US163948A - Improvement in the manufacture of heels and soles of boots and shoes - Google Patents
Improvement in the manufacture of heels and soles of boots and shoes Download PDFInfo
- Publication number
- US163948A US163948A US163948DA US163948A US 163948 A US163948 A US 163948A US 163948D A US163948D A US 163948DA US 163948 A US163948 A US 163948A
- Authority
- US
- United States
- Prior art keywords
- leather
- manufacture
- soles
- shoes
- heels
- Prior art date
- 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
Links
- 210000000474 Heel Anatomy 0.000 title description 24
- 238000004519 manufacturing process Methods 0.000 title description 20
- 239000010985 leather Substances 0.000 description 58
- 239000002699 waste material Substances 0.000 description 6
- 210000000282 Nails Anatomy 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000779819 Syncarpia glomulifera Species 0.000 description 2
- 229940036248 Turpentine Drugs 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000001739 pinus spp. Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
- A43B13/34—Soles also attached to the inner side of the heels
Definitions
- Wi FITESEEE IFIVEFI+QY'.: gwwm v Wj/w y/ fia M NI'IED STATES PATENT OFFICE.
- This invention has for its object the manufacture of heelsand soles for boots and shoes of waste strips or scraps of curried and oiled or dressed leather, such as is commonly used for uppers, for harnesses, and for -beltin g; and my invention consists in a process for treating such leather, and for the heelfblank made therefrom as a new article of manufacture.
- a heel made of lifts of this'oiled leather is not suitable to use in the manufacture of boots and shoes, for the reasonthat the oil from the leather will work through the top lift or the layer at the exposed end of the heel, which, in all first-class shoes, is left of a light color, and will spoil the appearance of the top lift and the sale of the shoe; and, further, such a heel will not receive the blacking and polish under the action of the burnisher, as is necessary for first-class work; and, further, the oil will work up through the thin inner soles and soil the stockings.
- the quantity of fresh naphtha may be added for a second immersion of the leather, orv the leather may be squeezed by a suitable squeezing mechanism; and the leather, when removed from the naphtha, is allowed todry.
- the naphtha containing theoil is then separated by distillation, the naphtha passing over and the oil extracted from the leather remaining in the still.
- Figure 1 represents an edge view of a heelblank made from layers of upper leather, a a being the layers of substantially uniform thickness.
- the grain of the upper leather is finer than the grain of the sole-leather, and the heel, when attached to the shoe and trimmed, presents a very smooth surface for the reception of the blacking, and a surface which polishes finely.
- Fig. 2 represents a top view of one of my heels, showing the nail b for holding the lifts together, forming the heel-blank, as an article of commerce.
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
1.1. SAWIN.
Manufacture of Heels and Soles of Boats and Shoes.
Patented ]une1, 18 75.
Wi FITESEEE. IFIVEFI+QY'.: gwwm v Wj/w y/ fia M NI'IED STATES PATENT OFFICE.
JAMES J. SAWIN, OF NATICK, MASSACHUSETTS.
IMPROVEMENT IN THE MANUFACTURE OF HEELS AND SOLES 0F BOOTS AND SHOES.
Specification forming part of LettersPatent No. 163,948, dated J unel, 1875; application filed April 7 To all whom it may concern:
Be it known that I, JAMES J. SAWIN, of N atick, in' the county of Middlesex and State of Massachusetts, have invented an Improvement in the Manufacture of Heels or Soles of Boots and Shoes, and the treatment of leather for the same, of which the following is a specification:
This invention has for its object the manufacture of heelsand soles for boots and shoes of waste strips or scraps of curried and oiled or dressed leather, such as is commonly used for uppers, for harnesses, and for -beltin g; and my invention consists in a process for treating such leather, and for the heelfblank made therefrom as a new article of manufacture.
In the manufacture of boots and shoes there are large quantities of waste leather or scraps of calf-skin, &c., and known as upper leather. This leather is of good quality, and adapted for the manufacture of heels were it not for the oil in the curried and oiled leather. A heel made of lifts of this'oiled leather is not suitable to use in the manufacture of boots and shoes, for the reasonthat the oil from the leather will work through the top lift or the layer at the exposed end of the heel, which, in all first-class shoes, is left of a light color, and will spoil the appearance of the top lift and the sale of the shoe; and, further, such a heel will not receive the blacking and polish under the action of the burnisher, as is necessary for first-class work; and, further, the oil will work up through the thin inner soles and soil the stockings. By this, my invention, the heel-blank made from this waste or scrap, curried and oiled leather, is freed from oil, and the leather is left in the condition of leather simply tanned, or as soleleather, and it will burnish as readily as-a heel made of the best sole-leather. By this, my invention, I am enabled to produce a very cheap heel, and at the same time I am enabled to save the oil in the leather to be reused.
I place the pieces'of oiled leather in a suitable receptacle, and cover them with naphtha or other volatile hydrocarbons or products of petroleum capable of taking up or combining with the oil in the leather, the quantity of fresh naphtha may be added for a second immersion of the leather, orv the leather may be squeezed by a suitable squeezing mechanism; and the leather, when removed from the naphtha, is allowed todry. The naphtha containing theoil is then separated by distillation, the naphtha passing over and the oil extracted from the leather remaining in the still. Instead of immersing the leather as scraps I prefer, first, to die out into the shape of heellifts; and, second, secure such lifts together with a nail ,making a heel-blank, and such blanks of accumulated heel-lifts, when immersed in and removed from the naphtha and dried, are found to be substantially free from oil. Belting-leather may be treated in this way, and it is then fitted for soles; and oiled leather so treated is adapted for filling between the soles and for inner soles. Turpentine may be used instead of naphtha, but it will not operate as well, and would be more expensive.
Figure 1 represents an edge view of a heelblank made from layers of upper leather, a a being the layers of substantially uniform thickness. The grain of the upper leather is finer than the grain of the sole-leather, and the heel, when attached to the shoe and trimmed, presents a very smooth surface for the reception of the blacking, and a surface which polishes finely.
Fig. 2 represents a top view of one of my heels, showing the nail b for holding the lifts together, forming the heel-blank, as an article of commerce.
I claim 1. In the process of manufacturing heels from curried and oiled leather, the immersion of the oiled leather to form the lifts in naphtha In testimony whereof I have signed my or other volatile hydrocarbons, substantially name to this specification in the presence of two subscribing Witnesses. I
JAMES J. SAWIN.
as described.
2. As a new article of manufacture, a heelblank made from lifts or layers of scrap upper Witnesses:
leather with the oil extracted, substantially as G. W. GREGORY,
' S. B. KIDDER.
described.
Publications (1)
Publication Number | Publication Date |
---|---|
US163948A true US163948A (en) | 1875-06-01 |
Family
ID=2233357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US163948D Expired - Lifetime US163948A (en) | Improvement in the manufacture of heels and soles of boots and shoes |
Country Status (1)
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US (1) | US163948A (en) |
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- US US163948D patent/US163948A/en not_active Expired - Lifetime
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