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:
Sep. 08, 1987
Filed:
Jan. 08, 1985
Applicant:
Inventor:
Norman F Dove, North Vancouver, B.C., CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ; D21F / ;
U.S. Cl.
CPC ...
162259 ; 162347 ; 60530 ; 92 34 ;
Abstract
A control mechanism for a lip of a headbox slice. A first vessel contains a substantially incompressible liquid. The temperature of the incompressible liquid can be varied. An expansible member communicates with the first vessel and is also full of a substantially incompressible liquid. Thus increasing the temperature of the incompressible liquid in the first vessel expands liquid from the first vessel towards the expansible member to expand that member.