Manufacture of detergent bars

Details Manufacture of detergent bars Manufacture of detergent bars

1978-09-18

1980-09-23

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

By extrusion

252134, 264148, 4251311, 264192R, 425463, 264325, 425192R, B29F 312

Patent

active

042242665

ABSTRACT:
The manufacture of detergent bars having liquid, for example a colored liquid, injected into the mass is described in UK Pat. No. 1387567. The present invention describes manufacture using a single screw plodder providing two streams of extruded detergent material for cutting and stamping. A partition is provided in the extrusion cone to provide improved quality of external striping.

REFERENCES:
patent: 3779676 (1973-12-01), Bernard
patent: 3884605 (1975-05-01), Grelon
patent: 3890419 (1975-06-01), Kaniecki
patent: 3947200 (1976-03-01), Fischer
patent: 4096221 (1978-06-01), Fischer et al.

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