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US1259031A - Process of making brushes. - Google Patents

Process of making brushes. Download PDF

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Publication number
US1259031A
US1259031A US295615A US295615A US1259031A US 1259031 A US1259031 A US 1259031A US 295615 A US295615 A US 295615A US 295615 A US295615 A US 295615A US 1259031 A US1259031 A US 1259031A
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United States
Prior art keywords
brush
strip
pitch
brushes
making
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US295615A
Inventor
Luther T Mather
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Individual
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Individual
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Priority to US295615A priority Critical patent/US1259031A/en
Application granted granted Critical
Publication of US1259031A publication Critical patent/US1259031A/en
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Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/02Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by pitch, resin, cement, or other adhesives
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/10For human or animal care
    • A46B2200/1066Toothbrush for cleaning the teeth or dentures

Definitions

  • This invention relates to improvements in ratory brushes such as are extensively used in shoe factories and which are in the nature of improvements on patents of Phillips, dated Aug. 7th, 1899, No. 642,484, and Larsson, dated Jan. 8, 1901, No. 665,832.
  • the brush has been composed of brush strips produced by applying and stitching strip tape transversely and in doubled relation to brush stock and in then winding the same helically on a hub therefor and confining theportions of the brush strip adjacent and in engagement with the hub under pressure, thereon.
  • the present invention consists in a process for the making of a brush of the general character set forth in the aforenamed patents, and by' the exercise of which the bristles,
  • horse hair or other brush stock included will remain securely bound in the central body or hub of the brush during the wearing life of the brush, and until entirely reduced and worn away by use without any liability of loosening and detachment.
  • Figure 1 is a face view. of a short portion of indefinite length. of abrush strip such as. that included in the rotary brush of the ldnd to which this invention relates.
  • Fig. 2 is a side view of a brush bundle.
  • Figs. 3 and 3 are cross sectional views as taken on line 'w-w, Fig. 1, showing the employment, as may be variously adopted, of sin le and double tapes.
  • ig. 4 is a plan view showing the brush the brush strip by strip coiled and as being subjected to the immersing and saturating action of the liquid pitch, the employment of which forms part of this process.
  • Fig. 5 is a sectional view as taken on line 5-5, Fig. 4.
  • Fig. 6 is a sectional view centrally through the completed brush.
  • a pan D or shallow receptacle forms a part of the apparatus appropriately employed and into which is supplied, in suflicient quantity, 2.
  • heavy liquid solution d which as provided by me is composed of what is commercially known as Burgundy pitch and alcohol, in proportions of about 37 pounds ofthe pitch to 3 gallons of the alcohol.
  • the tape inclosed or butt end portion of the brush strip bundle is set into the receptacle as represented in Figs. 4 and 5 and left therein for a short time but sufliciently long for the heavy pitch solution to thoroughly permeate the tape and the portions of the brush stock connected therewith.
  • the brush strip of suiiicient length for one 7 head or cap G? is screwed o'r'otherwise se- Patented Mar. 112, 11918.
  • the strip is first placed in involute form in pitch, when the inner face of the stripwillbe slightly compressed and the outer face will be slightly stretched, and the fibers will be rolled on themselves to positions different from that assumed when the strip is extended or without short curves.

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  • Brushes (AREA)

