US733588A - Piston-rod and valve-stem packing. - Google Patents

Piston-rod and valve-stem packing. Download PDF

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Publication number
US733588A
US733588A US15741503A US1903157415A US733588A US 733588 A US733588 A US 733588A US 15741503 A US15741503 A US 15741503A US 1903157415 A US1903157415 A US 1903157415A US 733588 A US733588 A US 733588A
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Prior art keywords
ring
piston
valve
packing
rod
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Expired - Lifetime
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US15741503A
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Joseph Janda
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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
    • F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
    • F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal

Definitions

  • This invention relates to packings for piston-rods and valve-stems, and it has for its object to provide a packing which will be held by steam-pressure in even contact at all points with the adjacent wearing-surface, so that even wearing and consequent long life of the packing will be insured.
  • a further object of the invention is to provide a packing which will insure steam-tight joints under all conditions.
  • Figure 1 is a perspective View of a complete packing-ring.
  • Fig. 2 is a perspective view of one section of the packing-ring.
  • Fig. 3 is a section taken longitudinally through a stuffing-box equipped with a packing embodying the present invention.
  • a packing-ring having the general shape of the frustum of a cone, having a cylindrical axial passage 5 therethrough, and in the outer face of which ring are formed arc-shaped pockets 6, which extend from the bottom of the ring upwardly throughout a portion of its height, these pockets opening through the bottom face of the ring, as illustrated.
  • the ring is divided into three sections '7, S, and 9, in each of which is formed one of the pockets 6, each of the sections being of segmental shape and all of the sections having the same dimensions.
  • a packing ring comprising segmental sections movable radially toward and away from each other, each of the sections having a pocket in its outer face, opening through the same end of the ring.
  • a piston-ring comprising segmental sections having their ends connected by halving, each of the sections having a pocket in its outer face opening the same end of the ring.
  • a packing-ring of frusto-conical form having a cylindrical axial passage, said ring consisting of segmental sections which are halved at their ends or radial sliding movement with respect to each other, each of the sections having a steam-receiving pocket in its outer face opening through the major end of the ring and terminating short of the minor end of the ring.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Description

PATENTED JULY 14, 1903.
J. JANDA. PISTON ROD AND VALVE STEM PAC KING.
APPLICATION FILED MAY 16, 1903.
N0 MODEL.
q vi-tme'om Patented July 14, 1903.
PATENT OFFICE.
JOSEPH JANDA, OF PORTAGE, WISCONSIN.
PISTON-ROD AND VALVE-STEM PACKING.
SPECIFICATION forming part of Letters Patent No. 733,588, dated July 14, 1903..
Application filed May 16, 1903. Serial No. 157,415. (No model.)
To all whom it may concern.-
3e it known that I, JOSEPH JANDA, a citizen of the United States, residing at Portage, in the county of Columbia, State of W'isconsin, have invented certain new and useful Improvements in Piston-Rod and Valve-Stem Packing; and I dohereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to packings for piston-rods and valve-stems, and it has for its object to provide a packing which will be held by steam-pressure in even contact at all points with the adjacent wearing-surface, so that even wearing and consequent long life of the packing will be insured.
A further object of the invention is to provide a packing which will insure steam-tight joints under all conditions.
In the drawings forming a port-ion of this specification, and in which like numerals of reference indicate similar parts in the several views, Figure 1 is a perspective View of a complete packing-ring. Fig. 2 is a perspective view of one section of the packing-ring. Fig. 3 is a section taken longitudinally through a stuffing-box equipped with a packing embodying the present invention.
Referring now to the drawings, there is shown a packing-ring having the general shape of the frustum of a cone, having a cylindrical axial passage 5 therethrough, and in the outer face of which ring are formed arc-shaped pockets 6, which extend from the bottom of the ring upwardly throughout a portion of its height, these pockets opening through the bottom face of the ring, as illustrated. The ring is divided into three sections '7, S, and 9, in each of which is formed one of the pockets 6, each of the sections being of segmental shape and all of the sections having the same dimensions. To connect the sections of the ring they are halved vertically at their ends, the cut-away portion at one end of each section being at what is the minor end of the cone, while the cut-away portion at the opposite end of the section is at what isthe major end of the cone, this halving not only pertoward each other, so that they will tightly encircle the piston-rod or valve-stem and positively prevent any leakage of steam. As the steam-pressure will of course be the same in all three pockets, the sections of the ring will be forced inwardly, or toward each other, with the same degree of pressure, so that the same wear will occur against each of the sections.
It will be understood that in practice modifications of the specific construction shown.
may be made and that any suitable material and proportion may be used for the various parts without departing from the spirit of the invention.
What is claimed is- 1. A packing ring comprising segmental sections movable radially toward and away from each other, each of the sections having a pocket in its outer face, opening through the same end of the ring.
2. A piston-ring comprising segmental sections having their ends connected by halving, each of the sections having a pocket in its outer face opening the same end of the ring.
3. A packing-ring of frusto-conical form having a cylindrical axial passage, said ring consisting of segmental sections which are halved at their ends or radial sliding movement with respect to each other, each of the sections having a steam-receiving pocket in its outer face opening through the major end of the ring and terminating short of the minor end of the ring.
In testimony whereof I affix my signature in presence of two witnesses.
JOSEPH JANDA,
Witnesses:
LOUIS SCHULTZ, FRED W". MILLER.
US15741503A 1903-05-16 1903-05-16 Piston-rod and valve-stem packing. Expired - Lifetime US733588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15741503A US733588A (en) 1903-05-16 1903-05-16 Piston-rod and valve-stem packing.

Applications Claiming Priority (1)

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US15741503A US733588A (en) 1903-05-16 1903-05-16 Piston-rod and valve-stem packing.

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US733588A true US733588A (en) 1903-07-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682002A (en) * 1995-10-26 1997-10-28 Asea Brown Boveri Ag Screwed instrumentation fitting
US20120098211A1 (en) * 2010-10-22 2012-04-26 General Electric Company Seal apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682002A (en) * 1995-10-26 1997-10-28 Asea Brown Boveri Ag Screwed instrumentation fitting
US20120098211A1 (en) * 2010-10-22 2012-04-26 General Electric Company Seal apparatus
US8348280B2 (en) * 2010-10-22 2013-01-08 General Electric Company Seal apparatus

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