06053661 is referenced by 7 patents and cites 18 patents.

Specially-shaped blocks of foam for use underground as aggregate. Because of protuberances on the faces of the blocks, the blocks fit closely together in only a small number of ways. In filling a volume, the overwhelmingly more likely arrangements provide a reasonably certain percentage void. Thus, the blocks can be transported to an application arranged without any significant void, and then used to fill a volume, providing a reasonably well known percentage void and compressive strength. Use of these foam blocks can provide thermal insulation, cushioning and various combinations of compressive strength and void, depending on the size and shape of the blocks and the size and shape of the protuberances relative to the blocks.

Title
Variable fitting foam blocks as aggregate
Application Number
8/976429
Publication Number
6053661
Application Date
November 21, 1997
Publication Date
April 25, 2000
Inventor
David L Lewis
Woodbury
CT, US
Agent
Ware Fressola Van Der Sluys & Adolphson
Assignee
Polar
CT, US
IPC
E02B 11/00
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