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 |
| 7351455 | Paraffin ring for paraffining yarn Paraffin ring for paraffining yarn, which has a substantially cylindrical shape, with a paraffin jacket (12) and an insertion bore (14) of substantially circular cross-section, extending concentrically to a central longitudinal axis of the paraffin rin... | 04/01/2008 |
| 7329435 | Strand coating device and method Continuous void-free uniform coatings are formed on filamentous articles by applying a voided or otherwise substantially uneven coating to at least some of the exposed portion of a filamentous article or to a rotating substrate. The filamentous article or substrate ... | 02/12/2008 |
| 7311780 | Coating device and method using pick-and-place devices having equal or substantially equal periods A sufficient number of pick-and-place devices (e.g., rolls) whose periods of contact with a substrate are equal or substantially equal to one another are used to form continuous void-free uniform coatings despite the occurrence of unintended or intended coating cali... | 12/25/2007 |
| 7273337 | Partially coated fastener assembly and method for coating A fastener assembly includes a row of fasteners having a head, a tip, and a portion of a shank coated with a polymer composition. The polymer composition includes a polymer material such as polyurethane and metal particles. The polymer composition is used to provide... | 09/25/2007 |
| 7033441 | Applicator for strings The object of the present invention is to prevent damage on surface of strings and make the strings less twistable to improve elasticity, bounce etc., and further avoiding uncomfortable touch at the moment of hitting a ball. The applicator for strings of the ... | 04/25/2006 |
| 6926772 | Strand coating device and method Continuous void-free uniform coatings are formed on filamentous articles by applying a voided or otherwise substantially uneven coating to at least some of the exposed portion of a filamentous article or to a rotating substrate. The filamentous article or substrate ... | 08/09/2005 |
| 6818065 | Systems, devices and methods for applying solution to filaments Systems, devices and methods for applying solution to a filament include an applicator for applying at least a partial coating of a solution to a filament, comprising: an applicator surface operable to at least partially coat a filament with a solution; a first cont... | 11/16/2004 |
| 6779365 | Roll coating of glass fibers A roll coater for placing binder on the fibers prior to being wound around a rotating drawing drum. The drawing drum draws fibers out of orifices in the bottom of a slowly reciprocating furnace. The fibers form a mat on the drawing drum that is later removed and exp... | 08/24/2004 |
| 6592666 | Method and apparatus for applying a sizing composition to glass fibers A process and apparatus are provided for applying a sizing composition to glass fibers with improved size application efficiency, while also providing for the collection and reuse of sizing composition, as well as for providing sizing composition to the a... | 07/15/2003 |
| 6592667 | Applicator An applicator for applying a liquid impregnation agent to running yarns, especially a yarn oiler. The applicator has a rotating element with a surface with which at least one transfer mechanism comes into contact, and is equipped with an integrated cleani... | 07/15/2003 |
| 6572929 | Apparatus and methods for applying liquid finish to synthetic filaments Liquid finish is applied to a travelling filament by bringing the travelling filament into contact with an arcuate surface portion associated with a normally stationary, but rotatable, annular finish applicator, and thereafter periodically rotating the an... | 06/03/2003 |
| 6464788 | Liquid recovery and reclamation system A coating apparatus is configured to coat a moving strip of material with liquid coating material. The apparatus includes a liquid coating material supply unit and a coater for dispensing liquid coating material onto the moving strip of material. A recycl... | 10/15/2002 |
| 6358317 | Radial contact applicator roll A roll for applying a sizing composition to a fan of one or more fibers, providing a shaft having a curved central axis and a sleeve covering at least a portion of the shaft, the sleeve being rotatable relative to the shaft. Each fiber of the fan of one o... | 03/19/2002 |
