US1776524A - Device for ascertaining the expansion of containers as caused by internal pressure - Google Patents

Device for ascertaining the expansion of containers as caused by internal pressure Download PDF

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Publication number
US1776524A
US1776524A US200567A US20056727A US1776524A US 1776524 A US1776524 A US 1776524A US 200567 A US200567 A US 200567A US 20056727 A US20056727 A US 20056727A US 1776524 A US1776524 A US 1776524A
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water
expansion
tube
container
caused
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US200567A
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Kuntz Georgie Etta
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Kuntz Georgie Etta
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing

Description

1,776,524 NG THE EXPANSION OF CONTAINERS E. STURCKE I lNTERNAL PRES SURE Sept. 23, 1930. H
DEVICE FOR ASCERTAIN AS CAUSED BY Filed June 22, 1927 [IVVLNTOR H W m 5. SM
A TOR/VEY Patented Sept. 23, 1930 UNITED sTATes PATENT OFFICE HERMAN E. STURGKE, 0] PORT ORANGE, FLORIDA; GEOBGIE ETTA KUNTZ EXECUTBIX OF SAID HERMAN E.
s'runoxn, nncnnsnn 5 DEVICE FOR ABCEBTAINING THE EXPANSION 0i CONTAINERS A8 CAUSED BY INTERNAL PRESSURE Application filed June 22,
My inventionrelates to a device for ascertaining the expansion of a container as caused by internal pressure, and the ob ect of my. invention is to ascertain this expansion in a water jacket wherein a, constant water level is maintained.
I attain this object by the mechanism illustrated in the accompanying drawing, 1n which-- The figure is a sectional side view of my device.
Similar letters and numerals refer to similar parts throughout the several views.
A is the water jacket; B is the container;
15 C is the closure; 0 is an opening which'c'ould be used, if desired, for a pet cock; D is the holder; E is a pressure supply pipe the lower end of which is threaded on the outside to fit into threads on the inner surface of the openin of container B, and on the inner surface 0 closure 0; F is a rubber cushion or gasket; G is a rubber cushion or gasket; H is an element adapted to hold wide glass tube or other materlal J and also having a hole to conduct water from the interior of water jacket A to the interior of wide glass tube or other material J K is an inner tube of glass, the top of which is preferably, although not necessarily, in exact horizontal alignment with the highest point of the water contained in the inner surface of water jacket A; L is a valve adapted to open or close the inner tube K; M is the zero point for the water in inner tube K; N, O, P, Q, R, S, T, U and V are different points for accurately determining the exact location of the water at various levels above zero point M in inner tube K.
The operation of my device is as follows: The first thing is to pour water into the top of wide glass tube or other material J, and this water will then run through the hole in element H into the water jacket A. And in order to let said water fully fill the water jacket A, the pressure supply pipe E should be lifted up. And this will also lift closure G as well as container B, and thus clear the space between the top of rubber cushion G and the lower surface of closure C. And then all the air will escape from the inside of water jacket A except the air which may be held back by 1927. Serial No. 200,567.
the outer lower form of the container B. And then the pressure sup ly pipe ,E shouldbe let go, whereupon sai closure C will drop down into contact with the top of rubber cushion G, thus eliminating any air from comin into the top of water jacket A, Then va ve L should be 0 ened, whereupon the water in wide glass tu or other material J will drop down through inner tube K, until pressure supply pipe E at any desired ressure, whereupon said pressure supply wi .fill the inside of container B, and this inside pressure will expand the container B, whereu n the water inside of water jacket A wil be partially forced out through the hole in element H, and the water already level with the top of inner tube K will begin to rise higher, and will. thus begin to run down into inner tube K, and will raise the water level from the zero point M to or between an of the other points, N, O, P, Q, R, S, T, And when the water ceases rising, the actual. expansion of container B, by reason of the pressure can be accurately calculated by the rise of the water'in inner tube K above zero point M. I
It will of course be understood that my invention is not limited to the exact form of structure shown as my invention covers any mechanical equivalent thereof which will always hold the water at a constant level in the water jacket A when there is. either any pressure or no pressure inside of container B.
For example instead of raising pressure supply pipe E to let the air escape out of water jacket A, when the water is being fed into water 'acket A, said closure C could be fastened rmly to water jacket A, and said air could be escaped by having a pet cock set at the point C shown.
It will be noted that the inside of inner tube K is of much smaller circumferential or V.
ion
area than the inside of wide tube J, and also of much smaller circumferential area than the water space in water jacket A; and as a 7 result thereof,- when container B is expanded by pressure and creates even a small outflow of water from water jacket A into wide tube J, when this water falls into inner tube K, it will rise considerably higher than it was in' wide tube J, and will thus permit a very accurate calculation of the exact expansion of container I claim: 7 In a device for ascertaining the expansion of a container under internal pressure, a receptacle having an opening through which the container to be tested may be inserted into the receptacle, means wherebythe receptacle opening may be sealed after the container has been inserted into the receptacle and the space in the receptacle outside the container has been filled with liquid, means through which fluid under pressure may be introduced into the container and by which the container may be otherwise sealed, said receptacle having at one side thereof, and communicating there with, an upright liquid receiver open at its top and having a perforation in its bottom through which a lass tube is inserted so that its upper end is elow the upper end of the receiver but as high as the high point reached by the liquid confined in the receptacle, the glass tube extending below the bottom of the receiver and having a valve at its lower end, the protruding portion of thetube having as graduations whereby the contents of the tube may be measured.
RMAN E. STURG till
US200567A 1927-06-22 1927-06-22 Device for ascertaining the expansion of containers as caused by internal pressure Expired - Lifetime US1776524A (en)

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US200567A US1776524A (en) 1927-06-22 1927-06-22 Device for ascertaining the expansion of containers as caused by internal pressure

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821851A (en) * 1954-08-05 1958-02-04 Specialties Dev Corp System for hydrostatically testing containers
US3343404A (en) * 1965-02-10 1967-09-26 Mc Donnell Douglas Corp Non-destructive quick leak tester
CN103267681A (en) * 2013-04-25 2013-08-28 同济大学 Method and device for measuring oil volume elastic modulus
CN106153332A (en) * 2016-09-23 2016-11-23 江西洪都航空工业集团有限责任公司 A kind of ball cover structure pressurising test fixture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821851A (en) * 1954-08-05 1958-02-04 Specialties Dev Corp System for hydrostatically testing containers
US3343404A (en) * 1965-02-10 1967-09-26 Mc Donnell Douglas Corp Non-destructive quick leak tester
CN103267681A (en) * 2013-04-25 2013-08-28 同济大学 Method and device for measuring oil volume elastic modulus
CN106153332A (en) * 2016-09-23 2016-11-23 江西洪都航空工业集团有限责任公司 A kind of ball cover structure pressurising test fixture

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