US2384006A - Scouring and polishing powder - Google Patents

Description

Patented Sept. 4, 1945 UNITED STATES PATENT OFFICE SCOURING AND POLISHING POWDER Joseph M. Bleakney, Manhasset, N. Y.

No Drawing. Application March is, 1943,-

- Serial No. 479,595

6 Claims.

This invention relates to a cleaning composition which may be used for both scouring and polishing aluminum, porcelain, silver and many other materials.

Present day cleaning compositions may be divided roughly into scouring powders and polishing powders. In the form'er,.the active cleaning agent is a pulverized mater'iaLsuchfor example, as volvanic ash, having relatively large, hard particles which cut through dirt, grease, etc., when rubbed over the surface to be cleaned. .Such powders remove the undesired substance and so clean the surfaces over which they are applied.

The relatively soft material, the'particles of I which may be considered as constituting the a8- But, at the same time, their gritty particles produce a multitude of scratches visible to the naked eye. On some surfaces this may not be particularly objectionable, but on others, especially ishing materials may be substituted according to the character of the surfaces to be cleaned. It

is held on the aggregate by varnish, natural or artificial resin lacquers, animal or vegetable relatively soft materials, such as silver, these scratches would be extremely objectionable.

Polishing powders comprise a very flnelypulverized abrasive material which removes tarnish, stains, etc., without producing scratches visible to the naked eye. In such powders, the particles are so small that they will not cut through grease, scum, etc., and consequently these powders are not effective for scouring purposes. Also, polishing powders when dry, have a tendency to pack together and therefore are not adaptable for use in containers with sifter openmgs. objectionable dust when shaken from the container. Accordingly, such powders are usually sold in liquid or paste carriers. Such arrangeglues, or other suitable binders, being applied .while' the binder is still tacky.

i A small percentage of either a so-called pure soap, or a built soap, 1. e., one which comprising pure soap and an alkali, is added as a lubricant and water softener and for rinsing the surface. It has been found that approximately 5% of such soap powder is satisfactory.

It will be understood that the proportions of '25 each of these ingredients may be varied over a Furthermore, a dry powder produces an ments increase the expense of the cleaning material not only by the cost of the carrying medium' but they also require expensive air-tight containers to prevent deterioration of the liquid or paste.

The present cleaning composition not only scours and polishes in a single operation but it 40 also has all the advantages of a dry powder which may be readily dispensed through 9, sifter opene ing without producing objectionable dust.

It has been found that when finely divided abrasive polishing powder is firmly attached to larger particles of a relatively soft material, the resulting composition may be used for both scouring and polishing purposes. The particles in this composition are sufilciently large to scour dirt, grease and other substances, over which ordinary polishing powder would smudge. At the same time, these particles, being of relatively soft material, are not sufllciently hard to produce scratches on the surfaces over which they tre rubbed.

35 lows, using either hand apparatus:

wide range. By way of example, a preferred composition comprises, by volume:

Sawdust Diatomaceous earth 45 Binder Powdered soap 5 Such a composition'may be prepared as folor mechanical mixing The sawdust is mixed with the binder so that the latter is more or less evenly spread over the 1y desirable to continue this mixing until the binder is dry, thus insuring greater and more uniform distribution ofthe polishing powder.

- When the mixture is thoroughly dry, the soap powder is added.

The resulting dry composition is used in the rubbed over-the surface to be cleaned.

What is claimed is: I I

l. A scouring and polishing powder comprising -sawdust, the particles of which are coated with a dried binder, finely ground diatomaceous Per cent V usual manner, i. e., applied to a damp cloth and earth securely imbedded in said binder and a dry soap powder.

2. A scouring and polishing powder compris- 4 ing sawdust, the particles of which are coated binder and powdered soap.

4. A cleaning composition comprising cellulosic material havingrelatively soft particles coated with a dried binder, finely divided mineral abrasive polishing powder securely imbedded in said binder and a dry soap powder mixed with said coated particles.

5. A cleaning composition comprising cellu losic material having relatively soft particles coated with .a dried binder, finely divided mineral abrasive polishing powder securely .imbedded in said binder and a powdered soap mixed with said coated particles.

' 6. A combined scouring and polishing powder comprising by volume about forty-five percent sawdust, forty-five percent diatomaceous earth, five per cent dried binder and five percent soap powder, said binder acting to hold the particles of said diatomaceous earth securely to said sawdust.

- JOSEPH M. BLEAKNEY.