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. 29, 1981
Filed:
Jan. 07, 1980
Applicant:
Inventors:
Robert A Hay, MIdland, MI (US);
Oswald Bergman, Freeland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
425325 ; 264 53 ; 2641 / ; 425466 ;
Abstract
Forming plates for the extrusion of foam from a slot die are provided which are adjustable in relationship to a generally adjacent die face. A movable plate portion is disposed adjacent the die face. The movable portion has a semi-cylindrical groove disposed therein. A pivoting forming plate having half-round edges has one edge disposed within the movable plate. The opposed half-round edge of the pivoting plate rests in a semi-cylindrical groove within a fixed forming plate. A similar opposed plate arrangement is employed on the opposite side of the die slot.