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Method for producing a freezing chamber and the freezing chamber obtained with this method

A technology of freezing cavity and production machine, which can be used in applications, frozen desserts, heat exchange equipment, etc., and can solve problems such as increased production costs and lengthy processing practices.

Inactive Publication Date: 2007-05-30
ALI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Therefore, it is clear that these methods require lengthy machining practices and the use of various machining tools, thus increasing production costs

Method used

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  • Method for producing a freezing chamber and the freezing chamber obtained with this method
  • Method for producing a freezing chamber and the freezing chamber obtained with this method
  • Method for producing a freezing chamber and the freezing chamber obtained with this method

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Embodiment Construction

[0018] Referring to FIG. 1 , numeral 1 denotes the entire freezing chamber, which is a part of the ice cream maker 2 , and partly shows its base 3 .

[0019] As shown in FIG. 2 , the freezing chamber 1 consists of a substantially cylindrical body 4 , the axis of which is indicated by reference numeral 5 . The cylinder 4 comprises an inner cylinder 6, the left-hand end of which (see FIG. 2 ) at the opening 7 supported on the front wall 8 of the base 3 is hermetically closed by a cover 9 of known type.

[0020] The outer cylinder surface 10 of the inner cylinder 6 supports a helical groove 11 into which an edge of a substantially flat metal strip 12 is inserted.

[0021] Thus, the metal strip and the wire rod 13 with a predetermined constant pitch p form a helical path 14 .

[0022] The cylinder 4 also includes an outer cylinder 15 coaxial with the inner cylinder 6 and heat-fixed on the tail, thus sealing the helical path 14 with its inner cylinder surface 16 .

[0023] The in...

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Abstract

A method for producing a freezing chamber, in ice cream making machines, comprises a step of producing a helical path (14) between an inner cylinder (6) and an outer cylinder (15), a step of producing a first flange (17) and a second flange (18) for closing the opposite ends of the helical path (14); in the method said steps occurring simultaneously and being carried out by means of the same working step.

Description

technical field [0001] The present invention relates to a method of producing a freezer cavity, in particular a freezer cavity in an ice cream maker. This chamber is designed to freeze liquid food for ice cream production, using the whipping and freezing process method. Background technique [0002] As is well known, the above-mentioned freezing chamber basically consists of an inner cylinder and an outer cylinder coaxial with each other, forming a hollow space between them along a helical path for the passage of the coolant. [0003] A known method for producing such a chamber is described in patent EP0519252, in which the helical path is formed by winding a steel strip in a helical groove supported on the external surface of the inner cylinder. [0004] The flange is then secured to one end of the inner cylinder, the outer cylinder is then secured with heat, and finally a second closure flange is secured to the second end. [0005] In the second method, with respect to b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23G9/12
CPCA23G9/22A23G9/222B21D53/027Y10T29/4935Y10T29/49361
Inventor G·库奇G·扎尼波尼R·拉扎里尼
Owner ALI
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