US970955A - Tubing. - Google Patents

Tubing. Download PDF

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Publication number
US970955A
US970955A US4283?308A US970955DA US970955A US 970955 A US970955 A US 970955A US 970955D A US970955D A US 970955DA US 970955 A US970955 A US 970955A
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United States
Prior art keywords
tubing
strip
bead
beads
edge
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Expired - Lifetime
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US4283?308A
Inventor
Louis Rubes
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/14Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/16Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands

Definitions

  • This invention rciates to tubing.
  • the objectV in view being to provide a novelr cont0 struction of metal tubing embodying flexibility and fluid or air tight qualitieswhich i'endcr'tlie sanie'especiallv desirable as an air conduit for automobile horns and like vpurposes as well as a container for flexible. 1.'. shutting and the like.
  • the y invention consists in the novel construction, combination and arrangei'nent of parts hereinafter full)1 described, illustrated and claimed.
  • Figure 1 is a view partly in elevation and partly in section, showing metal tubing constructed in accordance rwith the present invention.
  • Fig. 2 is a perspective view of a section of the. metal strip ef which ⁇ the tubing is formed. n f
  • the metal. tubing of this invention is constructed of a continuous strip of inetal t ie strength to be imparted to the finished tubing.
  • the said strip is shown at 1 in Fig. 2 wherein it will be observed that one of the marginal edges of the stri is bent to rf'oi'm a plurality of parallel lio low beads 2 and 3, theouter bead terminating in a curi-ed inbent hook-shaped edged.
  • the other inargin-al ed fe of the strip is bent.
  • the tubing is formed by winding ⁇ the. strip 5G above described' spirally upon itself, as 'clearly illustrated in Fig. 1, so that the hooked or flanged edge 5 falls within the second or innermost hollow bead 3.
  • a flexible metallic tubing vcomprising a helieally wound strip having :i pair of .sub-lA stantiallv similar external hollow helical beads'disposed parallel to ⁇ ach other with their convolutions spaced apart and extending the ftill length of the tubing, one bead thereby preventing dis@ being disposed along one ,edge of the strip and the other bead being disposed internieduite the edges.
  • the iinbeaded edge being forme-dint() :1n outwardly and backwardly l inclined flange spaced from theinterinediate bead at Asuch a distance that the flange on each convolution of the strip will extend into the intermediate bead of the adjacent convol'ution to ⁇ lock the convolutions together, n packing strip set into the edge bead. and a packing strip set into the intermediate bead the said flange throughout its length to coperate with the first packing strip to forni separate and spaced fluidtight joints between the beaded portion of each convolution and the iinbeaded portion ofthe adjacent convolution.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Description

- L RUBBS.
TUBING.
PPLIOATION I'ILBD APR. 21.. 1908.
` Patented sept. 2o, 1910.
v 970,955.vk
.3o of any suitable gage according to 44C hook-shaped edge i pUNiTEi) 'STATES isirnnfr onirica.v`
LOUIS RUBES, F BROOKLYN, NEW YORK.
TUBING.
To all whom. it may concern:
lle it known that, l, Loris Riiiizs. a citi- `zen of the United States, residing at Brooklyn, in the county Vof Kings and State of Xcw York, have invented new and useful Improvements in Tubing, of which the following is a specification. v
This invention rciates to tubing. the objectV in view being to provide a novelr cont0 struction of metal tubing embodying flexibility and fluid or air tight qualitieswhich i'endcr'tlie sanie'especiallv desirable as an air conduit for automobile horns and like vpurposes as well as a container for flexible. 1.'. shutting and the like.
lVith the abovegeneral object in view. the y invention consists in the novel construction, combination and arrangei'nent of parts hereinafter full)1 described, illustrated and claimed. v
In the accompanying drawing. Figure 1 is a view partly in elevation and partly in section, showing metal tubing constructed in accordance rwith the present invention.
Fig. 2 is a perspective view of a section of the. metal strip ef which `the tubing is formed. n f
The metal. tubing of this invention is constructed of a continuous strip of inetal t ie strength to be imparted to the finished tubing. The said strip is shown at 1 in Fig. 2 wherein it will be observed that one of the marginal edges of the stri is bent to rf'oi'm a plurality of parallel lio low beads 2 and 3, theouter bead terminating in a curi-ed inbent hook-shaped edged. The other inargin-al ed fe of the strip is bent. to the opposite side to orin an inwardly inclined flange or It'will further be observed by reference to Figi), that the inbent or lane portion of the strip located in a different plane from the connecting portion 'i' which joins the two hollow parallel beads l and so that when the strip isbent around -upon itself in the manner shown in Fig. 1 the part 7 will lie outside of the part of tbe previous wind or coil.
The tubing is formed by winding` the. strip 5G above described' spirally upon itself, as 'clearly illustrated in Fig. 1, so that the hooked or flanged edge 5 falls within the second or innermost hollow bead 3. Siinul Specification of Letters Patent.
. and engaging Patented Sept. 20, 1910'.
` Application med Aprill, 1908. n Serial No. 428.333.
taneonsly with the spiral winding o'f the strip. strands H and. J of asbestos, wool or other like material are laid in the hollow sides of the beads L and l-and held between said beads and the flat. portion (i of the strip, as clearly shown in Fig. l. This provides a yielding or cushioned connection between the coilsl or windings of the tubing which admits of thc .nccessanv flexibility in the completed tubingr and also guards :'igainst.
the admission of moisture to the interior 0f the Atubingr and at the same time makes the tubing practically air and fluid tight so that it forms an excellent conduit for tbe'puipose specified. metallic interlock is also established between the coils or windings of the tubingr which will `come into effect when excessive linear strain is brought to bear upon the tubing. location of the coils from each other and holding the tubinei as a whole intact.
Having thus'fnly described the. invention. what is claimed as new isz A flexible metallic tubing vcomprising a helieally wound strip having :i pair of .sub-lA stantiallv similar external hollow helical beads'disposed parallel to `ach other with their convolutions spaced apart and extending the ftill length of the tubing, one bead thereby preventing dis@ being disposed along one ,edge of the strip and the other bead being disposed internieduite the edges. the iinbeaded edge being forme-dint() :1n outwardly and backwardly l inclined flange spaced from theinterinediate bead at Asuch a distance that the flange on each convolution of the strip will extend into the intermediate bead of the adjacent convol'ution to` lock the convolutions together, n packing strip set into the edge bead. and a packing strip set into the intermediate bead the said flange throughout its length to coperate with the first packing strip to forni separate and spaced fluidtight joints between the beaded portion of each convolution and the iinbeaded portion ofthe adjacent convolution.
In testimony whereof I aflix my signature in presence of two witnesses.
LOUIS RUBES.
Witnesses:
Tiioiias L. Harmon, HARRY L. dtrirr.
US4283?308A Tubing. Expired - Lifetime US970955A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800928A (en) * 1986-12-26 1989-01-31 Shiro Kanao Flexible pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800928A (en) * 1986-12-26 1989-01-31 Shiro Kanao Flexible pipe

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