US1712416A - Renewable ring washout plug - Google Patents

Renewable ring washout plug Download PDF

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Publication number
US1712416A
US1712416A US259476A US25947628A US1712416A US 1712416 A US1712416 A US 1712416A US 259476 A US259476 A US 259476A US 25947628 A US25947628 A US 25947628A US 1712416 A US1712416 A US 1712416A
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plug
spindle
ring
renewable
threaded
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US259476A
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Chauncey D Allen
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/22Drums; Headers; Accessories therefor
    • F22B37/221Covers for drums, collectors, manholes or the like
    • F22B37/223Boiler plugs, e.g. for handholes

Definitions

  • the present invention relates to an improved wash-out plug especially used in connection with locomotives, boilers, tanks, drums, barrels and other containers for oil,
  • a type embodying a renewable seating ring that is one which when worn, resulting in an imperfect joint with a bushing sleeve, may be removed and a new one substituted.
  • Another purpose is to provide a renewable ring wash-out plug wherein the plug is threaded to a bushing sleeve secured in the container wall, or directly into the plate of the boiler with squared threads provided, so that a secure, tight joint may be easily and safely made between the engaging seats between the plug and bushing at all times, the aim being to utilize a copper metal ring threaded to a steel section of the plug, by which a secure joint is formed at the outward end of the bushin and plug, dispensing with interposed light mugs and gaskets which are frail and do not have sufficient stock to meet the requirements.
  • Still another purpose is to provide a renewable ring wash-out plug of simple construction and of low commercial cost to meet the requirement of higher pressure through the use of a suitable form and metals, the construction and arrangement thereinafter explained being particularly essential to this type of wash-out plug.
  • Still another purpose is to provide a wrench square or head and spindle of non-corrosive steel threaded from base of wrench square to receive a collar plate of non-corrosive steel.
  • a solid copper ring is also threaded to the spindle and closely fitted to the under side of the steel collar, whereby the solid copper ring is adapted to provide for a close fitting joint with a bushing sle'evel WVhen such copper ring becomes worn it may be easily renewed.
  • Figure l- is a View in side elevation of the improved renewable ring wash-out plug constructed in accordance of the invention.
  • Figure 2- is a'vertical view through the same.
  • Figure 3-- is a bottom plan view showing the means for cleaning out the thread, when the plug is screwed home.
  • Fi 'ure 4 is a view in elevation of a renewable ring wash-out plug, wherein a modified construction is illustrated.
  • Figure 5- is a bottom plan view of Figure 4;, toshow the thread cleaning out means.
  • Figure 6- is a vertical View through Fig ure 4.
  • Figure 7 is a view in side elevation of still another modified form of renewable ring wash-outplug, whereby the ring is permitted to be renewed in an entirely different mannerto that shown in the previous figures.
  • Figure 8- is a vertical sectional view through Figure 7.
  • Figure 9- is a View of certain of the parts of the'form in Figure 8, showing how the end of thespindle of thesquare head is contracted in order to remove the relatively soft copper ring.
  • 1 identifies a wall of a container, such as a locomotive boiler wall or the like, and engaged in the wall is a bushing sleeve 2, there belng suitable threads to insure the proper joint.
  • the sleeve bushing has a seat 3 with which a relatively soft solid copper ring 4 carried by the plug engages.
  • the plug is threaded into the bushing sleeve, using square threads 5, and as shown in Figures 1 to 3 inclusive, the plug comprises a square head 6, a threaded spindle 7, an abutment ring 8, which is threaded upon thespindle 7.
  • This ring 8 as well-as the square head 6 and the spindle 7 may be constructed of any suitable metal preferably steel, and more especially Monel metal, and 9 is the square threaded see-tion of the plug.
  • This section 9 is designed to'be made of any suitable metal preferably Monel, and through the medium of the square'threads engaged into a bushing sleeve.
  • The. section 9 has interior fine threads 10 to engage the fine threads of the spindle 7, and the copper ring 4 may be made any size and shape, preferably the contour shown in the drawing, to provide an engaging seat 11.
