Test fixture for leak detectors
AssigneeThe Continental Group, Inc.
InventorsJames E. Sopcak, Walter Rowland
Life of this patent
Estimating the term…
Abstract
An improved test fixture for verifying the reliability of leak detectors in a can-making line, comprising a can body having an orifice of a predetermined size formed therein and piece of filter paper of predetermined porosity, attached to the interior of the container by a double-faced tape, overlying the orifice. A fluid, maintained at a predetermined pressure, is introduced into the body to produce a simulated leak having a predetermined flow rate. Identification of the test fixture as a "leaker" proves the reliability of the leak detector. A method is also provided for producing the test fixture.
Claims8
An improved test fixture for verifying the proper operation of leak detectors in a can-making line, comprising a can having a body, a closure on one end of said body, an orifice of a predetermined size formed in said can, and a filtering medium of predetermined porosity affixed to said can covering said orifice, and means for introducing a test fluid, maintained at a predetermined pressure, into said can to produce a simulated leak having a predetermined flow rate.
A method for producing a test fixture for verifying the proper operation of a leak detector in a can-making line, comprising the steps of:
- a. providing a can body having a closure on one end thereof;
- b. forming an orifice of a predetermined size in one of said can body and said closure;
- c. applying an adhesive material to the interior surface of said one of said body or said end closure, surrounding and adjacent said orifice;
- and
- d. affixing a filtering medium to said adhesive material in covering relation to said orifice.
A test fixture can having an aperture of predetermined size, and a filter covering the aperture affixed to the can, said can adapted to be introduced into a can line having a leakage test fixture for testing the operativeness of said leakage fixture.
A test can for insertion into a can-making line in a location to pass through a can tester to determine the operability of said tester, said test can comprising a can having a body, a closure on one end of said body, means for introducing a test fluid, maintained at a predetermined pressure, into said can, and a simulated leak, having a predetermined flow rate at said predetermined pressure, said simulated leak comprising an orifice of a predetermined size formed in said can and a filtering medium of predetermined porosity affixed to said can covering said orifice.
Dependencies are inferred from the claim text.