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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.:

US 11007761 B1

PDFFull Text
Date of Patent:
May. 18, 2021

Filed:

Mar. 31, 2017

Method of making coextruded, cross-linked polyolefin foam with tpu cap layers

Applicant:

Toray Plastics (America), Inc., N. Kingstown, RI (US);

Inventors:

Dan Ben-Daat, Winchester, VA (US);

Jesse Baldwin, Strasburg, VA (US);

Kaitlyn Michelle Bock, Winchester, VA (US);

Pawel Sieradzki, Cross Junction, VA (US);

Assignee:

TORAY PLASTICS (AMERICA), INC., N. Kingstown, RI (US);

Attorney:

Morrison & Foerster LLP

Primary Examiner:

James Sanders

Int. Cl.
CPC ...
B29C 48/21 (2019.01); B32B 27/32 (2006.01); B29C 71/04 (2006.01); B32B 5/20 (2006.01); B32B 27/06 (2006.01); B32B 5/18 (2006.01); B32B 7/12 (2006.01); B32B 5/02 (2006.01); B32B 27/18 (2006.01); B32B 27/12 (2006.01); B32B 9/02 (2006.01); B32B 27/20 (2006.01); B32B 9/04 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01); B32B 5/32 (2006.01); B32B 27/16 (2006.01); B29C 35/08 (2006.01); B32B 5/14 (2006.01); B32B 27/26 (2006.01); E04F 15/20 (2006.01); B29C 44/50 (2006.01); B32B 27/08 (2006.01); B29C 48/08 (2019.01); B29K 23/00 (2006.01); B29K 75/00 (2006.01); B29K 105/04 (2006.01); B29L 9/00 (2006.01); B29C 48/00 (2019.01); B29C 44/24 (2006.01); B29K 105/24 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01); B29C 44/56 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B29C 35/0866 (2013.01); B29C 44/505 (2016.11); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 71/04 (2013.01); B32B 5/02 (2013.01); B32B 5/145 (2013.01); B32B 5/18 (2013.01); B32B 5/20 (2013.01); B32B 5/32 (2013.01); B32B 7/12 (2013.01); B32B 9/025 (2013.01); B32B 9/046 (2013.01); B32B 27/065 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/16 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/26 (2013.01); B32B 27/304 (2013.01); B32B 27/40 (2013.01); E04F 15/203 (2013.01); B29C 44/24 (2013.01); B29C 44/5636 (2013.01); B29C 48/0012 (2019.02); B29C 2035/0872 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2075/00 (2013.01); B29K 2105/0088 (2013.01); B29K 2105/041 (2013.01); B29K 2105/046 (2013.01); B29K 2105/24 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0097 (2013.01); B29L 2009/00 (2013.01); B29L 2031/732 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2266/025 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/08 (2013.01); B32B 2270/00 (2013.01); B32B 2274/00 (2013.01); B32B 2307/51 (2013.01); B32B 2307/72 (2013.01); B32B 2307/732 (2013.01); B32B 2323/04 (2013.01); B32B 2323/10 (2013.01); B32B 2375/00 (2013.01); B32B 2471/00 (2013.01);
Abstract

The present disclosure is directed to a physically crosslinked, closed cell continuous multilayer foam structure comprising at least one foam polypropylene/polyethylene layer with a TPU cap layer. The multilayer foam structure can be obtained by coextruding a multilayer structure comprising at least one foam composition layer with at least one cap composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure.

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