  • Thecopper ring on its under face, at a point adjacent. its threaded bore or opening is provided with a counter-sink 12, the bottom of which is beveled to be engaged by means of made'of non-corrosive steel, the spindle to receive an abutment collar 8 of non-corrosive steel, which is followed by the solid copper ring.
  • the copper ring has its lower annular edge so convexedas to seat upon the taper of the sleeve bushing when the plug is secured home, the copper ring can be refa ced extensively if desired and replaced by a new ring, by separating the sections from the spindle, that is, wheii the copper ring is worn out. 7
  • the "copper ring being softer than the engaging steel seat readily makes a tight joint.
  • the plug comprises a spindle 14 1 constructed 'on the sectiong9 of theplug, which section 9" has external square threads 15, which are engaged with the threads of the sleeve bushing.
  • the spindle 14 comprises anenlarged base portion'16 and a reduced extension 17.
  • the soft copper ring 18 is threaded I. onto the base portion 16 9f the spindle, while c0 Q copper ringis counter s'unk on its bottom as at 21 to recelve the annular nose or flange of the abutment collar or rin'g19 threads onto the reduced portion 17.
  • A' square head 20 is also threaded upon the reduced portion 17 of the spindle.
  • the soft the section 9 of the plug, saidafnnular nose or flange 22 biting into the soft copper ring to insure a tight fitting joint.
  • the convexcd edge 23 of the soft copper ring [its tight against the seat of the bushing sleeve.
  • the spindle 24 is carried by the square head 25, with a collar 19 threaded on the spindle and the copper ring 26 interposed between the section 27 of the plug and the-collar, the annular tongue 28 of the section 27 engaging in an annular countersink 29 of the copper ring, the same as in the other constructions.
  • the soft copper ring in this construction may be melted by placing the plug in a melting pot, leaving the steel and Monel metal unharmed. After melting the copper ring, the section 27 may be screwed up toward and against the collar 19", and then by means of a cup tool the hollowed out end of the spindle may be contracted, to permit the section 27 to be removed from the spindle, so that a new copper collar may be applied.
  • a soft metal seat is provided to engage with the container member or bushing sleeve and of such size and structure as to be equal to a solid scat plug and have the advantage over all others, of being renewable when worn out without loss of the rest of the plug.
  • a non-corrosive steel or high tensile metal is used for wrench head and threaded sections, to engage with the bushing,and in such form that they can be manufactured from standard bar stock and are renewable separably and independently.
  • a soft metal seat for making a tight joint is necessary as well as a hard metal or steel point at the base of the wrench square or head as in the above identified application, so that in event of a wreck or accident where the side rod of locomotive or some heavy object strikes theplug' head, it will break ofi instead of pulling out a boiler and allow steam and water to escape and thereby injure people.
  • transverse dowel pin 9 as shown engages through the section 9 and the spindle to secure the parts together.
  • a dowel pin 2U" engages through the head 20 and the reduced portion 17 of the spindle to secure the parts in place.
  • a plug spindle comprising opposed plug members, one of the plug members to engage in a sleeve bushing of a container wall, and a soft copper metal ring interposed between the opposed plug sections.
  • a washout plug comprising a sleeve bushing engaging end portion and a head, removable abutment collar adjacent the head, and a soft copper ring interposed between a sleeve bushing engaging portion and the abutment collar, said copper ring beingrenewable when worn out and provided with an engaging seat to engage with a seat of the bushing sleeve.
  • a wash-out plug comprising a head, a spindle, a plug portion to engage within a sleeve bushing, a removable collar adjacent the head, and a renewable soft metal ring between the plug portion and the abutment collar.
  • a Wash-out plug comprising a head having a spindle, a plug portion operatively carried by the spindle and adapted to engage within a sleeve bushing, an abutment collar operatively engaged on the spindle next to the Ya soft metal ring threaded on the spindle between the collar and the plug portion.
  • a washout plug comprising a head having a spindle, an abutment collar threaded on the spindle adjacent to the head, a soft metal renewable ring threaded on the spindle adjacent the collar, and a plug portion threaded on the spindle adjacent the soft metal renewable ring, said plug portion engaging within the soft metal renewable ring.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dowels (AREA)

