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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7204892 | Hoop for CVT belt and manufacturing method therefor A hoop for a CVT belt including foreign matter existing in a nitrided hardened layer and surface of the hoop, the foreign matter comprises at least one of an oxide-type foreign matter, a nitride-type foreign matter, and a carbide-type foreign matter. The oxide-type ... | 04/17/2007 |
| 6919115 | Thermally conductive drive belt The present invention provides for a power transfer belt that is manufactured of a highly thermally conductive polymer composition, in contrast to the typical rubber material used to fabricate the belts of the prior art. The new and unique belt of the present invent... | 07/19/2005 |
| 6869376 | Metal push belt and material therefor A metal push belt (1) for application in a continuous variable transmission, includes at least one endless tensile member (2), and transverse elements being provided freely moveable in the endless direction of the tensile member (2). The tensile... | 03/22/2005 |
| 5961412 | Fabric for power transmission belt and power transmission belt using the fabric A fabric 3 for power transmission belt to be adhered to a belt body 2 of a V-ribbed belt 1 is formed such that carbon fibers with electric conductivity are mixed through spinning into a fabric material such as cotton, nylon and polyester. This prevents th... | 10/05/1999 |
| 5868639 | Positive engagement drive Drive with a belt-driving wheel and a belt-motion deflector with a transmission member in the form of a belt wrapping around them in a continuous loop. The belt is in form-fit engagement with and is driven by at least the belt-driving wheel. Structures ar... | 02/09/1999 |
| 5794487 | Drive system for a robotic arm A robot with a base, a first link connected to the base by a shoulder joint, and a second link connected to the first link by an elbow joint. A shoulder motor drives the shoulder joint, and an elbow motor drives the elbow joint. An upper elbow pulley is c... | 08/18/1998 |
| 5785621 | Woven belt for a corrugated cardboard machine A woven belt for a corrugated cardboard machine has a central woven layer for absorbing tensile stress which consists of first warp and weft threads. The first warp threads cross at least two first weft threads on one side of the central layer before cros... | 07/28/1998 |
| 5778730 | Robotic joint using metallic bands A robotic arm utilizing two pulleys connected by two metallic drive bands wound in opposite directions and rotatably attached to the pulleys. The metallic drive bands may include multiple metal strips separated by a visco-elastic material. One end of one ... | 07/14/1998 |
| 5682795 | Robotic joint using metal bands A robotic arm utilizing two pulleys connected by two metal drive bands wound in opposite directions and rotatably attached to the pulleys. The metal drive bands may include multiple metal strips separated by a visco-elastic material. One end of one drive ... | 11/04/1997 |
| 5399127 | Endless belts incorporating stiffening members An endless belt is disclosed comprising: (a) an electrodeposited metal layer having a first end region and a second end region; and (b) an electrically conductive stiffening member integrated with the first end region. There is also disclosed a process co... | 03/21/1995 |
| 5131893 | Endless metal belt assembly with minimized contact friction An endless metal belt assembly is made with opposing adjacent belt surfaces that may contain a roughened surface containing protuberances, indentations and/or pits and are configured such that a lubricant can be held and circulated between the adjacent su... | 07/21/1992 |
| 5127885 | Endless metal belt with strengthened edges Ductility of belt material is increased at least at one edge of an endless metal belt, thus reducing the likelihood of premature failure of the belt. The inner region of the belt maintains the inherent strength of the metal. The endless metal belt so form... | 07/07/1992 |
| 4773896 | Power driving V belt and the method of manufacturing same An endless power transmission V belt is provided including a longitudinal reinforcement member formed by at least one member resistant to a tensile force such as a cable, made from a material chosen from metal, glass fibers or the like having a high tensi... | 09/27/1988 |
| 4734087 | High load transmission belt A power transmission belt structure including a flexible neutral belt portion, a plurality of blocks secured to the flexible belt portion seriatim longitudinally thereof, and heat conducting structure disposed between the flexible belt and blocks for cond... | 03/29/1988 |
| 4708703 | V-belt for continuous speed variators A V-belt for continuous speed variators and which is formed of a visco-elastomeric material and includes a group of teeth formed on upper and lower parts thereof. The two groups of teeth are opposed to one another with each having a substantially equal ba... | 11/24/1987 |
| 4637511 | Longer lasting woven polyaramide belting for high temperature applications Woven flexible belting of improved cut resistance, heat resistance and strength, and consequently, of longer life, so that it is suitable for use in a conveyer belt for carrying hot and sharp edged materials, includes warp and fill textile threads and yar... | 01/20/1987 |
| 4464153 | Covered V-belt having reduced coefficient of friction sides A covered V-belt having reduced coefficient of friction sides and a method for making the same are provided. The outer cover of the belt of this invention comprises a metallic material incorporated with the elastomeric material of the cover, which materia... | 08/07/1984 |
| 4457743 | Power transmission belt A power transmission belt which is substantially V-shaped in cross-section has insert members which are resistant to transverse compression embedded in an elastomeric or plastomeric body. Protective layers of elastomer or plastomer having oriented fibers ... | 07/03/1984 |
| 4355994 | Covered V-belt having reduced coefficient of friction sides and method of making the same A covered V-belt having reduced coefficient of friction sides and a method for making the same are provided. The outer cover of the belt of this invention comprises a metallic material incorporated with the elastomeric material of the cover, which materia... | 10/26/1982 |
| 4250223 | Belt type expansion joints An elastomeric expansion belt material includes an under layer having a heat resistant or insulating fabric, or matting, such as an asbestos fabric, carried by a polymerizable elastomer vulcanized to a heat shield including one or more layers of a metal f... | 02/10/1981 |
| 4169021 | Method for producing tubular metallized cloth belts and tubular belts obtained by said method A method for making metallized tubular cloths is described which consists of introducing a tubular cloth into a galvanic bath, connecting the tubular cloth to the cathode of the electrolytic cell, while the bath contains an electrolyte, the cation of whic... | 09/25/1979 |
| 4032384 | Method of making a conveyor belt A conveyor belt is fabricated by unrolling first and second webs of uncured rubber between which plastic-jacketed reinforcing cable tendons are fed to provide an uncured sandwich array which is then fed into a vulcanizing unit which is then operated to pr... | 06/28/1977 |
| 4022071 | Steel cord belt reinforced transmission belt A V-belt for transmitting power has one or more flexible internal steel cord belts incorporated therein together with conventional textile reinforcing means. The steel cord belt reinforcement is in a plane parallel to the inner and outer parallel faces of... | 05/10/1977 |
| 4015038 | Novel high temperature resistant fabrics A novel open weave endless dryer belt is disclosed which comprises in a leno weave, warp yarns of synthetic organic fibers and crosswise yarns of synthetic organic fibers braided over a core of glass fibers and/or metal wire. The fabric weave is then fini... | 03/29/1977 |
| 3994765 | Endless pressure belt for laminating chipboard panels An endless belt for use in a machine for laminating a continuous strip of chipboard panel to a decorative film by passing the chipboard and film between a heated revolving drum and the endless belt which is pressed against the drum, wherein the endless be... | 11/30/1976 |
| 3973670 | Conveyor belt A conveyor belt with continuous longitudinal reinforcement strands has a mechanical transverse barrier to prevent longitudinal ripping slitting or tearing. The mechanical transverse barrier is a fabric with warp and weft threads embedded in a cover layer ... | 08/10/1976 |
