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Class Information
Number: 73/41
Name: Measuring and testing > With fluid pressure > Leakage > Conveyor feed
Description: Subject matter wherein the article under test (usually a can or other receptacle) is moved by a conveyor during or through the test operation.










Sub-classes under this class:

Class Number Class Name Patents
73/45 With defective article discard 21
73/41.2 With immersion 6


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8692186 Method and apparatus for leak testing containers Apr. 8, 2014
8261594 Leak detection system Sep. 11, 2012
7748254 Method and device for controlling closed packages Jul. 6, 2010
7712351 Device for the testing of packaging material May. 11, 2010
7421886 Quick connect coupling test apparatus and method Sep. 9, 2008
7383720 Method and device for testing for leaks Jun. 10, 2008
7231806 Apparatus and method for rapidly, eco-friendly sample preparation prior to chromatographic determination of chemical substances Jun. 19, 2007
7156238 Apparatus for inspecting sealed packages Jan. 2, 2007
7107823 Package seal inspecting apparatus, and method for inspecting package seals Sep. 19, 2006
7093480 Method and apparatus to stress test medicament inhalation aerosol device by inductive heating Aug. 22, 2006
6826967 Mass flow measuring device Dec. 7, 2004
6769289 Method of testing vacuum packages for seal-tightness Aug. 3, 2004
6752006 Device for the pneumatic inspection of smoking items Jun. 22, 2004
6687622 Leak detection apparatus for blister packs Feb. 3, 2004
6666071 Method and apparatus for leak testing plastic containers Dec. 23, 2003
6578407 System for leak testing industrial components Jun. 17, 2003
6553809 Method and apparatus for detecting holes in plastic containers Apr. 29, 2003
6494083 Method for monitoring closed containers Dec. 17, 2002
6435002 Assessment of the condition of fruit and vegetables Aug. 20, 2002
6397663 Sealing device for the end portions of rod-shaped smokers' products having non-circular cross-sectional outlines Jun. 4, 2002
6351984 Inspection method and device for non-destructive analysis of a container material Mar. 5, 2002
6330823 Process and apparatus for testing containers Dec. 18, 2001
6220082 Leakage check system for liquid enclosed in vessel Apr. 24, 2001
6105419 Apparatus and process for inspecting sealed packages Aug. 22, 2000
6050134 Leak detecting device for detecting a leak in a container Apr. 18, 2000
6044693 Method and apparatus for unrolling prophylactic devices Apr. 4, 2000
5913237 Apparatus for providing a fluid connection between a fixed fluid coupling and a moving container Jun. 15, 1999
5834632 Photo-acoustic leak detector with multiple beams Nov. 10, 1998
5767392 Method and apparatus for leak testing containers having a flexible side wall structure Jun. 16, 1998
5723770 Tapping tee pressure test restraining kit Mar. 3, 1998
5668307 Apparatus for testing can ends for leaks Sep. 16, 1997
5618990 Inspection system for detecting a leaking liquid and entering air Apr. 8, 1997
5614661 Apparatus and method for testing containers Mar. 25, 1997
5591899 Continuously operating inspection machine for vessels Jan. 7, 1997
5571949 Leak detection device and components therefor Nov. 5, 1996
5542288 Testing of packages Aug. 6, 1996
5528925 Method and apparatus for testing the seal between a container and a flexible lid Jun. 25, 1996
5517849 Apparatus and method including porous liner for testing for holes in prophylactic devices May. 21, 1996
5507177 Method and apparatus for testing the tightness of foil bags Apr. 16, 1996
5471866 Cigarette testing device Dec. 5, 1995
5353631 Analyzing internal pressure of a sealed container using frequency spectra Oct. 11, 1994
5186183 Method and apparatus for detecting micro-holes or examining the state of micro-holes formed on each of rod-like matters Feb. 16, 1993
5163313 Apparatus for testing individual one piece receptacles Nov. 17, 1992
4898023 Apparatus for detecting internal pressure of a can Feb. 6, 1990
4836013 Device intended for testing the mechanical strength of pressurized containers in a hot condition Jun. 6, 1989
4788850 Bottle testing apparatus Dec. 6, 1988
4662214 Method and apparatus for testing rod-shaped articles of the tobacco processing industry May. 5, 1987
4637249 Battery can hole detecting apparatus Jan. 20, 1987
4602499 Flexible industrial system with quick change part holding means Jul. 29, 1986
4558586 Apparatus for stabilizing the pressure of gaseous testing fluid for cigarettes and the like Dec. 17, 1985

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