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. 19, 1988
Filed:
Mar. 17, 1987
Applicant:
Inventor:
Yoichi Nishiguchi, Tokyo, JP;
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
229 / ; 229-31 ; 229 / ; 229 / ; 428 57 ; 428458 ;
Abstract
A paperboard container made of a paperboard blank with polyethylene coatings on its front and back surfaces, the overlying ends of the paperboard blank being heat sealed through the polyethylene coatings. The container includes a sealing tape which consists of a polyethylene base and a non-heat sealing layer and the polyethylene base is heat sealed to the polyethylene coatings inside the container except for a portion of the heat sealing layer so that the non-heating sealing layer covers the sectional end of the paperboard blank.