US910770A - Resilient flexible conduit. - Google Patents

Resilient flexible conduit. Download PDF

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Publication number
US910770A
US910770A US39474907A US1907394749A US910770A US 910770 A US910770 A US 910770A US 39474907 A US39474907 A US 39474907A US 1907394749 A US1907394749 A US 1907394749A US 910770 A US910770 A US 910770A
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Prior art keywords
conduit
flexible conduit
resilient flexible
strand
woven
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US39474907A
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Ulysses S Armstrong
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer

Definitions

  • This invention relates to improvements in flexible conduits.
  • the object of the invention is to rovide a flexible conduit constructed in suc manner as to recover its original form after being flattened.
  • a further object is to provide a conduit of this character which will be waterproof, noncombustible, and a non-conductor of electricity.
  • Figure 1 is a side view of a'short section of conduit constructed in accordance with the invention, the ends of the strands being shown separated at one end of the section to illustrate the formation of'the conduit;
  • Fig. 2 is a cross sectional view of the conduit;
  • Fig. 3 is a view similar to Fig. 1, showing a modified form and arrangement of the strands; and
  • Fig. 4 is a cross sectibnal view of the same.
  • 1 denotes the conduit, which consists of an inner tube, 2, the core or body ortion of which is constructed of braide or woven wire, 3, each individual strand of which is incased in a suitable fibrous material, 4, which is preferably of fireindividual wire incased in a suitable noncombustible fibrous material, 7, as shown.
  • the inner surface of the tube 2 has ap lied thereto or is treated with a non-frictional element, such as French chalk, or the like, and, if desired, the outer side of the casing 5, as well as the outer side of the tube 2, may be wrapped in a spirally wound wire, 8, thereb lncreasing the strength and resisting qualities of the conduit.
  • a non-frictional element such as French chalk, or the like
  • Figs. 3 and 4 of the drawing is shown a slightly modified construction of the tube and casings, the inner tube being shown in this instance as consisting of a body portion formed of woven or braided wire, 9, each strand of which is alternated with a strand of fibrous material, 10, while the outer casing consists of a body portion formed of woven or braided wire, 12, each strand of which is alternated with a strand of fibrous material, 13.
  • a flexible resilient construction is produced, which will resume its original sha s after being flattened, and which may be cut or turned in any direction.
  • a flexible, resilient conduit comprising an inner tube formed of woven or braided wire, and a non-combustible fiber, a nonfrictional material arranged on the inner side of said tube, an outer casing or covering formed of woven or braided wire and a noncombustible fiber, and a coating of a suitable saturating and vulcanizing solution sprinkled with powdered mica, substantially as described.
  • a flexible resilient conduit comprising an inner tube formed of braided or woven wire, each strand of which is incased in a non-combustible fibrous covering, and an outer casing formed of braided wire, each strand of whichis incased in a non-combusti ble covering, a coating on the outer surface my hand in presence of two subscribing witof said casing, said coatmg conslstmg of a nesses.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Description

U. S. ARMSTRONG.
RESILIENT FLEXIBLE GONDUIT. APPLIGATION FILED SEPT. 26, 1907.
Patented Jan. 26 1909.
Z w fig w i E Z i w Q l n n a l w M 0.0 7M a a 0 W4 1 9 2% ULYSSES S. ARMSTRONG, OF NEW,KENSINGTON, PENNSYLVANIA.
nnsmnmr rnnxmnn connurr.
Specification of Letters Patent.
Patented Jan. 26, 1909.
Application filed September 26, 1907. Serial No. 894,749.
To all whom it ma concern: Be it known t at I ULYSSES S. ARM- STRONG a ci i-zen of the limited States, residin in New Kensington, in the county of estmoreland and State of Pennsylvania, have invented certain new and useful Improvements in Resilient Flexible Conduits; and I do 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.
This invention relates to improvements in flexible conduits.
The object of the invention is to rovide a flexible conduit constructed in suc manner as to recover its original form after being flattened.
A further object is to provide a conduit of this character which will be waterproof, noncombustible, and a non-conductor of electricity.
With these objects in view, the invention consists of certain novel features of construction, combination and arrangement of parts as will be more fully described and particularly pointed out in the a pended claims. I
In the accompanying rawings, Figure 1 is a side view of a'short section of conduit constructed in accordance with the invention, the ends of the strands being shown separated at one end of the section to illustrate the formation of'the conduit; Fig. 2 is a cross sectional view of the conduit; Fig. 3 is a view similar to Fig. 1, showing a modified form and arrangement of the strands; and Fig. 4 is a cross sectibnal view of the same.
Referring more particularly to Figs. 1 and 2 of the drawings, 1 denotes the conduit, which consists of an inner tube, 2, the core or body ortion of which is constructed of braide or woven wire, 3, each individual strand of which is incased in a suitable fibrous material, 4, which is preferably of fireindividual wire incased in a suitable noncombustible fibrous material, 7, as shown.
The inner surface of the tube 2 has ap lied thereto or is treated with a non-frictional element, such as French chalk, or the like, and, if desired, the outer side of the casing 5, as well as the outer side of the tube 2, may be wrapped in a spirally wound wire, 8, thereb lncreasing the strength and resisting qualities of the conduit.
In Figs. 3 and 4 of the drawing is shown a slightly modified construction of the tube and casings, the inner tube being shown in this instance as consisting of a body portion formed of woven or braided wire, 9, each strand of which is alternated with a strand of fibrous material, 10, while the outer casing consists of a body portion formed of woven or braided wire, 12, each strand of which is alternated with a strand of fibrous material, 13.
In either of the constructions herein described and shown, all mesh or spaces in the construction of either the inner tube or the casings are filled in with a suitable insulating compound or paste, and, if desired, a coating of asphaltum or other saturating combination may be applied, over which 1s sprinkled powdered mica, or substances of a similar nature.
By forming a conduit as herein shown and described, a flexible resilient construction is produced, which will resume its original sha s after being flattened, and which may be cut or turned in any direction.
Having thus fully described my invention, what I claim as new and desire to secure by Letters-Patent, is:
1. A flexible, resilient conduit comprising an inner tube formed of woven or braided wire, and a non-combustible fiber, a nonfrictional material arranged on the inner side of said tube, an outer casing or covering formed of woven or braided wire and a noncombustible fiber, and a coating of a suitable saturating and vulcanizing solution sprinkled with powdered mica, substantially as described.
2. A flexible resilient conduit comprising an inner tube formed of braided or woven wire, each strand of which is incased in a non-combustible fibrous covering, and an outer casing formed of braided wire, each strand of whichis incased in a non-combusti ble covering, a coating on the outer surface my hand in presence of two subscribing witof said casing, said coatmg conslstmg of a nesses.
saturating and vulcanizin solution having sprinkled thereon powdere mica, and a non- ULYSSES ARMSTRONG 5 frictional lining arranged in said inner tube, Witnesses:
substantially as described. C. H. ALLMAN,
In testimony whereof I have hereunto set CHAS. A. FLACK.
US39474907A 1907-09-26 1907-09-26 Resilient flexible conduit. Expired - Lifetime US910770A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829671A (en) * 1954-07-15 1958-04-08 Us Rubber Co Reinforced hose
US5526849A (en) * 1990-12-12 1996-06-18 Gray; William R. Flexible duct

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829671A (en) * 1954-07-15 1958-04-08 Us Rubber Co Reinforced hose
US5526849A (en) * 1990-12-12 1996-06-18 Gray; William R. Flexible duct

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