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British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 7334378 | Packaging machine and weighing apparatus A packaging machine and a weighing apparatus low in equipment cost, small in installation space, and allowing a reduction in time required from the manufacture of packaged bodies to the completion of weighing to increase productivity. The stick packaged bodies are w... | 02/26/2008 |
| 7308819 | Gas measuring method inside a sealed container A gas measuring method performs a gas measurement inside a sealed container provided with a pair of plates and an exhaust pipe having a breakable vacuum isolating member on at least one of the plates. The method includes the steps of connecting the sealed container ... | 12/18/2007 |
| 7266993 | Container leak detection apparatus and method An apparatus and method for testing a container as to leakage and defects. The apparatus is especially useful for testing plastic bottles because it does not contact one or more of the bottle sides during testing. A frame with the test components may be adjusted so ... | 09/11/2007 |
| 7013712 | Method for testing containers, use of the method, and a testing device A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting the gas ti... | 03/21/2006 |
| 6966216 | Leakage detecting device for sealed packages The object of this invention is to provide a leakage-detecting device for sealed packages that is capable of performing detection continuously for all sealed packages when performing leakage detection for sealed packages. This invention comprises a conveyor b... | 11/22/2005 |
| 6164122 | System and method including multiple test chambers for automated testing for holes in prophylactic device A plurality of test chambers or fixtures are operable for successively testing a plurality of condoms, respectively, in an automated manner. Each test chamber for testing a condom includes a housing containing a porous liner having an interior cavity conf... | 12/26/2000 |
| 6050134 | Leak detecting device for detecting a leak in a container A leak detection system determines whether a container has a leak or an aperture by attempting to draw a vacuum in the container and determining whether a vacuum has been created in the container. If a vacuum can be created in a container, this indicates ... | 04/18/2000 |
| 4667506 | High pressure container tester A method and apparatus for pressure testing containers in peripheral cells in a rotating turret is disclosed in which high pressure air in tested containers is initially discharged into a low pressure reservoir down to a predetermined low pressure and the... | 05/26/1987 |
| 4495797 | Can end tester An apparatus is disclosed for testing can ends for leakage. The apparatus includes a series of stations, including an entry station, one or more punishment stations, a testing station and an output station, means for transporting can ends from station to ... | 01/29/1985 |
| 4440016 | Method for high speed leak test for metallic cover with a pull tab A method for high speed leak test for a metallic cover with a pull tab. When one wants to test whether a metallic cover with an opening-defining score line and a pull tab for breaking off a part of the cover defined by the score line has a leak, the cover... | 04/03/1984 |
| 4403501 | Method and device for the electropneumatic testing of cigarette filters A method and device for the electropneumatic testing of the air permeability of filter plugs for filter cigarettes. At one end of the filter plug there is applied a pneumatic pressure, the other end of the filter cigarette being connected, through a bore ... | 09/13/1983 |
| 4218913 | Apparatus for inspecting plastic containers A carriage having dual spindles reciprocates with continuously moving plastic containers. The first spindle pressurizes a container to blow out any dents in the plastic container. The second spindle inspects the container for detection of defects which wo... | 08/26/1980 |
| 4170130 | Hollow container fault detector A leakage analyzer method and apparatus for detecting faults in hollow structures such as polypropylene tubing and the like. The apparatus includes a hollow elongated test chamber through which the tubing is passed. At the outlet end of the chamber, a rea... | 10/09/1979 |
| 4120194 | Method and apparatus for testing the wrappers of cigarettes, filter rod segments, and analogous rod-shaped articles Pneumatic test signals are generated indicative of the extent to which seal imperfections are present in the wrappers of rod-shaped articles, and the pneumatic test signals are converted into electrical test signals. A pneumatic comparison signal is gener... | 10/17/1978 |
| 4099404 | Automatic air leak testing apparatus and method for batteries Containers, such as batteries, battery cases and the like, are moved along a first conveyor to a leak testing station, above which is located an assembly having means matable over the openings in the top of the container. The container is supplied with ai... | 07/11/1978 |
| 4081991 | Apparatus for pressure testing frangible containers Apparatus for pressure testing frangible containers includes a carriage quided for horizontal reciprocation while supporting and guiding a pressure conduit mounted for vertical reciprocation. A pair of jaws are provided for embracing and supporting a cont... | 04/04/1978 |
| 3991605 | Method and apparatus for testing the wrappers of cigarettes and the like A first signal is generated indicative of the gas permeability of the wrapper of the article being tested. A second signal is generated indicative of the porosity of the material of the wrappers of the articles being tested. The first and second signals a... | 11/16/1976 |
| 3954003 | Apparatus for testing end closures Improved apparatus for testing end closures for leakage, of the type which includes a test chamber formed by a vertically reciprocable upper chambered member and a fixed lower chambered member having seating means for seating the end closure in registered... | 05/04/1976 |
| 3930400 | Self-operating machine for dry test of hollow bodies of the heat exchanger type and the like The machine comprises a rotary table supporting similar working stations. Each station supports a reference heat exchanger and a heat exchanger to be tested. The operations related to a simultaneous supply of compressed gas in the two exchangers, isolatio... | 01/06/1976 |
