Apparatus and method for producing waterproof structural corrugated paperboard

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United States of America Patent

PATENT NO 8631848
APP PUB NO 20110162793A1
SERIAL NO

13047218

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
HLADILEK MICHAEL BNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hladilek, Michael B Phillips, US 4 5
Marschke, Carl R Phillips, US 81 857

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