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:
Nov. 23, 2021
Filed:
Oct. 02, 2018
Applicant:
Dart Container Corporation, Mason, MI (US);
Inventor:
Chengtao Li, Novi, MI (US);
Assignee:
Dart Container Corporation, Mason, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 44/26 (2006.01); B29C 44/24 (2006.01); B32B 5/18 (2006.01); B32B 27/06 (2006.01); B32B 27/36 (2006.01); B29K 67/00 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B29C 44/24 (2013.01); B29C 44/26 (2013.01); B32B 5/18 (2013.01); B32B 27/065 (2013.01); B32B 27/36 (2013.01); B29K 2067/003 (2013.01); B29K 2105/041 (2013.01); B29K 2105/043 (2013.01);
Abstract
A solid state foaming process for generating a microcellular foam sheet for use in forming a container is provided includes a pre-foaming treatment phase prior to a solid state impregnation and foaming phase. The solid state microcellular foam sheet includes a central foamed section defining a foam layer within the microcellular foam sheet having a first population of cells within which are interspersed a second population of cells.