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.

Date of Patent:
Dec. 11, 1979

Filed:

Sep. 20, 1978
Applicant:
Inventors:

Mack L Ford, Jr, Westerville, OH (US);

William W McFarland, Wooster, OH (US);

Assignee:

International Paper Company, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B65D / ;
U.S. Cl.
CPC ...
220441 ; 93 581 ; 156198 ; 156205 ; 428124 ;
Abstract

An improved method of and machine for making a bulk container. The container has a main body which is strengthened as compared to at least the container top or bottom by at least one additional material layers, those material layers comprising in combination a single face liner and attached fluting medium. The variable layer construction being accomplished by machine combination of material layers of different cross-machine dimension. The method of this variable dimension multi-layer combination encompasses a single lamination step of the several material layers to provide a strengthened bulk container blank and therefrom the improved container of this invention.


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