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| Number | Title | Issue Date |
| 8176792 | Inspection system and inspecting method An inspection system for inspecting a processing accuracy of a work piece is provided. The inspection system includes a supporting mechanism which supports the work piece in a same posture as a posture in which the work piece is assembled to a body; a load reproduct... | 05/15/2012 |
| 6276216 | Pneumatic lifting device with integrated apparatus for measuring a tensile force A force gage for measuring a tensile force in a pneumatically-operated device, includes a parallelogram linkage having a pair of longitudinal arms in spaced-apart parallel disposition, and a pair of transverse arms in spaced-apart parallel disposition and... | 08/21/2001 |
| 5992242 | Silicon wafer or die strength test fixture using high pressure fluid An Integrated Circuit (IC) wafer test fixture includes a baseplate and a top plate. During testing, an IC wafer is positioned between the baseplate and top plate with annular rubber gaskets, forming sealed cavities above and below the IC wafer. A fluid pr... | 11/30/1999 |
| 5265476 | Tension load testing machine A testing device for testing lifting equipment and accessories such as slings, shackles and the like has a longitudinally extending frame with left and right sides, each parallel to the other and to rails positioned between the frame sides. Moving carriag... | 11/30/1993 |
| 4967602 | Pneumatic strength tester for sheet materials A device, system, and method for measuring the strength of a sheet material during or after the manufacturing process are described. The present invention forms a chamber having one wall consisting of the sheet material to be tested. A high pressure air s... | 11/06/1990 |
| 4930355 | Hydraulic drive apparatus and method for instrumented penetration and tensile-impact testing Apparatus and a method are provided for tensile-impact and penetration testing of sample elements, utilizing hydraulic flows to accelerate a lead-in piston inside a cylindrical hydraulic chamber in controlled manner to thereby deliver a predetermined amou... | 06/05/1990 |
| 4735092 | Apparatus for rupture testing metal films A rupture testing procedure is carried out on metal foils at a number of process temperatures to evaluate their suitability for use in printed wire multilayer circuit boards. The test stand has a heated platen capable of heating foil test samples up to so... | 04/05/1988 |
| 4649605 | Method for determining cohesion in staple fibers Method for determining whether textile staple fibers having crimp therein, either natural or man-made, have a weighted-average cohesion number of from 14.2 to 31.75 centimeters (5.6 to 12.5 inches) by initiating gas impingement contacts at successively in... | 03/17/1987 |
| 4583408 | Apparatus to evaluate bubble formation An apparatus is provided to determine the film forming properties of a paste, especially a paste of chewing gum or bubble gum, in order to evaluate its bubble-forming ability and a process for using this apparatus.... | 04/22/1986 |
| 4455871 | Method and apparatus for the non-destructive measurement of the response pressure of reversible rupture discs Method of non-destructively determining response pressure of a reversible rupture disc which includes: measuring resonance frequencies of lower vibration modes of the reversible rupture disc at varying measuring pressures below the response pressure of th... | 06/26/1984 |
| 4395917 | Apparatus for testing glass Apparatus for the destructive testing of glass sheets. The sheets to be tested are subjected to a differential pressure condition by establishing a vacuum on one side thereof and lowering the pressure on such side until the glass deflects to its breaking ... | 08/02/1983 |
| 4136557 | Panty hose testing apparatus and method A panty hose testing apparatus in which a manikin conforming substantially to the lower portion of a human torso is provided with waist, leg, and hip portions for receiving thereon panty hose garments and the like. The garment is retained upon the manikin... | 01/30/1979 |