Description

L. T. MATHER-l PROCESS OF MAKING BRUSHES.
APPLICATION FILED JAN. lib I915.
1,Q59,Q1 Patented Mar. 12, 1918.
WITNESSES: I INVENTOR,
iv/Mm A TTOR NE Y.
LUTHER T. MATHER, 0F SPRINGFIELD, MASSACHUSETTS.
PROCESS OF MAKING BRUSHES.
Specification of Letters Patent.
Application filed. January 18, 1915. Serial No. 2,956.
To all whom it may concern:
Be it known that I, LUTHER T. MATHER, a citizen of the United States of America, and resident of Springfield, in the county of Hampden and State of Massachusetts, have invented certain new and useful Improve ments in Processes of Making Brushes, of which the following is a full, clear, and exact description.
This invention relates to improvements in ratory brushes such as are extensively used in shoe factories and which are in the nature of improvements on patents of Phillips, dated Aug. 7th, 1899, No. 642,484, and Larsson, dated Jan. 8, 1901, No. 665,832.
In these patents the brush has been composed of brush strips produced by applying and stitching strip tape transversely and in doubled relation to brush stock and in then winding the same helically on a hub therefor and confining theportions of the brush strip adjacent and in engagement with the hub under pressure, thereon.
'The brushes so made have not been a satisfactory product inasmuch as under the centrifugal action produced by high rotation of the brushes in use, the bristles or brush stock, by reason of insuflicient anchorage have loosened and been thrown out whereby the life of the brush and its eficiency while in use have been entirely inadequate.
i The present invention consists in a process for the making of a brush of the general character set forth in the aforenamed patents, and by' the exercise of which the bristles,
horse hair or other brush stock included will remain securely bound in the central body or hub of the brush during the wearing life of the brush, and until entirely reduced and worn away by use without any liability of loosening and detachment.
The invention is described in conjunction with the accompanying drawings and is set forth in the claim.
In the drawings:-
Figure 1 is a face view. of a short portion of indefinite length. of abrush strip such as. that included in the rotary brush of the ldnd to which this invention relates.
Fig. 2 is a side view of a brush bundle. Figs. 3 and 3 are cross sectional views as taken on line 'w-w, Fig. 1, showing the employment, as may be variously adopted, of sin le and double tapes.
ig. 4 is a plan view showing the brush the brush strip by strip coiled and as being subjected to the immersing and saturating action of the liquid pitch, the employment of which forms part of this process.
Fig. 5 is a sectional view as taken on line 5-5, Fig. 4.
Fig. 6 is a sectional view centrally through the completed brush.
In carrying out this process, I produce the applying and stitching of strip tape a in doubled relation and at opposite sides of the bristles or horse hair, Tampico fiber or whatever brush stock or combination of brush stocks may be employed, and more or less in accordance with the procedure under the aforementioned Phillips and Larsson patents. The tape strip having a length 'suflicient for the making of one or several brushes is then wound to involute curved form to form a bundle A, as represented in Figs. 2, 4 and 5, the same being temporarily tied by string 6.
A pan D or shallow receptacle forms a part of the apparatus appropriately employed and into which is supplied, in suflicient quantity, 2. heavy liquid solution d, which as provided by me is composed of what is commercially known as Burgundy pitch and alcohol, in proportions of about 37 pounds ofthe pitch to 3 gallons of the alcohol. v
The tape inclosed or butt end portion of the brush strip bundle is set into the receptacle as represented in Figs. 4 and 5 and left therein for a short time but sufliciently long for the heavy pitch solution to thoroughly permeate the tape and the portions of the brush stock connected therewith.
The bundle removed from the receptacle containing the pitch solution and unwound and hung up, subject to the partially drying and hardening action of the atmosphere for a considerable tlme, say for two or three days.
The brush strip of suiiicient length for one 7 head or cap G? is screwed o'r'otherwise se- Patented Mar. 112, 11918.
is then untied cured on the hub confining the wound brush strip securely in its place,the marginal portions of the head or cap G forming the annular confining flange opposite the permanent flange g.
The pitch saturated and intimately comobtained, and to this end the following action of the pitch upon the fibers and binding tape'is repeatedly varied by the alteration of the form of the combined strip. The strip is first placed in involute form in pitch, when the inner face of the stripwillbe slightly compressed and the outer face will be slightly stretched, and the fibers will be rolled on themselves to positions different from that assumed when the strip is extended or without short curves.
When the coil is removed and straightened out, the fibers tend to resume their natural positions, against unequal strip tension, and the tension of the walls of the strip becomes equal.
When the partially dried, pitch impregnated, brush strip is wound in helical form upon the hub and placed under compression, a second change in the tension and relations of the brush fibers and strip walls takes In other words, the repeated change inthe strip form during the manufacture of the brush develops what may be termed a kneading action of the strip walls upon the anchored fiber ends, and this kneading action tends to increase the degree of penetration of the pitch, upon the strip and the faces of the fibers.
I claim I The process of brush making consisting in sticking a quantity of brush fibers to a flexible tape to form a flexible brush strip, coiling said brush strip in involuteform, immersing said involute coil in a solution of pitch and alcohol so that the strip and the brush fiber ends engaged therewith are impregnated by the pitch, removing the impregnated coil from the pitch solution and unwinding the coil and allowing it to partially dry, coiling the partially dried strip in helical form around a hub, and maintaining said helically coiled strip under compression.
Signed by me at Springfield, Mass, in presence of two subscribing witnesses.
. L. T. 'MATHER. Witnesses:
G. R. DRISCOLL, WM. S. BELLOWS.
US295615A 1915-01-18 1915-01-18 Process of making brushes. Expired - Lifetime US1259031A (en)

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US295615A US1259031A (en) 1915-01-18 1915-01-18 Process of making brushes.

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565974A (en) * 1948-05-08 1951-08-28 William C Leete Method of making round brushes
US2610896A (en) * 1948-07-19 1952-09-16 Marsh Stencil Machine Company Method of making brush tips
WO1982000406A1 (en) * 1980-08-06 1982-02-18 J Bromboz Brushes and method of making same
US9700133B1 (en) * 2014-11-06 2017-07-11 Felton, Inc. Method for forming a continuous belt brush

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565974A (en) * 1948-05-08 1951-08-28 William C Leete Method of making round brushes
US2610896A (en) * 1948-07-19 1952-09-16 Marsh Stencil Machine Company Method of making brush tips
WO1982000406A1 (en) * 1980-08-06 1982-02-18 J Bromboz Brushes and method of making same
US9700133B1 (en) * 2014-11-06 2017-07-11 Felton, Inc. Method for forming a continuous belt brush

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