along one of the opposed side edges of the first surface of the film is provided with an adhesive layer. A second edge region along an opposed side edge of a second surface of the film is activated by the corona electrical discharge treatment. The first edge region and the second edge region are overlapped and bonded with one another through the adhesive layer. A method for making the film tube is also provided.