Patent · US Expired

Method and apparatus for surface freezing

US6148618A · kind A · utility

8Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 1999
Grant dateNov 21, 2000
Priority date
Expiry dateOct 22, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D25/04
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

A method and apparatus for freezing a surface layer of food product (6), placed on a non-foraminous conveyor belt (7) wherein cold air in the form of jets is blown towards the underside of the non-foraminous conveyor belt. The apparatus for carrying out the method comprises, in addition to the non-foraminous conveyor belt (7), a plurality of stationary nozzles (14) for producing jets towards the underside of the non-foraminous conveyor belt in an area which extends over the width of the non-foraminous conveyor belt.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.