US1483998A - Cup for working valves - Google Patents

Description

mss ws Feb. '19 1924.,

W, J, WALKER CUP FOR WORKING VALVES Filed Nov. 22. 1922 reamed Feb; 19', 19241 means where "valves used in we r f .umrao wlnuem J. wnxnnhr nnanronn, rnrmsrnvnnm, assreuon mimic games, or nnenronnrmtnsvtvenm.

on? non wonKinsna'nvns.

"Application mea'mvemberea1922'. Serial arm-502,569.

To alll'wlzonc it camera:

Be it'kx'f'wn that I, WILLIAMJ. WALKER;

a citizen'of the United "States, residing at Bradford, in the county of McKe'an'. and State of Pennsylvania, have invented cer tain newfizndusefulimprtgvements in Cups for'Working Valves, or which the following visaspecification, reference being had to the p ny a ings This invention relat ias to eups for working It is an'ob'ect of-theinvention to provide afietrp of the working val we' may-he read' y exp 'anded.

It is'a'nother object of the invention to character I wherein anding a cup of the medium, of

the valve from wear due to enormous pres 5 sure.

' With these and other objects in view; the. invention consists in the improved'construction and arrangement of parts to be here,

- drawings, in'which:-.-

' Figure 1 isia view in elevation of a-workcup 7 and beveled face 1. 0

inafter -more particularly described, fully claimedand illustrated in the accompanying in? valve showing I theinvention applied a igure 2 is a sectional view oft e devlce removed "from the valve;

Figure 3 is a perspective view of the ex pandmg rings; and

- Tfo 5 structed preferabl of lead, reinforced with I Figure 4' is 'a fragmentary elevationof an other form of the invention. I

designates a 1 V valve includlurality of cups 6 0 conventional. t is wellknown that these cups, in view of the enormous pressure, particularly at the bottom of th'e'well; wear out ina.

short time, thus reducin the efiiciency of the well,'as well asinter ringwith protection."

In'order to overcome this, disadvantage there. is provided a cup"? which is concoppefwire" so t at the .cup "will readily expand. 'This cup has a relatively large central opening 8, the annular; portion 9 of he bottom of the cup providing a seat for -a,"p'urpcsetobehereinafier described;- The;

xulpger edge 10 of the cup' is inwardlybev-g' 4ee;.' v

- 1 ption. of thecupqInview-Iofi; connection ith the cup 7, a sleeve 11. 1,

,o is provided; the lower edge portion of the sleeve being-rounded. The upper edge of the sleeve is provided with a flange 13.

The n per edge of the sleeve at the junctiono the flange With'the' sleeve is "flared.

' The sleeve is considerably longer than" the cup so thatthe upperpo'rtion'of the sleeve will extend "a considerable distance I above the cup., The lower end of the sleeve isintended torest upon the-seat of the cup 7- and when so disposed thehoreof the sleeve registers with the op enin 8 tos'uhstantiell 'forinaocontinuation'o the slee ve.

In 'or'cr to'expand the cup 7 during the working operation of the valve there is provided tan expanding ring 14, said ringzhav-' irig its outer face 15 downwardly and inwardiy beveled.- Theinncrwallv 16 of the rin is intended to engage theouter wall of-tesleevell. v

"In use, the cup 7 is intended to be applied to the working valve and thesleeve disposed within the cup. It is obvious that when the working valve is under pressure, for instance, when: being drawn upwardly, that the ring. 14 will be urged inwardly cup 7 in view of the beveled ortion 10 ofjthe the ring. This causes thejcup 7, in view of its-flexibility, to

expand, and thus" release the remaining cups of the working valve from a greater por-' tion of the pressure, thus increasingthe ef-" ficienc'y of the device.

In Figure 4, another form of the invenv tion is shown. This formconsists in the application of a spring 17, one end of which is adapted vto engage the upper .face ofthe ring 14;, while the op osite end is intended to engage the l'ower' aceofthe' flange "is, The purpose of thespring is tov assistin v urging the expanding'ring' 14 inwardly ("f5 the'cup 7.-

'From' the 'iforegoing it will be readily seen that this; 'invention' rovides ag-novel form of expanding cap or workin valves ca-I of the 'pablejof 'h'eing used in connectionwith the working valve 'ofany which is .expansible and retractable accordg a s r l s o 'the-materialdlssharge' by thepunip. In

ing to the movement bf the working valve;

This is made possible hy-rthereinfforcingi cbppe'rwire and thelead used in the formaewedge-shaped tormatio the 5311cstantiallyt spendi Mas ring it will he an easy matter for the ring to expand the cup when pressure is applied. to the ring during movement of the working valve, and when the movement of the e ,yelve is reversed, the ring will be readily v oved outwardly of the cup to permit the.

upto'edjust itself; All of these features possessed by adevice which is simple in ionstruction andpompact in form and which,

tional forms of working valves.

' What is claimed is z, v

;. In a cup structure, for working valves Including a piston, a cup arranged upon the 15, piston formed of soft metal reinforced with .w harder metallic wire and adapted to'be v expanded, asleeve on the piston engagingthe.-.,bottom portion of the cup and aspring pressed ring slidable uponthe sleeve and 2 having a beveled surface engaging within capable ofibeing applied to the conven- "at p 1,433,988

the open end of the cup whereby to expand the same.

2. A oup for working valves including a piston, comprising 1 cup of lead having reinforcing. Wire imbedded therein, said cup having its bottom portion formed with an opening through iwhieh the piston passes, the flange of the on flaring outwardly from the bottom thereo a sleeve on the piston fitting against the inside'of the bottom of the cup, and a spring preesed ring slideble on the sleeve and having a beveled surface engaging within the open upper end of the cup. i 3. A cup for working valves formed of lead having copper wire imbedded therein.

' In testimony whereof I hereunto afix my signature.

WILLIAM J. WALKER.

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