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:
Jun. 05, 2018
Filed:
May. 11, 2015
Applicant:
Bronislav Walter, Edmonton, CA;
Inventor:
Bronislav Walter, Edmonton, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 39/02 (2006.01); B29C 39/12 (2006.01); B29C 39/26 (2006.01); B29L 31/26 (2006.01); B29K 75/00 (2006.01);
U.S. Cl.
CPC ...
B29C 39/12 (2013.01); B29C 39/021 (2013.01); B29C 39/023 (2013.01); B29C 39/025 (2013.01); B29C 39/028 (2013.01); B29C 39/123 (2013.01); B29C 39/26 (2013.01); B29K 2075/00 (2013.01); B29L 2031/26 (2013.01);
Abstract
There is provided a method of manufacturing a sealing element, the method having the steps of providing a mold comprising a molding cavity in the shape of the sealing element, the mold having inner walls and outer walls, placing a ring-shaped separator concentrically in the mold, pouring a first elastomer having a first hardness into a center of the separator, and pouring a second elastomer having a second hardness that is different from the first hardness between the separator and the inner walls of the mold.