US122925A - Improvement in water-proof composition shanks for boots and shoes - Google Patents
Improvement in water-proof composition shanks for boots and shoes Download PDFInfo
- Publication number
- US122925A US122925A US122925DA US122925A US 122925 A US122925 A US 122925A US 122925D A US122925D A US 122925DA US 122925 A US122925 A US 122925A
- Authority
- US
- United States
- Prior art keywords
- water
- boots
- shoes
- shanks
- improvement
- 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
- 210000001699 lower leg Anatomy 0.000 title description 24
- 239000000203 mixture Substances 0.000 title description 12
- 239000004568 cement Substances 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000002657 fibrous material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 240000000218 Cannabis sativa Species 0.000 description 4
- 239000000899 Gutta-Percha Substances 0.000 description 4
- 229920000588 Gutta-percha Polymers 0.000 description 4
- 240000000342 Palaquium gutta Species 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 2
- 240000006962 Gossypium hirsutum Species 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 2
- 235000004431 Linum usitatissimum Nutrition 0.000 description 2
- VXMKYRQZQXVKGB-CWWHNZPOSA-N Tannin Chemical compound O([C@H]1[C@H]([C@@H]2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)O[C@H]([C@H]2O)O1)O)C(=O)C1=CC(O)=C(O)C(O)=C1 VXMKYRQZQXVKGB-CWWHNZPOSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 235000012765 hemp Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000012766 marijuana Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001864 tannin Polymers 0.000 description 2
- 235000018553 tannin Nutrition 0.000 description 2
- 239000001648 tannin Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/42—Filling materials located between the insole and outer sole; Stiffening materials
Definitions
- my invention consists of amolded shank, suitable for boots or shoes, made of fibrous materials united by a waterproof cement.
- the fibrous materials employed may be paperpulp, leather scraps, cotton, flax, hemp, tow, grass, shoddy, Manila, or any other suitable fiber or mixture of them.
- the cement used may be any water-proof cement that is not too brittle when combined with the fiber or pulp.
- the harder gums When the harder gums are used they may be toughened by combining with the softer and more elastic gums and resins.
- the fibrous material is first disintegrated, so as to form a pulp, by machinery suitable to the particular fiber used. It is then mixed with sufficient cement to render the mass plastic and capable of being molded, and so as to fill the pores and render the shank, when made, water-proof.
- a composition water-proof shank for boots and shoes made by combining a fibrous pulp with a water-proof cement, either with or without a steel or other spring, all substantially as set forth.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
UNITED STATES -WILLIAM H. TOWERS, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN WATER-PROOF COMPOSITION SHANKS FOR BOOTS AND SHOES.
Specification forming part of Letters Patent No. 122,925, dated January 23, 1872. I
To all whom it may concern:
Be it known that I, VVILLIAM H. TowERs, of Boston, in the county of Suffolk and State of Massachusetts, have made a new and useful Improvement in Water-Proof Composition Shanks for Boots and Shoes; and I hereby declare the following to be a full and exact description of the same.
In the manufacture of boots and shoes it is usual to place a piece called the shank between the inner and outer sole, so as to fill up the space and give the proper shape to the bottom of the boot or shoe. This shank is usually made of pieces of leather tacked together and cut to the proper form. To do this requires considerable labor and skill. It has also been proposed to mold the shank from rubber or gutta-percha; also, to fashion it from wood, steel, and other hard substances. These are either too costly or too rigid to give the proper spring to the bottom of the boot or shoe. It has also been proposed to use .paper or paper pulp. This looked well, and the shoes and boots made with it sold well enough, but as soon as wet the composition swelled and became disintegrated, so as to render the boot or shoe bottom unsightly and almost worthless, to the great injury of the wearer and to the loss of reputation of the manufacturer.
It is the object of my invention to produce a shank for boots and shoes which, while much cheaper than the handmade shank of bootleather, shall be equally or more durable and serviceable. To this end my invention consists of amolded shank, suitable for boots or shoes, made of fibrous materials united by a waterproof cement.
The fibrous materials employed may be paperpulp, leather scraps, cotton, flax, hemp, tow, grass, shoddy, Manila, or any other suitable fiber or mixture of them. The cement used may be any water-proof cement that is not too brittle when combined with the fiber or pulp. When the harder gums are used they may be toughened by combining with the softer and more elastic gums and resins.
In preparing the shank the fibrous material is first disintegrated, so as to form a pulp, by machinery suitable to the particular fiber used. It is then mixed with sufficient cement to render the mass plastic and capable of being molded, and so as to fill the pores and render the shank, when made, water-proof.
For the cement I prefer to use rubber, guttapercha, or any of the allied gums or their solutions. Other gums and cement may be used. Gelatine or glue may be employed, but should be rendered water-proof by treatment with tannin or its equivalent.
I do not bind myself to any particular kind of water-proof cement, for any one that is sufficiently adhesive and tough and is water-proof will serve to carry out my invention.
When additional elasticity or spring is required in the shank I insert in the center a steel wire or spring, or any other suitable stiff springy material.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, 1s
A composition water-proof shank for boots and shoes made by combining a fibrous pulp with a water-proof cement, either with or without a steel or other spring, all substantially as set forth.
WM. H. TOWERS.
Witnesses:
H. S. THAYER, J 0s. H. WHITMAN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US122925A true US122925A (en) | 1872-01-23 |
Family
ID=2192362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US122925D Expired - Lifetime US122925A (en) | Improvement in water-proof composition shanks for boots and shoes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US122925A (en) |
-
0
- US US122925D patent/US122925A/en not_active Expired - Lifetime
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