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:
Apr. 26, 1994
Filed:
Nov. 12, 1992
Applicant:
Inventor:
Colin Stutt, Bristol, GB;
Assignee:
Amcor Limited, Victoria, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31F / ;
U.S. Cl.
CPC ...
156473 ; 156205 ; 156210 ; 156543 ; 226 95 ;
Abstract
A machine for making corrugated board, comprising means to feed two separate webs between two respective pairs of corrugating rolls to form two corrugated layers, a first adhesive application for applying adhesive to the peaks of at least one of the two corrugated layers, means to bring the two corrugated layers together at the peaks of the corrugations, means to convey the joined corrugated layers past a second adhesive applicator for applying adhesive to the exposed peaks of one of the corrugated layers, and means to apply a liner web to the corrugated layer.