Disposable cold pack

Details Disposable cold pack Disposable cold pack

B - Operations, Transporting

65

D

217/11

B65D 81/32 (2006.01)

Patent

CA 1114335

Abstract of the Disclosure A disposable cold pack for cooling and storing a sample of freshly drawn blood at 28° to 40°F. for 45 minutes has an outer flexible insulation layer and a pair of sealed flexible plastic envelopes, one beside the other, one containing water and the other containing ammonium nitrate in a ratio to water from 1.24:1 to 1.26:1 by weight. The envelopes are provided with a connecting passageway between them releasably sealed in closed condition by an external spring clamp or by a mating tongue and groove assembly.

281343

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