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:
Aug. 16, 1988
Filed:
Jun. 22, 1987
Applicant:
Inventor:
Willem A Nikkel, Covington, VA (US);
Assignee:
Westvaco Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156210 ; 118248 ; 156205 ; 156470 ; 156497 ; 156578 ;
Abstract
In the fabrication of double-faced corrugated paperboard, the exposed flute tips of single-faced corrugated board are prepared with a coating of liquid adhesive to receive a second liner web. To press the flute tips uniformly against the adhesive film coated surface of a glue applicator roll, pressure is applied by a segmented air bearing wherein multiple air bearing shoe segments are resiliently secured to a common manifold air source.