US875414A - Rifle dredge-pipe. - Google Patents

Rifle dredge-pipe. Download PDF

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Publication number
US875414A
US875414A US33179406A US1906331794A US875414A US 875414 A US875414 A US 875414A US 33179406 A US33179406 A US 33179406A US 1906331794 A US1906331794 A US 1906331794A US 875414 A US875414 A US 875414A
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Prior art keywords
pipe
rifle
dredge
sand
dredging
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Expired - Lifetime
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US33179406A
Inventor
George Dickson
Miles Mckinnon
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Priority to US33179406A priority Critical patent/US875414A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers

Definitions

  • Our invention relates to pipes for dredging machines primarily but may be used in connection with any conveyer pipe and it consists in rifling the pipe.
  • Figure l is a side elevation of the pipe embodying our invention.
  • Fig. 2 is an end view of the same.
  • l represents a dredging pipe of suitable construction made in section which may be riveted or otherwise secured together.
  • the body of the spiral may be regulated according to the material to be passed through the pipe.
  • the object of my invention and the effect of the spiral 2 is to give the water a rotary whirling and progressive motion which carries with it the sand and causes the sand to be thoroughly mixed. and flow freely through the long line of pipe under a low pressure.
  • a conducting pipe provided with a radial spiral vane or rib.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Description

No. 875,414. PATENTED DEG. 31.1907.
- G. DIGKSON & M. MUKINNON.
RIFLE DRBDGE PIPE.l
APPLIOATION FILED AUG. 23, 1906.
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GEORGE DICKSON AND MILES MCKINNON, OF SACRAMENTO, CALIFORNIA.
RIFLE DREDGE-PIPE.
Specification of Letters Patent.
Patented Dec. 31, 1907.
Application led August 23, 1906. Serial No. 331,794.
T o all whom it may concern:
Be it known that we, GEORGE DroKsoN and MILES MoKiNNoN, citizens of the United States, residing at Sacramento, in the county of Sacramento and State of California, have invented certain new and useful Improvements in Rifle Dredge-Pipes, of which the following is a specification.
Our invention relates to pipes for dredging machines primarily but may be used in connection with any conveyer pipe and it consists in rifling the pipe.
In the drawings, Figure l is a side elevation of the pipe embodying our invention. Fig. 2 is an end view of the same.
l represents a dredging pipe of suitable construction made in section which may be riveted or otherwise secured together.
2 is a rib of angle iron secured spirally within the pipe by means of suitable rivets 3. The body of the spiral may be regulated according to the material to be passed through the pipe.
Heretofore, in dredging it has been found where the matter is passed through a pipes that sand and other heavy material settle, in the bottom of the pipe and the water passes over it, whereby the sand nally accumulates to such an extent as to reduce the capacity7 of the pipe.
The object of my invention and the effect of the spiral 2 is to give the water a rotary whirling and progressive motion which carries with it the sand and causes the sand to be thoroughly mixed. and flow freely through the long line of pipe under a low pressure.
The spiral path given the dredging Within the pipe not only prevents the settling of sand and other heavy matter in the bottom of the pipe but accelerates the movement of the dredging matter through the pipe. Therefore, a further advantage resulting from such construction is that the capacity of the machine is materially increased. The spiral course given the dredging matter does not increase the friction in the pipe but on the contrary, it has been found that, if any thing, the friction is reduced as the full oapacity of the pipe can at all times be utilized for the passage of the material. With the pipe formerly in use, as above stated, the sand or other heavy material would settle to the bottom of the pipe, which as would be readily understood, decreases the diameter of the pipe, thereby increasing the friction of the matter passing through the pipe.
Ihile we have shown the rib as consisting of angle iron, it is of course obvious that any suitable rib may be employed and in fact may be cast or formed integral with the pipe.
It is, of course, obvious that our rified conveyer pipe may be used to convey various materials and substances.
Having now described our invention, what we claim is A conducting pipe provided with a radial spiral vane or rib.
In testimony whereof we affix our signatures in presence of two witnesses.
GEORGE DICKSON. MILES MCKINNON.
Witnesses:
A. B. REYNOLDS, HERBERT CLARKE.
US33179406A 1906-08-23 1906-08-23 Rifle dredge-pipe. Expired - Lifetime US875414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US33179406A US875414A (en) 1906-08-23 1906-08-23 Rifle dredge-pipe.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33179406A US875414A (en) 1906-08-23 1906-08-23 Rifle dredge-pipe.

Publications (1)

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US875414A true US875414A (en) 1907-12-31

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Family Applications (1)

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US33179406A Expired - Lifetime US875414A (en) 1906-08-23 1906-08-23 Rifle dredge-pipe.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313577A (en) * 1965-03-15 1967-04-11 Wolfe Samuel Edmund Method and apparatus for transporting slurries
US3314734A (en) * 1964-09-03 1967-04-18 Imp Tobacco Co Ltd Pneumatic conveyors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314734A (en) * 1964-09-03 1967-04-18 Imp Tobacco Co Ltd Pneumatic conveyors
US3313577A (en) * 1965-03-15 1967-04-11 Wolfe Samuel Edmund Method and apparatus for transporting slurries

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