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:
Nov. 05, 1985
Filed:
Dec. 30, 1982
Applicant:
Inventors:
Yoshitsugu Maruhashi, Yokohama, JP;
Sadao Hirata, Kamakura, JP;
Assignee:
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 35 ; 229 / ;
Abstract
Disclosed is a function-separated composite vessel excellent in the easy openability, preservability and resistance to the deformation due to reduction of the pressure, which comprises a cup-shaped outer member composed of a paper substrate and a flexible seamless cup-shaped inner member composed of a gas-barrier plastic material, wherein the peripheral wall face of the inner member is substantially exactly fitted in the inner side of the outer member but is not bonded to the wall face of the outer member and an opening of the inner member is bonded to a curl portion or flange portion formed on an opening of the outer member.