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7102528 |
Device for determining and/or monitoring a predetermined filling level in a container
A device for establishing and/or monitoring a predetermined fill level in a container is provided, to indicate the fill level in a container and exhibiting a best possible, optimum fit for an...
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6491625 |
Endoscopy testing apparatus and method
The present invention is a cap tester for a water resistant cap for medical video equipment that comprises a neck capable of insertion within the cap. The neck has an air duct extending...
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6493413 |
Fuel assembly mechanical flow restriction apparatus for detecting failure in situ of nuclear fuel rods in a fuel assembly during reactor shutdown
A fuel assembly mechanical flow restriction apparatus for detecting failure in situ of nuclear fuel rods in a fuel assembly during reactor shutdown.
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6479294 |
Method for determining container leakage
A method and apparatus suitable for use in high volume production for determining leakage from a nominally sealed product container, e.g., a battery case. The method and apparatus first functions...
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6430989 |
Method and apparatus for evaluating swimwear for underwater leakage
A quantitative method of evaluating swimwear for underwater leakage using a mechanical test mannequin, a water tank, a fluorescent bowel movement simulant, and a fluorescence meter. More...
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6223586 |
Micro-electromechanical device inspection
An inspection method for evaluating the hermeticity of integrated circuits and micro-electromechanical devices having a cavity. The method includes submerging one or more of the devices in a...
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5600250 |
Apparatus for monitoring the integrity of a personal protective barrier
A method and apparatus for detecting the possibility of transfer of material through a protective barrier between a worker and an external object and warning the worker of that possibility is...
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5494530 |
Method of and apparatus for testing and cleaning of endoscopes
In the program-controlled cleaning of endoscopes in a cleaning apparatus, the head parts are cleaned, rinsed, disinfected and rinsed clean in pressure chambers and, at the same time, the insertion...
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5422240 |
Apparatus and method for testing condoms as barriers to virus penetration
A method for testing a condom for viral penetration includes the steps of positioning a condom to be tested in a restraining device so that expansion of the condom is restricted to a size...
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5392637 |
Method of testing for leaks in a closed fluid filled system and system tested by such method
A method of testing for leaks in a closed fluid filled system and a system tested by such method are provided, the method comprising the steps of disposing the system in a chamber, disposing a...
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5369983 |
Detection medium and method for use in hermetic seal testing
A detection medium and method for use in detecting gross and fine leaks in a hermetically sealed package. In a preferred embodiment, the detection medium includes a detectable perfluorinated gas...
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5354999 |
Leak detection achieved by detection of light transmitted through an opaque layer interrupted by a passing bubble
A tank filled with water is covered by a layer of oil containing carbon black. A radiation source preferably a high intensity visible spectrum light is aimed at the bottom surface of the oil/carbon...
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5337597 |
Bubble emission volume quantifier
The present invention is an apparatus and method for detecting a leak from an object. A bubble collecting tube is used for collecting bubbles emitted from an object and a bubble detecting assembly...
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5317901 |
Nondestructive test for coated carbon-carbon composite articles
A method for determining whether surface connected, through thickness defects exist in a coated carbon-carbon composite article. The method involves the immersion of the coated article in a low...
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5263361 |
Apparatus for leak testing a fluid containing chamber utilizing a laser beam
A method and apparatus for leak testing a fluid containing chamber wherein the chamber is pressurized with a gas and is submerged in a liquid. The bubbles of gas rising from the submerged chamber...
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5241852 |
Apparatus and method for testing the waterproofness of a camera casing
An apparatus for testing the waterproofness of a casing having divided casing elements which are connected to each other at opposite end surfaces thereof, includes a dummy casing made from liquid...
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5170658 |
Bicycle tire leak detector apparatus
The present invention relates to a portable bicycle tire leak detector apparatus which is adapted to be attachable to a bicycle frame or conventional bicycle tire pump. The apparatus generally...
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5070724 |
Method for checking the tightness of a casing, and device for carrying out said method
A method and device for checking the tightness of a casing which is, filled with a gaseous medium, immersed in a container with liquid medium placed in a chamber of which the interior is insulated...
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5050426 |
Method for determining the reliability of men's contraceptives
Method for determining the reliability of men's contraceptives, characterized by submerging the contraceptive in a liquid, injecting a liquid in impulses into the contraceptive, and generating...
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5018381 |
Apparatus for checking air leaks in vehicle tire rims
A device for the testing of air leaks in a vehicle rim or the like includes a water tank having a predetermined volume of water in the bottom thereof, a mounting and bearings for holding the rim...
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4903524 |
Method of and apparatus for detecting bubbles from hermetic container and method of detecting leak in hermetic container
Disclosed is a method of detecting bubbles issuing from a hermetic container. A hermetic container, i.e., an object to be measured, is immersed in a liquid, and pressurized air is applied to this...
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4869096 |
Apparatus for testing groups of pressurized cans for leakers
A water bath apparatus for testing pressurized cans of aerosol products in groups for leakers. A spokeless horizontal cylinder is supported and rotatable on trunnions in a tank partly filled with...
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4854158 |
Method and apparatus for leak testing a fluid containing chamber
A method and apparatus is disclosed for leak testing a fluid containing chamber wherein the chamber is pressurized with a gas and is submerged in liquid. The bubbles of gas rising from the...
