Apparatus for squeeze packaging butter-like products

Details Apparatus for squeeze packaging butter-like products Apparatus for squeeze packaging butter-like products

1984-09-17

1985-12-10

Culver, Horace M.

Package making

With contents treating

53127, 53554, B65B 6308, B65B 912

Patent

active

045571031

ABSTRACT:
A butter-like product is recirculated from a mixing bowl (10) by a recirculating pump (14) until its viscosity is adjusted to the equivalent of 16,000 to 18,000 centipoise at 75.degree. F. The viscosity adjusted butter is pumped through an aerator (22) to a closed holding tank (40). A positive displacement pump (42) recirculates the viscosity adjusted butter from the holding tank, through a recirculating feed line (44) at a preselected pressure, and back to the holding tank. A plurality of packaging machines (C) each include a metering pump (60) which pumps metered amounts of the butter from the recirculating feed line through at least one filling nozzle (62). Sheets of heat-sealable plastic material from rolls (64, 66) are heat sealed (70, 72, 74, 76) into squeeze packets surrounding the metered volumes of butter. A conveyor (100) conveys the filled squeeze packets to a fluid cooling hood (104) in which the squeeze packets are bathed in a cooling fluid, e.g., nitrogen, before the packaged butter can be adversely affected by residual heat from the heat seals.

REFERENCES:
patent: 2853390 (1958-09-01), McGowan et al.
patent: 2882166 (1959-04-01), Clarke
patent: 2928219 (1960-03-01), Gubler
patent: 3874146 (1975-04-01), Watkins
patent: 3987602 (1976-10-01), Stahl
patent: 4447464 (1984-05-01), Schwartz et al.

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