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:
Mar. 05, 2002
Filed:
Dec. 30, 1999
Applicant:
Inventor:
John A. Ulcej, Colfax, WI (US);
Assignee:
Extrusion Dies, Inc., Chippewa Falls, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/716 ;
U.S. Cl.
CPC ...
B29C 4/716 ;
Abstract
A membrane assembly for an extrusion die includes a membrane having a deformable main portion and first and second mounting arms integral with the main portion and disposed on opposite sides thereof. The main portion includes a first face and the mounting arms extend away from the first face. The main portion, the mounting arms and a second face opposite the first face form a recess on a side of the main portion opposite the first face and a backing member is disposed in the recess between the mounting arms.