Description

y 1929. c. D. ALLEN 1,712,416
RENEWABLE RING WASHOUT PLUG Filed March 6, 1928 2 Sheets-Sheet 1 65 I INVENTOR ATTORNEY 1 G) 1929. c. D. ALLEN RENEWABLE RING WASHOUT PLUG Filed March 6, 1928 2 Sheets-Sheet 2 NTOR Patented May 7, 1929.
GHAUNCEY D. ALLEN, OF PHILADELPHIA, PENNSYLVANIA.
RENEWABLE RING WASHOUT PLUG.
Application filed March 6, 1923. .Scrial No. 259,476.
The present invention relates to an improved wash-out plug especially used in connection with locomotives, boilers, tanks, drums, barrels and other containers for oil,
gasoline, explosive fluids and the like, and
more particularly a type embodying a renewable seating ring, that is one which when worn, resulting in an imperfect joint with a bushing sleeve, may be removed and a new one substituted.
Another purpose is to provide a renewable ring wash-out plug wherein the plug is threaded to a bushing sleeve secured in the container wall, or directly into the plate of the boiler with squared threads provided, so that a secure, tight joint may be easily and safely made between the engaging seats between the plug and bushing at all times, the aim being to utilize a copper metal ring threaded to a steel section of the plug, by which a secure joint is formed at the outward end of the bushin and plug, dispensing with interposed light mugs and gaskets which are frail and do not have sufficient stock to meet the requirements. v i
While this invention is similar in generalities to the construction and arrangement of wash-out plug in the pending application of Chauncey D. Allen, filed May 21, 1927,
Serial No. 193,302, the present invention has for its purpose to improve and render more practical the construction of the plug in said pending application, therefore claim for a new invention is not made where the descrip tion parallels.
Still another purpose is to provide a renewable ring wash-out plug of simple construction and of low commercial cost to meet the requirement of higher pressure through the use of a suitable form and metals, the construction and arrangement thereinafter explained being particularly essential to this type of wash-out plug. Still another purpose is to provide a wrench square or head and spindle of non-corrosive steel threaded from base of wrench square to receive a collar plate of non-corrosive steel. A solid copper ring is also threaded to the spindle and closely fitted to the under side of the steel collar, whereby the solid copper ring is adapted to provide for a close fitting joint with a bushing sle'evel WVhen such copper ring becomes worn it may be easily renewed.
It is to be understood that the particulars herein given are in no way limitative, and that while still keeping within the scope of the invention, any desired modification of details and proportions may be made in the c( nstruction of the appliance according to circumstances.
The invention comprises further features and combination of parts to be hereinafter set forth, shown in the drawings and claimed.
In the drawings: I
Figure l-is a View in side elevation of the improved renewable ring wash-out plug constructed in accordance of the invention. a
Figure 2-is a'vertical view through the same.
Figure 3--is a bottom plan view showing the means for cleaning out the thread, when the plug is screwed home. f
Fi 'ure 4:is a view in elevation of a renewable ring wash-out plug, wherein a modified construction is illustrated.
Figure 5-is a bottom plan view of Figure 4;, toshow the thread cleaning out means.
Figure 6-is a vertical View through Fig ure 4.
Figure 7is a view in side elevation of still another modified form of renewable ring wash-outplug, whereby the ring is permitted to be renewed in an entirely different mannerto that shown in the previous figures.
Figure 8-is a vertical sectional view through Figure 7.
Figure 9-is a View of certain of the parts of the'form in Figure 8, showing how the end of thespindle of thesquare head is contracted in order to remove the relatively soft copper ring.
Referring to the drawings, 1 identifies a wall of a container, such as a locomotive boiler wall or the like, and engaged in the wall is a bushing sleeve 2, there belng suitable threads to insure the proper joint.
The sleeve bushing has a seat 3 with which a relatively soft solid copper ring 4 carried by the plug engages.
The fact is the plug is threaded into the bushing sleeve, using square threads 5, and as shown in Figures 1 to 3 inclusive, the plug comprises a square head 6, a threaded spindle 7, an abutment ring 8, which is threaded upon thespindle 7. This ring 8 as well-as the square head 6 and the spindle 7 may be constructed of any suitable metal preferably steel, and more especially Monel metal, and 9 is the square threaded see-tion of the plug. This section 9 is designed to'be made of any suitable metal preferably Monel, and through the medium of the square'threads engaged into a bushing sleeve.
The. section 9 has interior fine threads 10 to engage the fine threads of the spindle 7, and the copper ring 4 may be made any size and shape, preferably the contour shown in the drawing, to provide an engaging seat 11.
Thecopper ring on its under face, at a point adjacent. its threaded bore or opening is provided with a counter-sink 12, the bottom of which is beveled to be engaged by means of made'of non-corrosive steel, the spindle to receive an abutment collar 8 of non-corrosive steel, which is followed by the solid copper ring.
' The copper ring has its lower annular edge so convexedas to seat upon the taper of the sleeve bushing when the plug is secured home, the copper ring can be refa ced extensively if desired and replaced by a new ring, by separating the sections from the spindle, that is, wheii the copper ring is worn out. 7 The "copper ring being softer than the engaging steel seat readily makes a tight joint. The
