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| Number | Title | Issue Date |
| 7152489 | Arresting device, and snap member removal force measuring apparatus A constraining device comprises a plurality of jaws 34 adapted to constrain the sides of an object of constraint, support shafts 35 rotatably supporting the respective jaws so as to allow the jaws to spread and become closed, first biasing means 36 | 12/26/2006 |
| 6955093 | Rupture testing for gloves An apparatus for measuring the penetration depth of a blunt object before failure of a film sample, such as a glove. Failure occurs when a film sample secured to a column ruptures from the force applied by a stylus. The penetration depth of the blunt object is equal... | 10/18/2005 |
| 6834553 | Proof testing capstans for reducing shear and fiber coating deformation An apparatus for proof testing an optical waveguide fiber includes a first capstan defining a first outer diameter and a continuous first capstan belt under tension and in contact with the first outer diameter of the first capstan. The contact between the first caps... | 12/28/2004 |
| 6662666 | Instrument and method for measuring pluck resistance of fastener members This invention provides a pluck-resistance measuring instrument for fastener members comprises a holder for pressing the fabric of a garment to which a fastener member is attached, securely around the member, a plurality of clamp members capable of clampi... | 12/16/2003 |
| 6647803 | Operating procedures for automated needle sorting, swaging and packaging machines A machine, and operating procedures for a machine, for automatically threading, swaging and packaging surgical needles. A first mechanism is used to suture the needles and to pull test the needles to determine if certain maximum and minimum pull test requ... | 11/18/2003 |
| 6119527 | Method and apparatus for proof testing optical fibers A method, technique, and apparatus proof test an optical fiber interconnect by applying an ends off-set stress on the optical fiber until the optical fiber fails or breaks, either immediately (short-term strength), or as a result of the delayed-fracture/"... | 09/19/2000 |
| 6112589 | Fiber tester Disclosed is a fiber testing apparatus which permits creep and strength testing of one or more fibers in a controlled environment, including a vacuum, at high temperatures. Components of the fiber tester provide for accurate measurement of the effects on ... | 09/05/2000 |
| 5892155 | Adjustable fixture for use with a wire pull tester A fixture for use with a wire pull tester that tests the strength of a bond between an electrical contact of a semiconductor device and a wire affixed to the electrical contact. The fixture comprises a device support, a mounting surface provided on the de... | 04/06/1999 |
| 5798467 | Pluck resistance measuring instrument for snap members An instrument for measuring the pluck resistance of snap-members has a presser for pressing the fabric of a garment to which a snap member is attached, securely around the member and a plurality of jaws for constraining the sides of the snap member. A ten... | 08/25/1998 |
| 5798464 | Method of measuring extraction forces An extraction force tester which measures the force necessary to remove header pins from the sockets of a cable connector in a steady straight line motion, the extraction force tester includes: a base, a tensile force gauge slidably mounted to the base an... | 08/25/1998 |
| 5685193 | Disc brake pad assembly proof-testing A method and apparatus for non-destructively proof-testing the integrity of the bond between an integrally-molded disc brake pad assembly metallic backing plate element and its adhered molded friction material pad element advantageously tests the bond by ... | 11/11/1997 |
| 5596901 | Method for the absolute measurement of the tearing strength of fibres The method for measuring the tearing strength of fibers, especially of textile fibers, comprises the following steps: A) the fibers to be measured or part regions of such fibers are treated to form a single-layer planar fiber tuft (1); B) the fiber tuft (1) is... | 01/28/1997 |
| 5437193 | Method and apparatus for testing microfilaments A method and apparatus are disclosed for testing tensile strength of microfilaments. Fibers as small as 0.001 inch in diameter and 0.04 inches in length have been tested, although the method and apparatus of the invention are capable of testing fibers of ... | 08/01/1995 |
| 5412996 | Testing equipment and method of manufacturing the same A testing machine includes a pair of spaced side-by-side rails spanned by a carriage and opposite thereto a piston/cylinder mechanism between each rail and an associated crosshead. A wire cable, sling or the like is connected between the carriage and the ... | 05/09/1995 |
| 5076104 | Method for measuring actual load at failure of optical fiber Method and apparatus wherein continuous indexed lengths of optical fiber are automatically measured for load at failure for each failure below a predetermined maximum stress. A predetermined length of optical fiber is indexed. The optical fiber is clamped... | 12/31/1991 |
| 5050437 | Apparatus for determining strength properties of long textile test material Yarn tensile textile apparatus contains drawing-off means (11) for continuously drawing-off the test material (G) from a supply, two roller pairs (W, W') at a distance from one another for elongating the test material (G), and a store (12) arranged betwee... | 09/24/1991 |
| 4924709 | Tension testing tool A hand tool for tension testing of flexible elongated members and connections thereto comprises a drawn cup roller clutch having a shaft and a bearing assembly. The bearing assembly and the shaft are coupled for relative concentric rotation about an axis ... | 05/15/1990 |
| 4909084 | Filament specimen fixture A single-filament specimen preparation fixture for preparing a multiplicity of tensile testing specimens from the same filament. The fixture can be used manually or it can be adapted for use as one element in an automatic testing system.... | 03/20/1990 |
| 4679443 | Belt testing device There is disclosed a device having a supporting frame with a slot forming a gap in one leg of the frame. A stationary and a rotatable shaft are positioned in the frame on opposite sides of the gap. A belt sample is attached to the shafts and a ratchet ass... | 07/14/1987 |
| 4639131 | Device for measuring the static lives of optical fibers An arrangement for measuring the static lives of glass optical fibers. The arrangement comprises a number of holders. In each holder a rod with a fiber wound on it can be arranged. The holder surrounds each rod on three sides. Upon rupture of a fiber the ... | 01/27/1987 |
| 4599905 | Method and apparatus for determining the elongation property of copper wire A method and an apparatus for determining the eventual elongation property of a copper wire which has been cold drawn with an intermediate anneal and which is to be subsequently subjected to a predetermined heat treatment by a final in-line continuous ann... | 07/15/1986 |
| 4572002 | Apparatus for determining the fatigue limit of elastic material under completely reversed stress In order to determine the fatigue limit of elastic materials, especially rubber, under completely reversed stress by applying a load which alternates between zero and a maximum value and in order to determine the number of load alternations which leads to... | 02/25/1986 |
| 4553438 | Centrifugal carton tester A centrifugal test apparatus for determining the failure point of a carton for packaging bottles or cans comprises a box mounted on a variable speed drive shaft which is adapted to receive at opposite ends a counterweight and a test carton. The test carto... | 11/19/1985 |
| 4392384 | Measuring instrument with automatic loading and an automatic cycle, for studying the tensile characteristics of fibres A measuring instrument for studying the tensile characteristics of hair or other fibre samples is provided with elements whereby it is possible successively to carry out measurements on a series of samples automatically without intervention by an operator... | 07/12/1983 |
| 4248096 | Machine for fatigue testing of materials A machine for cyclically applying a force to material specimens for testing the fatigue properties thereof. The specimens are positioned between two members, at least one of which moves angularly in a wobble type of action in a cyclic operation. Enclosure... | 02/03/1981 |
| 4165634 | Viscoelastometer and process for measuring viscoelastic properties An improved apparatus and process are described for measuring linear and non-linear viscoelastic properties of viscoelastic materials such as nylon, polyester tire cord, rubber, rubber-tire cord composites and the like. The properties are determined by su... | 08/28/1979 |
