US778635A - Rod-packing. - Google Patents

Rod-packing. Download PDF

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Publication number
US778635A
US778635A US19714004A US1904197140A US778635A US 778635 A US778635 A US 778635A US 19714004 A US19714004 A US 19714004A US 1904197140 A US1904197140 A US 1904197140A US 778635 A US778635 A US 778635A
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Prior art keywords
packing
rings
rod
gland
case
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Expired - Lifetime
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US19714004A
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Charles Lee Cook
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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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/182—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with lubricating, cooling or draining means

Definitions

  • This invention relates to improvements in packings for piston-rods and shaftings of all descriptions, the object being to provide a metallic packing' of novel construction that will electually prevent the escape and consequent waste of steam or other motive agent.
  • Figure l is a longitudinal section of a rodpacking embodying my invention
  • Eig. 2 is a section on the line 2 2 of Fig. l.
  • 5 designates a packing-case having a gland 6 and being joined at l5, both of which form a guide for the rod or shaft I eral play.
  • the end walls of the packing-case and gland are beveled or inclined, as indicated at 8, and engaging' with the end walls are segmental packing-rings 9, which are substantially triangular in cross-section or corresponding at their outer sides to the end walls 8.
  • Also engaging with the end walls and with the rings 9 are the inner packing-rings l0.
  • the packing-rings I0 are beveled on their inner surfaces, and these inner surfaces are engaged with correspondingly-shaped outer surfaces of pressure-rings l1.
  • the rings 8 and l0 consist of Babbitt metal; but they may be made of brass or other suitable metal without departing from the spirit of my invention.
  • a rod-packing comprising a packingcase and gland, packing-rings arranged in the case, and a steam-port leading into the case for admitting steam for forcing the packingrings outward and forming a steam seal.
  • a rod-packing comprisingapacking-casing and gland having inclined interior end walls, packing-rings conformed to said end walls, inner rings engaging with said walls and with the first-named rings, the said inner rings being beveled on their inner surfaces, pressure-rings conformed to the incline of the inner rings and engaging therewith, and means for admitting steam between said pressurerings to force the rings outward.
  • Arod-packing comprisingapacking-case and gland, packing rings arranged in the packing-case and gland, a spring for pressing the rings toward the end of the case and gland, and a steam-port leading into the case between the rings whereby entering steam will force the rings outward.
  • a rod-packing for a stuiEng-box having a packing-ease and gland forming a guide for the rod, a port extended through the wall of the packing-case and gland, and into the annular chamber of the packing-case, packingrings arranged in the case and gland, and a spring pressing said rings toward the ends of the case and gland.
  • a rod-packing comprising a packingcase and gland, packing-rings arranged in the case and gland around the rod, and means for admitting steam to press the rings toward the ends of the packing-case and gland, forming a steam seal.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)

Description

UNITED STATES CHARLES LEE COOK, OF LOUISVILLE, KENTUCKY.
ROD-PACKING.
SPECIFICATION forming part of Letters Patent No. 778,635, dated December 2'?, 1904. Application filed March 8, 1904. Serial No. 197,140.
Be it known that I, CHARLES LEE CooK, a citizen of the United States, and a resident of Louisville,in the county of Jeerson and State of Kentucky, have invented a new and Improved Rod-Packing, of which the following is a full, clear, and eXact description.
This invention relates to improvements in packings for piston-rods and shaftings of all descriptions, the object being to provide a metallic packing' of novel construction that will electually prevent the escape and consequent waste of steam or other motive agent.
I will describe a rod-packing embodying my invention and then point out the novel features in the appended claims.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding' parts in both the figures.
Figure l is a longitudinal section of a rodpacking embodying my invention, and Eig. 2 is a section on the line 2 2 of Fig. l.
Referring' to the drawings, 5 designates a packing-case having a gland 6 and being joined at l5, both of which form a guide for the rod or shaft I eral play. The end walls of the packing-case and gland are beveled or inclined, as indicated at 8, and engaging' with the end walls are segmental packing-rings 9, which are substantially triangular in cross-section or corresponding at their outer sides to the end walls 8. Also engaging with the end walls and with the rings 9 are the inner packing-rings l0. The packing-rings I0 are beveled on their inner surfaces, and these inner surfaces are engaged with correspondingly-shaped outer surfaces of pressure-rings l1. These rings ll are forced longitudinally outward, and consequently force the rings 9 and l() longitudinally outward, by means of a coiled spring l2. Therefore the rings 9 and 10 are compressed tothe rod or shaft. The several rings are further pressed outward by means of steam passing from a suitable source of supply through a port 13, formed in the wall of the casing. From the said port the steam passes into an annular chamber 14, and thus forms a steam seal which is impervious to the action of vacuum.
and prevent same from lat-- Patented DecemberZ', 1904.
PATENT OEEICEo The rings 8 and l0 consist of Babbitt metal; but they may be made of brass or other suitable metal without departing from the spirit of my invention.
Having thus described my invention, Iclaim as new and desire to secure by Letters Patent` l. A rod-packing comprising a packingcase and gland, packing-rings arranged in the case, and a steam-port leading into the case for admitting steam for forcing the packingrings outward and forming a steam seal.
2. A rod-packing comprisingapacking-casing and gland having inclined interior end walls, packing-rings conformed to said end walls, inner rings engaging with said walls and with the first-named rings, the said inner rings being beveled on their inner surfaces, pressure-rings conformed to the incline of the inner rings and engaging therewith, and means for admitting steam between said pressurerings to force the rings outward.
3. Arod-packingcomprisingapacking-case and gland, packing rings arranged in the packing-case and gland, a spring for pressing the rings toward the end of the case and gland, and a steam-port leading into the case between the rings whereby entering steam will force the rings outward.
4L. A rod-packing for a stuiEng-box, having a packing-ease and gland forming a guide for the rod, a port extended through the wall of the packing-case and gland, and into the annular chamber of the packing-case, packingrings arranged in the case and gland, and a spring pressing said rings toward the ends of the case and gland.
5. A rod-packing comprising a packingcase and gland, packing-rings arranged in the case and gland around the rod, and means for admitting steam to press the rings toward the ends of the packing-case and gland, forming a steam seal.
In testimony whereof I have signed my name to this specification in the presence of two subscribing" witnesses.
CHARLES LEE COOK.
I/Vitnesses':
HoMER W. BATsoN, DENNIS S. SLAUGHTER.
US19714004A 1904-03-08 1904-03-08 Rod-packing. Expired - Lifetime US778635A (en)

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US19714004A US778635A (en) 1904-03-08 1904-03-08 Rod-packing.

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US778635A true US778635A (en) 1904-12-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689145A (en) * 1949-10-22 1954-09-14 Crane Co Stuffing box construction
US4972732A (en) * 1988-11-29 1990-11-27 Trw Inc. Tilt-telescope steering column
US4981049A (en) * 1988-11-29 1991-01-01 Trw Inc. Tilt-telescope steering column

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689145A (en) * 1949-10-22 1954-09-14 Crane Co Stuffing box construction
US4972732A (en) * 1988-11-29 1990-11-27 Trw Inc. Tilt-telescope steering column
US4981049A (en) * 1988-11-29 1991-01-01 Trw Inc. Tilt-telescope steering column

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