B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
25/126, 31/34, 2
B32B 5/18 (2006.01) C04B 21/02 (1980.01)
Patent
CA 1138902
Abstract of the Disclosure A heat absorbing body made from a mixture of water, Portland cement, cellulose fibers, and a foaming agent, with or without other ingredients such as water glass and sodium sulfate. Polypropylene fibers may be used in place of part or all of the cellulose fibers. Cellulose fibers (con- veniently reclaimed or recycled cellulose fibers) are preferably used because of their ability to absorb and retain relatively large amounts of water in the composition. Various formulas are given for the mixture. The material is used as a filling for the walls of fire resistant safes and storage boxes, and also for the construction of structural panels for furniture and building construction, and for cast-in-place walls and floors and roofs of buildings. In addition to the ability of the material to absorb heat in case of fire and thus keep the contents of a safe or container or room cooler than would otherwise be the case, the material is useful for heat storage and retrieval, absorbing and storing waste heat or solar heat during a hot day, and giving up or re-radiating the stored heat when needed, such as during a cool night.
361462
Avery Roland M. Jr.
Burgess George M.
Brush (john D.) & Co. Inc.
Meredith & Finlayson
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