US857388A - Method for testing filled and closed cans. - Google Patents

Method for testing filled and closed cans. Download PDF

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Publication number
US857388A
US857388A US32063906A US1906320639A US857388A US 857388 A US857388 A US 857388A US 32063906 A US32063906 A US 32063906A US 1906320639 A US1906320639 A US 1906320639A US 857388 A US857388 A US 857388A
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Prior art keywords
cans
receptacle
filled
testing
closed cans
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US32063906A
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Edward S Eno
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3245—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device

Definitions

  • the object of this invention is to subject tin cans after they have been filled and closed to the action of 'a partial vacuum whereby the external pressure is partially removed from around the can, which will permit some of the liquid contents to oozeout' through an opening that may be revealed by this met d.
  • Figure 1 is a vertical section of an apparatus 'for carrymg .out my method.
  • Fig. 2 is a horizontal section of the same.
  • Fig. 3 is a perspective view of a can showing the result of my method.

Description

' 'PATBNTED JUNE 18, 1907.
4 B. s. BNO. METHOD FOR TESTING FILLED AND GLOSED CANS.
APPLIOATION FILED JUNE 7.1906.
amma/mid. W m
CLOW T UNITED STATES PATENT OFFICE.
EDWARD S. ENO, ELGIN, ILLINOIS.
METHOD FOR TESTING FILLEDAND CLOSED CANS..
Specification of Letters Patent.
Patented June 18, 1907;
Application filed June 7, 1906. Serial K0. 320,639.
To all zohom it may concern:
Be it known that I, EDWARD S. ENo, a citizen of the Umted States, residing at El in, in
the county of Kane and State of Illinois,
have invented certain new and useful Improvements in Methods for Testing Filled and Closed Cans, ofwhich the following is a specification.
The object of this invention is to subject tin cans after they have been filled and closed to the action of 'a partial vacuum whereby the external pressure is partially removed from around the can, which will permit some of the liquid contents to oozeout' through an opening that may be revealed by this met d.
In the accompanying drawings, Figure 1 is a vertical section of an apparatus 'for carrymg .out my method. Fig. 2 is a horizontal section of the same. Fig. 3 is a perspective view of a can showing the result of my method.
and the ends 4 placed a ainst theends of the receptacle. The air is then partly exhausted from Within the receptacle. Should any of the cans leak, the air within the leaky cans will esca e from the eans'carrying some of the li ui contents with it. Air is again per mitte to fill the receptacle when the ends can be removed allowing the cans within the receptacle to be taken out and re laced byothers. The cans taken out of t e receptacle are inspected, and if the liquid contents has oozed out it will show where the leak is.
I am aware that cans have been subjected to air ressure in order that air may enter any lea lcy cans and bulge them, the pressure is then removed which will leave the cans in their bulged condition, but, my invention differs from this method by treating filled cans and detecting any leaky ones by the liquid contents showing on the outside of the cans.
I claim as In mvention.
The metho herein described of testing closedand filled cans containing liquids, which consists in placing the cans in a receptacle, closing the receptacle hermetically, then exhausting the air from the receptacle to a certian degree and finally allowing the receptacle to fil with air. j i
- EDWARD s; ENO.
Witnesses:
WM. R.-TowNsEND, HERBERT S. ENo.
US32063906A 1906-06-07 1906-06-07 Method for testing filled and closed cans. Expired - Lifetime US857388A (en)

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US32063906A US857388A (en) 1906-06-07 1906-06-07 Method for testing filled and closed cans.

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458601A (en) * 1944-03-24 1949-01-11 Bell Telephone Labor Inc Method of and apparatus for measuring pressure
US2458665A (en) * 1944-03-24 1949-01-11 Bell Telephone Labor Inc Method of and apparatus for measuring pressure
US2751780A (en) * 1945-03-17 1956-06-26 Robert F Plott Leakage testing apparatus
US2821951A (en) * 1955-03-21 1958-02-04 Robert W Carver Pressure indicator
US5907093A (en) * 1997-05-26 1999-05-25 Martin Lehmann Method for leak testing and leak testing apparatus
US6082184A (en) * 1997-05-27 2000-07-04 Martin Lehmann Method for leak testing and leak testing apparatus

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458665A (en) * 1944-03-24 1949-01-11 Bell Telephone Labor Inc Method of and apparatus for measuring pressure
US2458601A (en) * 1944-03-24 1949-01-11 Bell Telephone Labor Inc Method of and apparatus for measuring pressure
US2751780A (en) * 1945-03-17 1956-06-26 Robert F Plott Leakage testing apparatus
US2821951A (en) * 1955-03-21 1958-02-04 Robert W Carver Pressure indicator
US20060081036A1 (en) * 1997-03-26 2006-04-20 Martin Lehmann Method for leak testing and leak testing apparatus
US7000456B2 (en) 1997-05-26 2006-02-21 Martin Lehmann Method for leak testing and leak testing apparatus
US5907093A (en) * 1997-05-26 1999-05-25 Martin Lehmann Method for leak testing and leak testing apparatus
US9091612B2 (en) 1997-05-26 2015-07-28 Wilco Ag Method for leak testing and leak testing apparatus
US7454957B2 (en) 1997-05-26 2008-11-25 Martin Lehmann Method for leak testing and leak testing apparatus
US20080016951A1 (en) * 1997-05-26 2008-01-24 Martin Lehmann Method for leak testing and leak testing apparatus
US7260981B2 (en) 1997-05-26 2007-08-28 Martin Lehmann Method for leak testing and leak testing apparatus
US6829936B2 (en) 1997-05-27 2004-12-14 Martin Lehmann Method for leak testing and leak testing apparatus
US6575016B2 (en) * 1997-05-27 2003-06-10 Martin Lehmann Method for leak testing and leak testing apparatus
US6439033B1 (en) 1997-05-27 2002-08-27 Martin Lehmann Method for leak testing and leak testing apparatus
US6305215B2 (en) * 1997-05-27 2001-10-23 Martin Lehmann Method for leak testing and leak testing apparatus
US20080276693A1 (en) * 1997-05-27 2008-11-13 Martin Lehmann Method for leak testing and leak testing apparatus
US6202477B1 (en) 1997-05-27 2001-03-20 Martin Lehmann Method for leak testing and leak testing apparatus
US20100251805A1 (en) * 1997-05-27 2010-10-07 Martin Lehmann Method for leak testing and leak testing apparatus
US8459099B2 (en) 1997-05-27 2013-06-11 Wilco Ag Method for leak testing and leak testing apparatus
US6082184A (en) * 1997-05-27 2000-07-04 Martin Lehmann Method for leak testing and leak testing apparatus

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