US697055A - Inner tube for pneumatic tires. - Google Patents

Inner tube for pneumatic tires. Download PDF

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Publication number
US697055A
US697055A US9280302A US1902092803A US697055A US 697055 A US697055 A US 697055A US 9280302 A US9280302 A US 9280302A US 1902092803 A US1902092803 A US 1902092803A US 697055 A US697055 A US 697055A
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tube
pneumatic tires
closure
inner tube
section
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Expired - Lifetime
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US9280302A
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Frank A Wilcox
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/02—Inflatable pneumatic tyres or inner tubes having separate inflatable inserts, e.g. with inner tubes; Means for lubricating, venting, preventing relative movement between tyre and inner tube
    • B60C5/04—Shape or construction of inflatable inserts

Definitions

  • FRANK A WILCOX, OF ERIE, PENNSYLVANIA.
  • My invention relates to inner tubes for pneumatic tires, and particularly to that class of inner tubes which are used within avsheath 'or casing in which the terminals of the inner tube are closed and overlap each other in the tire sheath or casin g.
  • the objects of this invention are to effect the economical and permanent closure of the ends or terminals of such inner tubes without the use of molded caps or other additional parts, so that they will effectually preventthe escape of air therefrom and be adapted to overlap and resist rupture when the tubes are inflated in the tire sheath or casing and in use.
  • Figure 1 shows a plan view of a section of an inner tube flattened and before the closure is efiected.
  • Fig. 2 shows the same, partially in section,with the end thereof folded inward.
  • Fig.3 shows the same,partially in section,with one side of the inward fold cemented to the inside surface of the tube.
  • Fig. 4 shows the same, partially in section, with the adjacent faces of the inward fold cemented together and the closure completed.
  • Fig. 5 shows a sectional View of the closure of the end of the tube when inflated.
  • A indicates a flattened end section of an inner tube, and A the end portion thereof to be turned back into the tube A in forming the closure of the end thereof.
  • One side a of the end A of the flattened tube A is preferably cut away, as illustrated in Fig. 1, so that it is somewhat shorter than the side a.
  • the inside face 13 of the side a is then coated with cement C, after which the end portion A of the tube is turned back into the inside of the tube A approximately to the dotted line D, which brings the cemented surface B adjacent to the inside surface E of the tube A, as illustrated in Fig. 2. Pressure being then applied, the cement C firmly joins the surface B to the adjacent inside surface E of the tube A, as illustrated in Fig. 3.
  • an end closure comprising the end portion there of turned back into the tube, and one side of the inturned portion of the tube cemented to the inner surface of the tube, and the adjacent faces of said inturned portion of the tube then cemented together, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Description

No. 97,055. 7 Patented Apr. 8, I902.
- F. A. WILCOX.
INNER TUBE FDR PNEUMATIC TIRES.
(Application filed Fei). a. 1902. (N o. M o d e I fit UNTTE STATES PATENT OFFICE.
FRANK A. WILCOX, OF ERIE, PENNSYLVANIA.
INNER TUB E FOR PNEUMATIC TIRES.
SPECIFICATION forming part of Letters Patent No. 697,055, dated April 8, 1902.
Application filed February 6, 1902. SerialNo. 92,803- (No model.)
To all whom it may concern.-
Be it known that I, FRANK A. WILcoX, a citizen of the United States, residing at Erie, in the county of Erie and State of Pennsylvania, have invented certain new and useful Improvements in Inner Tubes for Pneumatic Tires; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the ac-, companying drawings, and to the letters of reference marked thereon, forming part of this specification.
My invention relates to inner tubes for pneumatic tires, and particularly to that class of inner tubes which are used within avsheath 'or casing in which the terminals of the inner tube are closed and overlap each other in the tire sheath or casin g.
The objects of this invention are to effect the economical and permanent closure of the ends or terminals of such inner tubes without the use of molded caps or other additional parts, so that they will effectually preventthe escape of air therefrom and be adapted to overlap and resist rupture when the tubes are inflated in the tire sheath or casing and in use.
The features of myimprovement are hereinafter set forth and described, and illustrated in the accompanying drawings, in which Figure 1 shows a plan view of a section of an inner tube flattened and before the closure is efiected. Fig. 2 shows the same, partially in section,with the end thereof folded inward. Fig.3 shows the same,partially in section,with one side of the inward fold cemented to the inside surface of the tube. Fig. 4: shows the same, partially in section, with the adjacent faces of the inward fold cemented together and the closure completed. Fig. 5 shows a sectional View of the closure of the end of the tube when inflated.
In the drawings illustrating my invention, A indicates a flattened end section of an inner tube, and A the end portion thereof to be turned back into the tube A in forming the closure of the end thereof. One side a of the end A of the flattened tube A is preferably cut away, as illustrated in Fig. 1, so that it is somewhat shorter than the side a. The inside face 13 of the side a is then coated with cement C, after which the end portion A of the tube is turned back into the inside of the tube A approximately to the dotted line D, which brings the cemented surface B adjacent to the inside surface E of the tube A, as illustrated in Fig. 2. Pressure being then applied, the cement C firmly joins the surface B to the adjacent inside surface E of the tube A, as illustrated in Fig. 3. Cement being then applied to the adjacent faces F F of the inturned portion A, as shown in Fig. 3, and pressure applied, the faces F F of the inturned portion A of the tube are firmly joined together, as illustrated in Fig. 4, and the closure of the end of the tube completed, the adjacent faces F F of the inturned portion A of the tube being firmly joined together and the surface B of the said inturned part securely joined to the inner surface E of the tube, which completed closure is further illustrated in the inflated section of the tube shown in Fig. 5.
I have described a convenient way of ma nipulating the tube in making my improved closure; but it is obvious that in making this tube-closure the tube can be manipulated in other Ways, if desired. Therefore I do not confine myself to the several steps described in the making of this closure.
Having thus described my invention, so as to enable others to practice the same, what I claim as new, and desire to secure by Letters Patent of the United States, is-
In an inner tube for pneumatic tires, an end closure comprising the end portion there of turned back into the tube, and one side of the inturned portion of the tube cemented to the inner surface of the tube, and the adjacent faces of said inturned portion of the tube then cemented together, substantially as set forth.
In testimony whereof I aflix my signature in presence of two witnesses.
FRANK A. VVILCOX.
Witnesses:
H. M. SrURoEoN, F. J. BASSETT.
US9280302A 1902-02-06 1902-02-06 Inner tube for pneumatic tires. Expired - Lifetime US697055A (en)

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US9280302A US697055A (en) 1902-02-06 1902-02-06 Inner tube for pneumatic tires.

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US9280302A US697055A (en) 1902-02-06 1902-02-06 Inner tube for pneumatic tires.

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US697055A true US697055A (en) 1902-04-08

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