Seal tester
AssigneeThe Aro Corporation
InventorsEarl W. Clifford, August Scherer
Life of this patent
Estimating the term…
Abstract
Apparatus is provided for testing the strength of a seal provided between an underlying substrate material and an overlying sheet material of a container. The package is inflated through an inflation needle inserted into the container. The pressure in the container is sensed through a sensing needle inserted therein. The apparatus may be used to test the tensile strength of the seal, and the location of any leaks therein.
Claims11
Apparatus for testing the strength of a seal provided between a sheet material and a substrate material of a partially-enclosed container, said sheet and substrate materials being unsealed along a portion of their overlapping lengths, said apparatus comprising:
- inflation means having an inflation tube adapted to be inserted into said container through said open portion, and arranged to selectively inflate said container with a fluid;
- sensing means having a sensing tube adapted to be inserted into said container through said open portion, and arranged to sense the pressure of such fluid in said container;
- and
- clamping means adapted to releasably close said container open portion when said inflation and sensing tubes are inserted into said container to sealingly close said open portion.
Apparatus for testing the strength of a seal provided between a sheet material and a substrate material of a fully-enclosed container, comprising:
- inflation means including an inflation needle adapted to penetrate said container at one location, and arranged to selectively inflate said container with a fluid;
- and
- sensing means including a sensing needle adapted to penetrate said container at another location and arranged to sense the pressure of such fluid in said container.
Dependencies are inferred from the claim text.