Method of making a sponge mop part

Details Method of making a sponge mop part Method of making a sponge mop part

1976-09-27

1978-03-07

Custer, Jr., Granville Y.

Brush, broom, and mop making

Processes

15244C, A47L 1346

Patent

active

040776727

ABSTRACT:
A process for making a replaceable part of a sponge mop normally referred to as a refill. The refill is made by enclosing the sponge in a mold and compressing it to close the pores of the sponge on at least one side. A thermoplastic material in the molten state is then injected into the mold against at least one surface of the sponge and allowed to cool. The sponge is then removed from the mold, and water is applied to it to expand it to its original condition.

REFERENCES:
patent: 2313787 (1943-03-01), Vaughn
patent: 2666954 (1954-01-01), Potter
patent: 2877478 (1959-03-01), Kohlwey et al.
patent: 3355844 (1967-12-01), Abler et al.
patent: 3458268 (1969-07-01), Wozab et al.

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