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.

Date of Patent:
Jan. 21, 2025

Filed:

May. 03, 2023
Applicant:

Whirlpool Corporation, Benton Harbor, MI (US);

Inventors:

Abhay Naik, Stevensville, MI (US);

Lakshya J. Deka, Mishiwaka, IN (US);

Assignee:

Whirlpool Corporation, Benton Harbor, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 43/00 (2006.01); B01F 27/95 (2022.01); B29C 70/58 (2006.01); B29L 31/00 (2006.01); B29K 105/00 (2006.01); B29K 105/04 (2006.01); B29K 105/16 (2006.01); B29K 503/08 (2006.01); B29K 509/00 (2006.01);
U.S. Cl.
CPC ...
B29C 43/006 (2013.01); B01F 27/953 (2022.01); B29C 70/58 (2013.01); B29K 2105/04 (2013.01); B29K 2105/165 (2013.01); B29K 2105/251 (2013.01); B29K 2503/08 (2013.01); B29K 2509/00 (2013.01); B29K 2995/0015 (2013.01); B29K 2995/0063 (2013.01); B29L 2031/7622 (2013.01);
Abstract

A method for forming a vacuum insulated structure using a prepared core material includes preparing a powder insulation material defining a bulk density, pre-densifying the powder insulation material to form a pre-densified insulation base, crushing the pre-densified insulation base into granular core insulation to define a core density of the granular core insulation, disposing the granular core insulation having the core density into an insulating cavity defined within an insulating structure and expressing gas from the interior cavity of the insulating structure to further densify the granular core insulation to define a target density. The granular core insulation defines the target density disposed within the insulating structure defines the vacuum insulation structure, wherein the target density defines a density in the range of from approximately 80 grams per liter to approximately 350 grams per liter.


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