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:
Oct. 25, 1988
Filed:
Nov. 03, 1987
Applicant:
Inventor:
Roy Jones, Raleigh, NC (US);
Assignee:
Huyck Corporation, Wake Forest, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162123 ; 162202 ; 162217 ; 162300 ; 162352 ; 162364 ;
Abstract
A dual compartment vacufoil unit for making linerboard grade or other multi-layer paper comprising a dual compartment vacufoil and a forming blade and a method of using same. The dual compartment vacufoil unit is positioned beneath the forming blade, with an upstream compartment located on the upstream portion of the forming blade evacuating air through primary paper sheet prior to application of the secondary discharge, and a downstream compartment located on the downsteam portion of the forming blade. The forming blade is positioned directly beneath the secondary pulp discharge.