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4852392 |
High pressure drum testing apparatus and method
A drum testing apparatus simultaneously tests the bottom chine, sidewall vertical chine, and wall integrity of a typical drum, such as a 55-gallon drum. The apparatus includes a frame for...
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4799384 |
Bootie testing machine
Apparatus and a method for testing leaks in the footwear articles are provided. Bootie and sock inserts for shoes made of waterproof materials in which the seams are seam-sealed have become popular...
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4776209 |
Leakage detector
An apparatus and method for testing for gas leaks in waterproof gloves and glove inserts by applying gas under controlled pressure into a confined glove or insert and measuring bubbling or lack...
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4736621 |
Lean testing of electrical or electrical components
A method of leak testing electrical or electronic components, by immersion in an inert liquid at a temperature above 100° C., to detect any bubbles arising from the component, after which the...
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4686850 |
Method and apparatus for testing drums
There is provided a method and apparatus for testing drums such as steel drums, wherein the drums are moved automatically into a pre-determined area, and the drums are rotated and oriented, air...
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4517828 |
Apparatus for leak testing of pipe
An enclosure to define a substantially annular chamber around a conduit to be tested for leakage, and to confine a liquid to permit the visual detection of gas bubbles indicative of a gas leak in...
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4506544 |
Leakage detector of endoscopes
A leakage detector of endoscopes inspects cracks and pinholes within an endoscope of the perfect watertight structure by detecting leaked air therefrom while applying compressed air in the...
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4419883 |
Leak detector
A system for detecting small leaks at low pressures in hermetically sealed units that includes a first flow circuit for connecting a test unit to a source of pressurized gas (air) to place the unit...
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4345458 |
Water tank assembly for a pressure resistance measuring apparatus for testing containers
A water tank assembly for a pressure resistance measuring apparatus for testing containers comprises a vertical water tank, an auxiliary water tank connected with the vertical water tank at an...
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4300689 |
Dual wavelength spectrophotometer for ampoule leak detection and content inspection
A dual wavelength spectrophotometer for ampoule content inspection, in particular for ampoule leak detection wherein leaks are initially "flagged" via the dye bath immersion technique. Light...
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4218914 |
Apparatus for testing air tightness
An apparatus for testing leaks comprises a steeping bath, a boiling bath at one side of the steeping bath, a water separating bath at the other opposite side of the steeping bath and an overhead...
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4137752 |
Leak-testing method for diaphragm-type electrolytic cells
A method for leak-testing synthetic separators for interleaved planar electrodes is described. The method includes installing the separator such as a diaphragm or membrane about the electrodes to...
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4089208 |
Pressure test fixture for pressurized containers
Apparatus for testing pressurized sealed containers for leakage including a fluid filled tank for receiving the container to be tested. The tank is comprised of a transparent side wall, a bottom...
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4048845 |
Canning jar lid test device and method
A method and apparatus for testing the pressure venting characteristics of canning jar lids. A pressure chamber in the form of a mock jar finish has a canning jar lid fastened to it in the manner...
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3950982 |
Aerosol water bath
An improved aerosol can testing apparatus including an endless belt carrying a plurality of can suspending members on either side, the aerosol cans being suspended vertically by a spring load...
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3872714 |
Method and apparatus for testing a valve
A method and apparatus for testing valves includes a first liquid, whose boiling point is slightly higher than the ambient temperature of the surroundings on one side of the valve, and a second...
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3768305 |
INSTALLATION FOR TESTING PRESSURE TIGHTNESS OF CHECK VALVE CLOSING ELEMENT
An installation for testing the pressure tightness of a closing element of a check valve, comprising a bath in which the valve can be immersed, and a mechanism for clamping the valve between fixed...
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3693406 |
METHOD FOR INSPECTING FILTERS
Method and apparatus are described for washing hollow cylindrical engine air cleaners or filter elements on inside and outside surfaces. After the washing operation and before drying the filters...
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3646804 |
GROSS LEAK DETECTOR AND METHOD
The invention contemplates observing the gross-leak condition of an article by immersing the same in a liquid inert to the material of the article. A chamber defines a limited volume surrounding...
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3633406 |
APPARATUS FOR TESTING ARTICLES
An apparatus for testing articles such as can ends and the like is described. A lid for a can is placed to cover a pressurizable test chamber in a lower platen. An upper platen is brought down over...
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3592047 |
GRAPHITE CRUCIBLE TEST METHOD
The detection of undesirably large pores or fissures in graphite crucibles to be used in a high-temperature vacuum metallizing process which can cause premature cracking of the crucible, by...
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3590256 |
DEVICE WITH PHOTOELECTRIC BUBBLE INDICATOR FOR THE CHECKING OF GAS-TIGHT CONTAINERS AND THE LIKE BY IMMERSION IN A LIQUID
The disclosure relates to a device for testing gastightness of pressurized containers immersing them in a liquid and counting the bubbles eventually issued from the tested containers. The device...
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3548636 |
METHOD FOR DETECTING LEAKS IN HERMETICALLY SEALED CONTAINERS
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3517547 |
METHOD OF AND APPARATUS FOR CHECKING THE TIGHTNESS OF A WATCHCASE
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3479862 |
HERMETICITY TEST FOR PACKAGED ELECTRICAL COMPONENTS
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3430708 |
TRANSMISSION FOR ROTARY HAMMER
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3418845 |
Can body testing machine
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