Process for stamping a detergent bar

Details Process for stamping a detergent bar Process for stamping a detergent bar

1988-01-25

1988-12-27

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264293, 264323, 264325, 264337, 264338, 425394, 425395, 425DIG44, B29C 5902

Patent

active

047939591

ABSTRACT:
Detergent bars (soap or non-soap) are stamped or imprinted using a die or dies having a modulus of elasticity in the range 5.times.10.sup.5 to 1.times.10.sup.7 Nm.sup.-2. This gives reduced adhesion of detergent to die, reduced die-blocking and consequently reduced marring of bars. Preferably each such die has a facing layer of elastomer so as to achieve the desired low modulus of elasticity which preferably is distinctly less than that of the detergent.

REFERENCES:
patent: 2965946 (1960-12-01), Sweet et al.
patent: 3094758 (1963-06-01), Downie
patent: 3241208 (1966-03-01), Sweet et al.
patent: 3242247 (1966-03-01), Watson
patent: 3270110 (1966-08-01), Downie et al.
patent: 3408436 (1968-10-01), Cubitt

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