Title:
APPARATUS AND METHOD FOR CHILLING OR FREEZING
Document Type and Number:
WIPO Patent Application WO/2015/108867
Kind Code:
A3
Abstract:
Product such as food is chilled or frozen in apparatus in which a chilling zone holds a pool of cryogen vapor, and a belt (30) that carries the product through the apparatus passes through a region in the apparatus that is lower than the upper surface of the pool of cryogen vapor.
Inventors:
LANG GARY D (US)
GIRARD JOHN M (US)
GIRARD JOHN M (US)
Application Number:
PCT/US2015/011207
Publication Date:
September 11, 2015
Filing Date:
January 13, 2015
Export Citation:
Assignee:
PRAXAIR TECHNOLOGY INC (US)
International Classes:
F25D3/11
Foreign References:
| JPS5875681A | 1983-05-07 | |||
| US4350027A | 1982-09-21 | |||
| US5715688A | 1998-02-10 | |||
| US5444985A | 1995-08-29 |
Attorney, Agent or Firm:
BLACK, Donald, T. et al. (Inc.39 Old Ridgebury Roa, Danbury CT, US)
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