US682713A - Construction of tubes from single strips of metal. - Google Patents

Construction of tubes from single strips of metal. Download PDF

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US682713A
US682713A US6882101A US1901068821A US682713A US 682713 A US682713 A US 682713A US 6882101 A US6882101 A US 6882101A US 1901068821 A US1901068821 A US 1901068821A US 682713 A US682713 A US 682713A
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metal
tubes
construction
strip
single strips
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US6882101A
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Thomas Alfred Judge
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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
    • F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/16—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands

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  • My invention relates to tubes, cylinders, or drums constructed from a single continuous strip of metal, such as steel, which shall be of one diameter from end to end, without ribs, rivets, or other interferences with the periphcry, and in which the edges of the strip are supported and united throughout the entire length of the coil.
  • Figure 1 is a view of a cylinder, showing the junction of the coils.
  • Fig. 2 is an end view of same.
  • Fig. 3 represents the inside face of the corrugated and set-down or-stepped strip, on an enlarged scale; and
  • Fig. 4 an end view of same.
  • n1etalsay for example, steel-of the desired length and width
  • I first set it down or form a step A upon it by means of rolls.
  • I then pass it through either a pair of prepared rolls or a press to produce upon the narrow stepped or set-down edge B a series of tapering indentations 0, their projecting convex parts being upon the under side or that part which will be inside the coil.
  • the strip so prepared is 1901. SerialNo. 68,821.
  • NomodeL now passed through a combined coiling-ma chine and bath of molten solder, by means which the edge of the flat part D is coiled upon the set-down part B, abutting against the step A, as indicated in Fig. 4, and the molten solder being admitted to the interior of the first coils as they leave the coiling-machine the junction of the overlapping coils is automatically soldered together.
  • a cylinder, tube, or drum constructed from a strip of metal set down longitudinally on one edge to form a step, such set-down edge crimped or corrugated with tapering grooves, then coiled with the plain edge of the strip abutting against the said step and lying upon the set-down portion, to which it is soldered as hereinbefore described and set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Description

No. 682,713. Patented S ept. l7, I901. T. A. JUDGE.
CONSTRUCTION OF TUBES FROM SINGLE STRIPS 0F METAL.
(Application filed July 18, 1901.) (No Model.)
Fig. l
Fi -4- Fi -5.
Wjiirwtm'm V UNITED STATES PATENT. OFFICE.
THOMAS ALFRED JUDGE, OF SHEFFIELD, ENGLAND.
CONSTRUCTION (IF TUBES FROM SINGLE STRIPS OF METAL.
SLEEGIFICATION formingpart of Letters Patent No. 682,713, dated September 17, 1901.
" Application filed July 18,
To (ZZZ whom it may concern:
Be it known that LTHOMAS ALFRED JUDGE,
a subject of the King of Great Britain, residing in the city of Sheflield, county of York, England, have invented new and useful Improvements in the Construction of Tubes and Cylinders from a Single Strip of Metal, of which the following is a specification.
My invention relates to tubes, cylinders, or drums constructed from a single continuous strip of metal, such as steel, which shall be of one diameter from end to end, without ribs, rivets, or other interferences with the periphcry, and in which the edges of the strip are supported and united throughout the entire length of the coil.
In the annexed drawings, Figure 1 is a view of a cylinder, showing the junction of the coils. Fig. 2 is an end view of same. Fig. 3 represents the inside face of the corrugated and set-down or-stepped strip, on an enlarged scale; and Fig. 4, an end view of same.
In the manufacture of a cylinder according to lnyinvention I takea strip of thin n1etalsay, for example, steel-of the desired length and width, and I first set it down or form a step A upon it by means of rolls. I then pass it through either a pair of prepared rolls or a press to produce upon the narrow stepped or set-down edge B a series of tapering indentations 0, their projecting convex parts being upon the under side or that part which will be inside the coil. The strip so prepared is 1901. SerialNo. 68,821. (NomodeL) now passed through a combined coiling-ma chine and bath of molten solder, by means which the edge of the flat part D is coiled upon the set-down part B, abutting against the step A, as indicated in Fig. 4, and the molten solder being admitted to the interior of the first coils as they leave the coiling-machine the junction of the overlapping coils is automatically soldered together.
I am aware that cylinders have been made prior to my invention from two or more strips.
of metal coiled one upon the other and also from a single strip with a lap-joint, also that such joints have been soldered, and I therefore do not claim cylinders, tubes, or drums constructed by such means, broadly; but
What I do claim as my invention,- and desire to secure by Letters Patent, is-
A cylinder, tube, or drum, constructed from a strip of metal set down longitudinally on one edge to form a step, such set-down edge crimped or corrugated with tapering grooves, then coiled with the plain edge of the strip abutting against the said step and lying upon the set-down portion, to which it is soldered as hereinbefore described and set forth.
In witness whereof I have hereunto set my hand in presence of two witnesses.
THOMAS ALFRED JUDGE. Witnesses:
ROBERT F. DRURY, ENSOR D. DRURY.
US6882101A 1901-07-18 1901-07-18 Construction of tubes from single strips of metal. Expired - Lifetime US682713A (en)

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