Refrigeration – Processes – Treating an article
Patent
1982-12-10
1984-10-30
Capossela, Ronald C.
Refrigeration
Processes
Treating an article
62 48, 62 55, 62 70, 62514R, 406 47, F25D 1306
Patent
active
044793626
ABSTRACT:
The present invention is an improved process for cooling cement which comprises injecting liquid nitrogen into a pneumatic transport line used to convey the cement.
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patent: 3672182 (1972-06-01), Stowasser et al.
patent: 3720201 (1973-05-01), Lefever
patent: 4206610 (1980-01-01), Santhanam
patent: 4300355 (1981-11-01), McWhorter et al.
patent: 4305257 (1981-12-01), Kneeland
Halper Barry J.
McWhorter Thomas E.
Air Products and Chemicals Inc.
Capossela Ronald C.
Innis E. Eugene
Rodgers Mark L.
Simmons James C.
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