US1592385A - Box toe for shoes - Google Patents

Box toe for shoes Download PDF

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Publication number
US1592385A
US1592385A US675263A US67526323A US1592385A US 1592385 A US1592385 A US 1592385A US 675263 A US675263 A US 675263A US 67526323 A US67526323 A US 67526323A US 1592385 A US1592385 A US 1592385A
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United States
Prior art keywords
shoes
sodium silicate
box
box toe
blank
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Expired - Lifetime
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US675263A
Inventor
Reginald S Pitts
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Individual
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Individual
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Priority to US675263A priority Critical patent/US1592385A/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A43B23/081—Toe stiffeners
    • A43B23/086—Toe stiffeners made of impregnated fabrics, plastics or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer
    • Y10T442/3528—Three or more fabric layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/50—FELT FABRIC
    • Y10T442/59—At least three layers

Definitions

  • My invention relates to stifl'eners for shoes and especially to box toes, the object being to produce in an inexpensive manner a box toe or the like which will be firmer and holdiits shape longer than similar elements heretofore produced, and which will be largely water-proof and, therefore, resistant to the perspiration of the foot.
  • the invention will be hereinafter first fully described and then particularly defined in the appended claims.
  • Fig. 1 is a plan View of a strip of mate- Fig. 2 is a plan view of a blank
  • Fig. 3 is an enlarged section on the line 3-3 of Fig. 2, 0
  • the strip 1 is of indefinite length and lts width is slightly greater than the width of the blank to be formed therefrom so that wh le full blanks may be readily cut waste will be practically eliminated.
  • the strip generally consists of three plies of canvas cemented firmly and smoothly together with any suitable cement, although other material may be used and I have obtained good results from felt.
  • the strip shown in Fig. 1 is then coated on both sides with sodium silicate and permitted to dry, after which the bla'nk 2 is cut from the strip by dies, as indicated by dotted lines in Fig. 1, and the edges skived, as shown at 3, whereupon the blank is ready for delivery to the shoe manufacturer.
  • the sodium silicate coating may be applied to the strip of material in any approved method, and I have practiced the invention efficiently by passing the stri tween rollers and through abath of sodium. silicate.
  • sodium silicate showing 40 Baum test and dilute it until its specific gravity is reduced about one-half.
  • the sodium silicate is diluted, the base '(sodium hydroxide), being more highly soluble, will penetrate the material to a greater de th and leave most of the sodium silicate to ry upon or at the exterior of the material and this portion of the bath on or sli htly below the surface of the material, ing in the air, gradually forms a less soluble silicate.
  • an acid as it does when worn next to the foot, it is rial from which the box blanks are formed
  • a stiffener for shoe suitably shaped'blank externally coated with a sodium silicate to water proof the same and adapted upon contact with erspiration of the foot to form an insoluble acid, to thereby increase the water proof quality.
  • a waterproof stiffener for comprising a suitably shaped blank coated with sodium silicate, whereby to form insoluble silicic acid externally contact with acid of the foot.
  • a stiffener blank for shoe parts formed of a plurality of canvas plies cemented together and coated externally with sodium silicate to permit formation of insoluble silicic acid upon contact with acids from the foot of the user.

Description

Patented July 13, 1926.
REGINALD S. PITTS, OE HANOVER, PENNSYLVANIA.
BOX TOE FOR SHOES.
Application filed November 17, 1823. Serial No. 675,263.
My invention relates to stifl'eners for shoes and especially to box toes, the object being to produce in an inexpensive manner a box toe or the like which will be firmer and holdiits shape longer than similar elements heretofore produced, and which will be largely water-proof and, therefore, resistant to the perspiration of the foot. The invention will be hereinafter first fully described and then particularly defined in the appended claims.
In the accompanying drawing,
Fig. 1 is a plan View of a strip of mate- Fig. 2 is a plan view of a blank,
Fig. 3 is an enlarged section on the line 3-3 of Fig. 2, 0
The strip 1 is of indefinite length and lts width is slightly greater than the width of the blank to be formed therefrom so that wh le full blanks may be readily cut waste will be practically eliminated. The strip generally consists of three plies of canvas cemented firmly and smoothly together with any suitable cement, although other material may be used and I have obtained good results from felt. The strip shown in Fig. 1 is then coated on both sides with sodium silicate and permitted to dry, after which the bla'nk 2 is cut from the strip by dies, as indicated by dotted lines in Fig. 1, and the edges skived, as shown at 3, whereupon the blank is ready for delivery to the shoe manufacturer. The sodium silicate coating may be applied to the strip of material in any approved method, and I have practiced the invention efficiently by passing the stri tween rollers and through abath of sodium. silicate.
I use sodium silicate showing 40 Baum test and dilute it until its specific gravity is reduced about one-half. When the sodium silicate is diluted, the base '(sodium hydroxide), being more highly soluble, will penetrate the material to a greater de th and leave most of the sodium silicate to ry upon or at the exterior of the material and this portion of the bath on or sli htly below the surface of the material, ing in the air, gradually forms a less soluble silicate. When it comes in contact with an acid, as it does when worn next to the foot, it is rial from which the box blanks are formed,
the
further transformed into an insoluble silicic acid, increasing the waterproof quality of the box toe. The stri porous nature and readily absorbs the sodium silicate which fills slight'imperfections and spots in the material so that the finished product will be firm and uniform in strength and the box toe formed therefrom will retain its shape for a long period.
By the use of sodium silicate hereinbefore set forth, the box toes made in such manner are much stiifer and harder and 'the wearing qualities very much improved over box toes heretofore manufactured by the use of various other materials such as resin, celluloid, and the .like, and by the use of sodium silicate in this manner various solutions heretofore necessary and used by manufacturers in working box toes in the shoes are dispensed with. I
It will be understood, of course, that the present invention is not limited to box toes for shoes but is intended to cover and is equally applicable to other parts of shoes, such for exampleas leather innersoles wherein it has been used with great success, and
the scope of the following claims is intended to be broad enough to cover any such use.
Having thus fully described my invention, what I claim as Letters Patent of the United States is:
1. A stiffener for shoe suitably shaped'blank externally coated with a sodium silicate to water proof the same and adapted upon contact with erspiration of the foot to form an insoluble acid, to thereby increase the water proof quality.
2. A waterproof stiffener for comprising a suitably shaped blank coated with sodium silicate, whereby to form insoluble silicic acid externally contact with acid of the foot.
3. A stiffener blank for shoe parts formed of a plurality of canvas plies cemented together and coated externally with sodium silicate to permit formation of insoluble silicic acid upon contact with acids from the foot of the user.
In testimony whereof I hereunto aflix my signature.
REGINALD S. PITTS.
new and desire to secure by parts comprising a shoe parts thereon, upon material is of a
US675263A 1923-11-17 1923-11-17 Box toe for shoes Expired - Lifetime US1592385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US675263A US1592385A (en) 1923-11-17 1923-11-17 Box toe for shoes

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Application Number Priority Date Filing Date Title
US675263A US1592385A (en) 1923-11-17 1923-11-17 Box toe for shoes

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US1592385A true US1592385A (en) 1926-07-13

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