US108420A - Improvement in paint-brushes - Google Patents

Improvement in paint-brushes Download PDF


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US108420A US108420DA US108420A US 108420 A US108420 A US 108420A US 108420D A US108420D A US 108420DA US 108420 A US108420 A US 108420A
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    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/20Brushes for applying products to surfaces in general
    • A46B2200/202Applicator paint brush





Specification forming part of Letters Patent No. 108,420, dated October 1S, 1870.

To all whom it may concern,.-

Be it known that I, JOHN LAKE WRITING, of Boston, of the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in the Manufacture of Paint-Brushes; and Ido hereby declare the same to be fully described in the following specification, and represented in the accompanying drawings, of which- Figure l denotes a longitudinal section of a brush made in accordance With my invention.

` Fig. 2 is a top view of the strengthener, to be hereinafter described.

In making a brush, I employ a metallic ferrule, capped at one or the upper end and open at the other orlower end, the cap having a hole made through it at its cent-er to receive the handle. The ferrule may be cylindrical in form, or it may be barrel-shaped, or it may be slightly conical or tapering. With such a ferrule I employ a strengthener, which consists of a short cylinder or block of wood having a diameter corresponding with that of the interior or chamber of the ferrule, or that part of it which is next to the cap or head of the ferrule, the said strengthener having a hole through it centrally, and such hole having a diameter about equal to that of thehole in the cap of the ferrule.

In Fig. l of the drawings, A denotes the 1netallic ferrule provided with a head, a, at its upper end, and such head having a hole, b, made through it centrally.

The strengthener is exhibited at B as placed within and iitted to the ferrule and against the head a. If desirable, the strengthener may be in two or more sections, for the purpose of being readily introduced into the ferrule7 as in some cases, pariicularly when the ferrule is conical or tapering, it may be nec essary to so make the introducer in order to get it into its place in the ferrule.

The ferrule, having been so made and provided with a strengthener, as described, is next to have the mass of stock or bristles C inserted in it at its open or lower end, and up to and against the strengthener, after Which the handle, which is to be conical or tapering, is to be inserted, smaller end foremost, int-o the mass of bristles, and into the holes of the strengthener B and the head a, and be driven upward closely into such holes and into the said mass, so as to expand it in the ferrule and aid in holding it4 therein.

The ferrule I form with two or any other suitable number of concavo-convex beads, c c, extending around it, so as to constitute grooves or channels on and about its interior surface. One of such grooves I usually arrange so as to extend around the periphery of the strength ener, in order that such st-rengthener may be expanded by the handle into the groove, the latter thus being made to serve the purpose of aiding in holding the strengthener in place in the ferrule. The other groove or grooves, c, I arrange, as shown, so as to receive more or less of the bristles when the mass is expanded by the handle, the groove or grooves thus serving to aid in holding the bristles in connection with the ferrule.

In fixing the bristles in the ferrule and to the handle and the strengthener, as well as to aid in fixing the latter in or to the ferrule, cement may be employed,it being applied to the parts prior to the insertion of the handle therein.

From the above it will be seen that the purpose of the strengthener is twofold-viz., to give support to the handle and to save the 11ecessity of extending thebristles up to the cap or head of the ferrule. It is advantageous in other respects, as it not only strengthens the ferrule or prevents it from being indented, but when of wood enables the cement on the bristle-heads to hold to it with g'reat tenacity.

A rivet or pin may be inserted transversely through the handle, the ferrule, and the strengthener, in case such may be desirable, in order to strengthen the connection of the said parts.

I claim as my inventionl. The arrangement and combination of the strengthener B, the capped ferrule A, the tapering handle D, and the mass of bristles or stock C, all as described.

2. The ferrule as formed, with one or more grooves arranged within the periphery of its chamber."substantially in manner as set forth, in combination with the strengthener and taf pering handle, or equivalent means of expanding the bristles, the whole being as speciiied.




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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9649102B2 (en) 2005-10-14 2017-05-16 Applied Medical Resources Corporation Wound retractor with split hoops

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9649102B2 (en) 2005-10-14 2017-05-16 Applied Medical Resources Corporation Wound retractor with split hoops

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