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. 21, 2014
Filed:
Mar. 14, 2011
Applicants:
Michael B. Hladilek, Phillips, WI (US);
Carl R. Marschke, Phillips, WI (US);
Inventors:
Michael B. Hladilek, Phillips, WI (US);
Carl R. Marschke, Phillips, WI (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/06 (2006.01); B31F 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Two paper webs saturated with an A-phase phenolic resins and dried to a B-phase are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured C-phase, whereafter the webs are joined to form a waterproof single face corrugated web.