Manufacture of marbled detergent bars

Details Manufacture of marbled detergent bars Manufacture of marbled detergent bars

1978-08-22

1980-03-18

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425462, B29F 312

Patent

active

041937520

ABSTRACT:
A liquid component can be introduced into a detergent bar by injecting liquid within or immediately downstream of a multi-apertured plate positioned before the compression cone of an extruder. The method can be used to produce marbled bars with the aid of a colored liquid and is described in UK Pat. No. 1387567.
When a double extruder is used together with a common expression cone the injected liquid becomes unevenly distributed within the detergent. Even distribution of the liquid as striations is achieved by use of a partition in the cone to ensure each detergent stream is subjected to separate compression during movement down the cone.

REFERENCES:
patent: 3779676 (1973-12-01), Bernard
patent: 3884605 (1975-05-01), Glelon
patent: 3890419 (1975-06-01), Kaniecki
patent: 3923438 (1975-12-01), Perla

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