Pipe freezer or the like

Details Pipe freezer or the like Pipe freezer or the like

1980-09-02

1982-01-12

Tapolcai, Jr., William E.

Refrigeration

Processes

Congealing flowable material, e.g., ice making

62293, 62530, 165154, 16510417, F16L 5516

Patent

active

043098754

ABSTRACT:
A self contained freezing device for forming a plug of ice within a pipe section. A refrigeration unit supplies refrigerant to a cradle like freezer unit within which the section of pipe to be frozen is held in spaced relation to the inner face of the freezer. The space between the underside of the pipe and the inner face of the freezer is filled with water, for example by spraying. As the water freezes, in contact with the cradle like freezer unit, it covers the outer surface of the pipe section with an ice jacket. Alternatively, a bag of freezable jel may be substituted for the water spray and placed over the inside face of the freezer; and then the pipe section is placed within the fold of the bag. In the case of either alternative, the refrigerant is maintained inside the freezer, and out of contact with the pipe.

REFERENCES:
patent: 1684672 (1928-09-01), Hill
patent: 2001515 (1935-05-01), Barrow
patent: 2035341 (1936-03-01), Radloff
patent: 2672323 (1954-03-01), Larson
patent: 3553976 (1971-01-01), Cumine et al.
patent: 3926006 (1975-12-01), Brooks et al.

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