Cartridge containing water expandable members

Details Cartridge containing water expandable members Cartridge containing water expandable members

1981-08-26

1984-05-15

Ostrager, Allen M.

Power plants

Miscellaneous

137 781, 222 54, F01B 2900

Patent

active

044480270

ABSTRACT:
A cartridge is made up of a plurality of packet-like members each forming a closed pocket containing a material which expands to many times its dry volume when contacted by liquid water. The packet-like members are arranged superposed on one another with the members secured together as a unit. When the material is contacted by water, the individual packet-like members expand but the members remain together as a unit.

REFERENCES:
patent: 3280549 (1966-10-01), Hsu

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