| 5961685 | Apparatus for applying a generally uniform sizing composition to glass fibers A sizing applicator is provided for applying a coating of sizing composition to glass fibers. The sizing applicator includes a housing and a roll applicator which is rotatably coupled to the housing. The housing has a supply port adapted to receive sizing... | 10/05/1999 |
| 5954853 | Method and apparatus for applying a sizing composition to glass fibers A method and apparatus are provided for producing uniformly sized glass fibers. A heated bushing supplies streams of molten glass to be drawn into continuous fibers, and a drawing device attenuates the streams into fibers. A sizing applicator has a coatin... | 09/21/1999 |
| 5891247 | Suture tipping apparatus and method A process for tipping surgical sutures includes dispensing tipping agent one drop at a time and contacting the suture portion to be tipped with the drop of tipping agent. A transversely oriented lifting/wiping string may be used to lift the suture into co... | 04/06/1999 |
| 5671826 | Weft thread lubrication device for weaving looms The device comprises a container, closed by a lid, for holding the lubricating fluid; a strip of felt or the like is immersed in the container and becomes impregnated with the fluid by capillary action. One end of the strip protrudes from the lid of the c... | 09/30/1997 |
| 5630874 | Apparatus for resin impregnation of a fibrous substrate Apparatus and process are described for impregnating a fibrous substrate with a thermosettable resin. The process involves the use of resin application means comprising a moving surface on which is positioned a liquid-form thermosettable resin in essentia... | 05/20/1997 |
| 5549752 | Apparatus for coating strip material Apparatus for applying a coating material, such as a lubricant, to the top and bottom surfaces of a continuous strip of material wherein the continuous strip of material is passed between two wicks mounted in each of an upper and lower housings with each ... | 08/27/1996 |
| 5520732 | Device for applying a liquid to a traveling thread A device for applying a liquid, for instance oil, to a traveling thread, having a rotatably mounted roll (1) extending into the line of the thread in order to receive a film of liquid on its surface (1') from a liquid reservoir (9) and transfer the liquid... | 05/28/1996 |
| 5501734 | Yarn coating assembly and applicator An apparatus and method for applying coatings to yarns, particularly yarns to be utilized as dental floss. In a preferred arrangement, an array of parallel spaced yarns are continuously fed while being intermittently deflected by a cam or deflector. As th... | 03/26/1996 |
| 5431953 | Automated device for applying evaporator beads to a conductive wire A length of conductive wire is supported between a first reel and a second reel. The first reel is driven to move the wire through the device in a stepped fashion. Each time the wire stops a reciprocating plunger brings a material to be evaporated into co... | 07/11/1995 |
| 5409535 | Apparatus for imparting a sliding capacity to a wire A method an apparatus are provided for imparting a sliding capacity to a wire which is fed through at least one loop of a strand of material which has been steeped in a lubricant such as paraffin or wax. Preferably, the strand of material is advanced at a... | 04/25/1995 |
| 5127307 | Method of manufacture of articles employing tubular braids and resin applicator used therein An applicator for applying resin to fibers being braided in a tubular shape (e.g., in the manufacture of a fuse casing), the applicator having a wiping surface on which the fibers wipe as they travel to a mandrel on which they are braided, the wiping surf... | 07/07/1992 |
| 5072691 | Apparatus for monitoring size encapsulation of yarn on a slasher A method for quantifying size encapsulation of yarn on a slasher comprising measuring the hairiness of yarn entering a slasher prior to the application of size to the yarn, measuring the hairiness of the yarn leaving the slasher and solving the equation: ... | 12/17/1991 |
| 5052334 | Coating applicator for moving fibers A device for applying a coating to moving fibers is shown comprised of a cylindrical applicator rotating about its axis, a support frame for supporting the cylindrical applicator wherein said support frame contains a cylindrical opening running through th... | 10/01/1991 |
| 4972796 | Device to apply paraffin oil to textile threads, particularly weft threads in shuttleless looms Device to apply paraffin oil or like onto the surface of textile threads, so as to make them smoother and facilitate weaving thereof. The device includes: at least one container or vessel for a paraffin oil, closed by a cover; at least one rove or felt st... | 11/27/1990 |
