CPC C08J 9/32 (2013.01) [A42B 3/125 (2013.01); A42C 2/007 (2013.01); A63B 59/20 (2015.10); A63B 59/54 (2015.10); A63B 59/70 (2015.10); A63B 71/12 (2013.01); A63B 71/1225 (2013.01); A63B 71/143 (2013.01); B29C 51/00 (2013.01); B29C 51/002 (2013.01); B29C 51/02 (2013.01); B29C 51/082 (2013.01); B33Y 80/00 (2014.12); A63B 2071/125 (2013.01); A63B 2071/1208 (2013.01); A63B 2071/1258 (2013.01); A63B 2102/14 (2015.10); A63B 2102/18 (2015.10); A63B 2102/182 (2015.10); A63B 2102/24 (2015.10); B29C 44/3484 (2013.01); B29K 2021/00 (2013.01); B29K 2021/003 (2013.01); B29K 2021/006 (2013.01); B29K 2083/00 (2013.01); B29K 2105/0076 (2013.01); B29K 2105/048 (2013.01); B29K 2995/0063 (2013.01); B29L 2031/4821 (2013.01); B29L 2031/5227 (2013.01); C08J 2203/22 (2013.01); C08J 2300/26 (2013.01); C08J 2375/04 (2013.01)] | 68 Claims |
1. A method of making a helmet for protecting a head of a user, the helmet comprising a shell comprising an outer surface of the helmet, the helmet comprising a liner disposed within the shell and comprising an inner surface of the helmet, the inner surface of the helmet being configured to contact the user's head, the liner including a pad, the method comprising:
forming expandable material of the pad into an initial three-dimensional configuration;
expanding the initial three-dimensional configuration to an expanded three-dimensional configuration that is a scaled-up version of the initial three-dimensional configuration; and
mounting the pad within the shell.
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