05632150 is referenced by 60 patents and cites 10 patents.

An improved blast cleaning system and an improved method of blast cleaning using solid carbon dioxide pellets is provided. A compressed air source--preferably an air compressor--is used to produce a compressed air or carrier gas stream which is cooled to the desired temperature by injection of a cryogen--preferably liquid nitrogen--before the solid carbon dioxide pellets are introduced into the carrier gas stream. Solid carbon dioxide pellets are then added to the cooled compressed air stream and then propelled towards the surface to be cleaned. Using a compressed air stream which is precooled to the desired operating temperature helps to minimize the sublimation of the carbon dioxide pellets. The use of the precooled compressed air stream also allows greater control of the hardness, size, density, impact forces, stripping rates, and stripping efficiencies of the carbon dioxide pellets. An improved method of transporting solid carbon dioxide pellets which can be used for nonblasting applications (e.g., charging shipping containers for frozen or chilled foods) is also provided.

Title
Carbon dioxide pellet blast and carrier gas system
Application Number
8/480181
Publication Number
5632150
Application Date
June 7, 1995
Publication Date
May 27, 1997
Inventor
Gregory W Henzler
Naperville
IL, US
Agent
Fitch Even Tabin & Flannery
Assignee
Liquid Carbonic Corporation
IL, US
IPC
B65B 63/08
F17C 7/02
B24C 3/12
B24B 49/14
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