US 12,080,440 B2
Nuclear waste cask with impact protection, impact amelioration system for nuclear fuel storage, unventilated cask for storing nuclear waste, and storage and transport cask for nuclear waste
Krishna P. Singh, Jupiter, FL (US); Charles W. Bullard, II, Merion Station, PA (US); Xuejun Zhai, Mount Laurel, NJ (US); and John D. Griffiths, Deptford, NJ (US)
Assigned to Holtec International
Filed by Holtec International, Camden, NJ (US)
Filed on Feb. 14, 2023, as Appl. No. 18/109,290.
Application 18/109,290 is a continuation of application No. 17/374,005, filed on Jul. 13, 2021, granted, now 11,610,696.
Application 17/374,005 is a continuation in part of application No. 17/061,700, filed on Oct. 2, 2020, granted, now 11,081,249, issued on Aug. 3, 2021.
Application 17/374,005 is a continuation in part of application No. 17/132,102, filed on Dec. 23, 2020.
Application 17/374,005 is a continuation in part of application No. 17/165,224, filed on Feb. 2, 2021.
Application 17/374,005 is a continuation in part of application No. 17/181,439, filed on Feb. 22, 2021, granted, now 11,373,775, issued on Jun. 28, 2022.
Claims priority of provisional application 62/910,073, filed on Oct. 3, 2019.
Claims priority of provisional application 62/954,083, filed on Dec. 27, 2019.
Claims priority of provisional application 62/969,183, filed on Feb. 3, 2020.
Claims priority of provisional application 62/979,640, filed on Feb. 21, 2020.
Prior Publication US 2023/0197304 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G21F 5/12 (2006.01); G21F 5/012 (2006.01); G21F 5/08 (2006.01)
CPC G21F 5/12 (2013.01) [G21F 5/012 (2013.01); G21F 5/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An impact limiter for a transport cask configured to hold nuclear waste, the impact limiter comprising:
a body including a first end and an opposite second end configured for coupling to one end of the transport cask;
an annular perforated sleeve coupled to the second end of the body;
the perforated sleeve configured to surround an exposed side portion of the one end of the transport cask for protection against side impacts.