US498458A - James callan - Google Patents

James callan Download PDF

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Publication number
US498458A
US498458A US498458DA US498458A US 498458 A US498458 A US 498458A US 498458D A US498458D A US 498458DA US 498458 A US498458 A US 498458A
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callan
james
metal
ribs
tube
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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
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • F16L9/06—Corrugated pipes

Definitions

  • This invention consists in a metal tube having integral with it or forming parts of it externally projecting ribs which run sinuously in the direction of its length, such tubes being not only ornamental vbut having greater stiffness for certain uses than plain tubes of the same Caliber and weight.
  • Figure l represents an external longitudinal view of a piece of tubing constructed aecording to my invention.
  • Fig. 2 represents a transverse section of the same.
  • the tube A has three sinuous ribs a a a running lengthwise 2o of it, but the number is immaterial so far as my invention is considered.
  • the ribs are represented as hollow and their interiors form portions of the interior of the tube.
  • Snell tubing may be of any metal but generally I prefer to make it of duotile metal and to produce its ⁇ sinuous ribs by drawing it through a suitable die to which during the drawing of the tube directly through it, an oscillating movement about its axis is given by any suitable means.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Description

VJ. CALLAN, METAL TUBING (No Model.)
No. 498,458. y Patented May 30, 1893 UNITED STATES PATENT OFFICE.
JAMES CALLAN, OF WATERBURY, CONNECTICUT, ASSIGNOR TO RANDOLPH da CLOWES, OF SAME PLACE.
METAL TUBING.
SPECIFICATION forming part of Letters Patent No. 498,458, dated May 30, 1893. Application filed February 9, 1893. Serial No.461,582. (No model.)
To @ZZ whom it may con/cern:
Be it known that I, JAMES CALLAN, of Vaterbury, in the County of New Haven and State of Connecticut, have invented a new and useful Improvement in Metal Tubing, of which the following is a specification.
This invention consists in a metal tube having integral with it or forming parts of it externally projecting ribs which run sinuously in the direction of its length, such tubes being not only ornamental vbut having greater stiffness for certain uses than plain tubes of the same Caliber and weight.
Figure l represents an external longitudinal view of a piece of tubing constructed aecording to my invention. Fig. 2 represents a transverse section of the same.
In the example represented the tube A has three sinuous ribs a a a running lengthwise 2o of it, but the number is immaterial so far as my invention is considered. The ribs are represented as hollow and their interiors form portions of the interior of the tube. Snell tubing may be of any metal but generally I prefer to make it of duotile metal and to produce its `sinuous ribs by drawing it through a suitable die to which during the drawing of the tube directly through it, an oscillating movement about its axis is given by any suitable means.
What I claim as my invention, and desire to secure by Letters Patent, is
A metal tube having integral with `it eX- ternal ribs running sinuously in the direction of its length, substantially as herein described.
JAMES CALLAN. Witnesses:
FREDK. HAYNEs, CHAS. A, COTTER.
US498458D James callan Expired - Lifetime US498458A (en)

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US498458A true US498458A (en) 1893-05-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919720A (en) * 1955-02-16 1960-01-05 Harold E Nicholls Flexible exhaust extension
US5038834A (en) * 1988-03-08 1991-08-13 Vsl International Ag Encasing tubing having continuous bonding enhancing properties
USD345197S (en) 1991-05-20 1994-03-15 Potter Thomas L Pipe
US20090217879A1 (en) * 2008-02-29 2009-09-03 Jeffrey Weisel Ribbed hose for milk extraction

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919720A (en) * 1955-02-16 1960-01-05 Harold E Nicholls Flexible exhaust extension
US5038834A (en) * 1988-03-08 1991-08-13 Vsl International Ag Encasing tubing having continuous bonding enhancing properties
USD345197S (en) 1991-05-20 1994-03-15 Potter Thomas L Pipe
US20090217879A1 (en) * 2008-02-29 2009-09-03 Jeffrey Weisel Ribbed hose for milk extraction
US7878222B2 (en) * 2008-02-29 2011-02-01 Beverly Sue Weisel Ribbed hose for milk extraction

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