I annular counter sink 12 on the bottom of the copper ring receives the upper end or tongue of the section 9. of the plug. The up per end or tongue of the section 9 enters the annular. counter-sink or groove in the bottom of the copper ring and isyturned or screwed home until its outer hard surface compresses into the soft copper ring, thereby making a V tight joint and olding all the sections firm. Referring to Figures 4, 5 and 6 will be noted that the plug comprises a spindle 14 1 constructed 'on the sectiong9 of theplug, which section 9" has external square threads 15, which are engaged with the threads of the sleeve bushing. In this construction the spindle 14 comprises anenlarged base portion'16 and a reduced extension 17. Also in this constructionjthe soft copper ring 18 is threaded I. onto the base portion 16 9f the spindle, while c0 Q copper ringis counter s'unk on its bottom as at 21 to recelve the annular nose or flange of the abutment collar or rin'g19 threads onto the reduced portion 17. A' square head 20 is also threaded upon the reduced portion 17 of the spindle. In this construction the soft the section 9 of the plug, saidafnnular nose or flange 22 biting into the soft copper ring to insure a tight fitting joint. The convexcd edge 23 of the soft copper ring [its tight against the seat of the bushing sleeve.
In Figure 7, 8 and 9 the spindle 24 is carried by the square head 25, with a collar 19 threaded on the spindle and the copper ring 26 interposed between the section 27 of the plug and the-collar, the annular tongue 28 of the section 27 engaging in an annular countersink 29 of the copper ring, the same as in the other constructions.
The difference between this construction and the others herein disclosed is that the lower end of the spindle is exposed at a point 7 adjacent the bottom end of the section 27, the
lower end of the spindle being hollowed out, so as to receive a suitable tool, whereby the wall of the hollowed out end of the spindle may be bolled or swaged outwardly to lock the section 27 to the spindle and thereby hold the copper ring securely between the section 27 and the abutment collar 19".
In order to remove the soft copper ring in this construction, it may be melted by placing the plug in a melting pot, leaving the steel and Monel metal unharmed. After melting the copper ring, the section 27 may be screwed up toward and against the collar 19", and then by means of a cup tool the hollowed out end of the spindle may be contracted, to permit the section 27 to be removed from the spindle, so that a new copper collar may be applied.
From the foregoing it is noted that a soft metal seat is provided to engage with the container member or bushing sleeve and of such size and structure as to be equal to a solid scat plug and have the advantage over all others, of being renewable when worn out without loss of the rest of the plug.
With this combination a non-corrosive steel or high tensile metal is used for wrench head and threaded sections, to engage with the bushing,and in such form that they can be manufactured from standard bar stock and are renewable separably and independently.
A soft metal seat for making a tight joint is necessary as well as a hard metal or steel point at the base of the wrench square or head as in the above identified application, so that in event of a wreck or accident where the side rod of locomotive or some heavy object strikes theplug' head, it will break ofi instead of pulling out a boiler and allow steam and water to escape and thereby injure people.
. As shown in Figures 3 and 5 it is possible to construct the under face of the section 9, 9 or 27 so as to provide means as indicated at 30 and 31 for cleaning out the square threads of the bushing sleeve.
In Figures 1 to 3 inclusive a transverse dowel pin 9 as shown engages through the section 9 and the spindle to secure the parts together. p
In Figures 4,5 and 6 a dowel pin 2U" engages through the head 20 and the reduced portion 17 of the spindle to secure the parts in place.
The invention having been set forth, what is claimed is:
1. In a wash-out plug, a plug spindle, said plug comprising opposed plug members, one of the plug members to engage in a sleeve bushing of a container wall, and a soft copper metal ring interposed between the opposed plug sections.
2. A washout plug comprising a sleeve bushing engaging end portion and a head, removable abutment collar adjacent the head, and a soft copper ring interposed between a sleeve bushing engaging portion and the abutment collar, said copper ring beingrenewable when worn out and provided with an engaging seat to engage with a seat of the bushing sleeve.
3. A wash-out plug comprising a head, a spindle, a plug portion to engage within a sleeve bushing, a removable collar adjacent the head, and a renewable soft metal ring between the plug portion and the abutment collar.
4. A Wash-out plug comprising a head having a spindle, a plug portion operatively carried by the spindle and adapted to engage within a sleeve bushing, an abutment collar operatively engaged on the spindle next to the Ya soft metal ring threaded on the spindle between the collar and the plug portion.
6. A washout plug comprising a head having a spindle, an abutment collar threaded on the spindle adjacent to the head, a soft metal renewable ring threaded on the spindle adjacent the collar, and a plug portion threaded on the spindle adjacent the soft metal renewable ring, said plug portion engaging within the soft metal renewable ring.
7 A wash-out plug oon'iprising a head having a spindle, an abutment collar threaded on the spindle adjacent to the head, a soft metal renewable ring threaded on the spindle adjacent the collar, and a plug portion threaded on the spindle adjacent the soft metal renewable ring, said plug portion ongaging Within the soft metal renewable ring, the extremity of the spindle being hollowed out and adapted to be belled or swaged outwardly to secure the plug portion on the spindle, contracting of said hollowed out port-ion permitting the plug portion to be unscrewed from the spindle.
In testimony whereof he aflixes his signature;
CHAUNCEY D. ALLEN.
US259476A 1928-03-06 1928-03-06 Renewable ring washout plug Expired - Lifetime US1712416A (en)

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