| 4850301 | Apparatus for applying liquid additives to a continuous, multifilament tow Apparatus for applying a liquid additive to a continuous, multifilament tow includes a nonrotating tubular body and a nonmetallic element associated with the wall of the tubular body for contacting the multifilament tow as it is moved across the surface o... | 07/25/1989 |
| 4823730 | Apparatus for finishing endless material with a padding device The apparatus is used for wetting synthetic fiber tows with finishing liquid. For this purpose, the apparatus consists of two superimposed guide rolls over which the tow is guided in a meander-like manner. Padding devices are arranged on both sides of the... | 04/25/1989 |
| 4775434 | Resin-stripping die A resin-stripping die for mounting in a holder on a filament winding machine comprising a body formed of resiliently flexible heat and wear resistant material with a converging, preferably tubular, passage which is slit longitudinally at one side througho... | 10/04/1988 |
| 4773136 | Textile slasher lubricating apparatus The invention relates to a method of lubricating warp yarn ends arranged in sheet form (W) on the dry side of the drying process (16) as part of the process of preparing a loom beam (22) on a slasher. The method comprises providing a pair of rotating poro... | 09/27/1988 |
| 4759175 | Device for application of lubricant liquid to yarn on double twister A device for application of lubricant liquid to a yarn on double twister comprising a rigid porous wetting member disposed in a part of the yarn passage through which the yarn drawn from a feeding package passes and adapted to be in contact with the drawn... | 07/26/1988 |
| 4759953 | Sealed foam applicators The present invention discloses a felt applicator for applying a solution of lubricant to magnet wire, the applicator having at least one surface sealed to prevent the premature evaporation of the lubricant solvent during its passage through the applicato... | 07/26/1988 |
| 4656705 | Textile slasher lubricating method The invention relates to a method of lubricating warp yarn ends arranged in sheet form (W) on the dry side of the drying process (16) as part of the process of preparing a loom beam (22) on a slasher. The method comprises providing a pair of rotating poro... | 04/14/1987 |
| 4641404 | Porous warp sizing apparatus An apparatus and method for sizing warp yarn utilized in preparing a loom beam for weaving are disclosed. A porous application roll (A) is utilized for applying a sizing material onto a sheet of warp yarns (12) passing between a pressure roll (30) and the... | 02/10/1987 |
| 4641493 | Lubricant applicator for two-for-one twister A lubricant applying device for use in a two-for-one twister, which is mounted on a tenser and is provided with a lubricant applying means on a face thereof contacting with a yarn taken out from the yarn supply package and running through the yarn guide t... | 02/10/1987 |
| 4622241 | Method and apparatus for accurately dispensing a solution Apparatus and a method for dispensing a solution for use in a process including a flow meter and a precision valve are disclosed. A solenoid valve is incorporated within the dispensing apparatus and is electrically connected to the process for preventing ... | 11/11/1986 |
| 4619842 | Methods of and apparatus for marking elongated strand material An advancing optical fiber (22) is marked with a plurality of spaced indicia along its longitudinal axis. The indicia are applied by an applicator wheel (56) in the form of a disc which is mounted for rotation about an axis which is transverse to the path... | 10/28/1986 |
| 4604300 | Method for applying high solids enamels to magnet wire The present invention is for a method of applying high solids enamel coatings to magnet wire. The method comprises reducing the viscosity of the enamel to a processable range and then applying the heated enamel to the wire via a felt applicator. The coate... | 08/05/1986 |
| 4601918 | Apparatus and method for applying high solids enamels to wire The present invention discloses a method and apparatus for applying high solids enamels to wire wherein the enamel is heated to lower its viscosity to below about 200 cps, the heated enamel is then passed through a discrete, enclosed passageway in a first... | 07/22/1986 |