Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7185838 | Spool filled with multiple elongated elements wound closely together A spool filled with two or more elongated elements such as steel cords wound in parallel and in several windings upon the spool. The distances between two neighboring elongated elements, as measured along a line parallel to the axis of the spool, is not more than 10... | 03/06/2007 |
| 7000435 | 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... | 02/21/2006 |
| 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 |
| 6322888 | Method for producing sized glass fibers and resulting products A process for producing sized glass yarns, which entails: a) drawing streams of molten glass from orifices located at a bottom of one or more dies, in a form of one or more fans of continuous filaments, b) assembling the filaments into one or more moving supports, ... | 11/27/2001 |
| 6199406 | Small diameter gathering shoe for glass fiber forming The present invention provides an apparatus for forming fiber strands comprising a fiber forming device, a gathering shoe device and a winder device, the improvement comprising a gathering shoe device which includes at least one gathering shoe having an a... | 03/13/2001 |
| 6185963 | Fiber strand package having a size with low solvent content The invention relates to a process for manufacturing continuous a glass fiber strand. The process consists in depositing on the glass filaments which are in the process of being drawn a sizing composition consisting of a solution of which the solvent cont... | 02/13/2001 |
| 6131416 | Bubble prevention in coating of filaments A method for high velocity coating optical fibers includes passing a fiber with diameter l at velocity V through a coating container to which liquid coating material with viscosity μ is supplied under pressure p. Unwanted bubble formation in the coating ... | 10/17/2000 |
| 6062048 | Apparatus for automating fiber manufacture with automatic fiber gathering Apparatus and methods of using the apparatus to automate a labor intensive portion of the process of making continuous fiber products, like chopped glass fiber. In this process many fiberizers are used, each fiberizer forming as many as several thousand f... | 05/16/2000 |
| 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 |
| 5916679 | In-line processing of continuous glass fibers with thermoset solution epoxy A method is disclosed for forming pre-impregnated fibers suitable for making a composite article. A plurality of fibers (14) are pre-impregnated with about 50% by weight of an aqueous-based chemical treatment containing a curable resin, and then contacted... | 06/29/1999 |
| 5914080 | Method and apparatus for the in-line production and conversion of composite strand material into a composite product A method and apparatus is provided for the in-line production of composite strand material and the conversion of at least a portion of the strand material into a composite product. The apparatus (10) includes a combining station (48) where glass fibers (1... | 06/22/1999 |
| 5843202 | Apparatus for forming migration free glass fiber packages Energy efficient apparatus for forming migration free glass fiber packages composed of fibers bearing substantially uniform coatings of size composition. Heated air from around the fiber forming bushing is drawn into a chamber through which the glass fibe... | 12/01/1998 |
| 5795365 | Method of producing and treating glass threads by blowing dried air across coated fibers A thread is formed of one or a plurality of fans of continuous filaments on which a sizing composition is deposited. The moisture content on the thread is controlled by subjecting the fans of filaments to a current of air transversely to the direction of ... | 08/18/1998 |
| 5779758 | Method and apparatus for forming continuous glass fibers An apparatus is provided for producing a glass fiber package. The apparatus includes a heated bushing for supplying streams of molten glass to be drawn into continuous fibers, a rotatable member adapted to draw the streams into fibers and to wind the fibe... | 07/14/1998 |
| 5702498 | Process for carbon-coating silicate glass fibers This invention is a strand of silicate glass fibers with a carbon skin or sheath around each glass fiber of the strand. The invention uses hydrocarbon pyrolysis with silicate fiber glass manufacturing to produce fibers using conventional melt-bushing tech... | 12/30/1997 |
| 5698000 | Process for manufacturing sized glass strands The invention relates to a process for manufacturing continuous a glass fiber strand. The process consists in depositing on the glass filaments which are in the process of being drawn a sizing composition of which the solvent content is less than 5 wt % o... | 12/16/1997 |
| 5662776 | Glass fiber non-woven fabric, a method of producing glass fiber non-woven fabric and a method of producing a laminate Glass fiber non-woven fabric for base material of a laminate comprising binder binding glass fibers to each other, said binder including a reactant product formed by reacting a solution of tri-functional epoxy resin, bi-functional epoxy resin and tri-ethy... | 09/02/1997 |
| 5639292 | Process and apparatus for applying size to glass fibers A process and apparatus are provided for coating a sizing composition onto glass fibers. The apparatus includes an applicator for applying a liquid sizing composition to the glass fibers and a treatment station for treating the sized fibers to increase th... | 06/17/1997 |
| 5626643 | Contact drying of fibers to form composite strands A method and apparatus are provided for producing composite strands. The apparatus comprises a heated bushing for supplying streams of molten glass to be drawn into continuous first fibers; a drawing device adapted to draw the streams into the first fiber... | 05/06/1997 |
| 5611836 | Method of producing sized glass strands The invention relates to a method of producing glass strands, the method comprising coating glass strands with a heat-polymerizable composition constituted by a solution with a solvent content of less than 5% by weight and a viscosity of less than 400 cP,... | 03/18/1997 |
| 5352392 | Process for manufacturing a continuous thread by mechanical drawing In the manufacture of a continuous thread coated with a mixture which reacts to ultraviolet radiation, a large number of continuous filaments are formed by mechanically drawing a large number of molten thermoplastic material streams flowing from openings ... | 10/04/1994 |
| 5302175 | Method of winding glass fibers A method of preparing glass fiber strands is shown wherein the glass fibers as they are drawn from the glass fiber forming bushing are wound in a unique way. The fibers are drawn from the bushings using high speed, low energy drawing devices such as capst... | 04/12/1994 |
| 5123949 | Method of introducing addivites to fibrous products A process for introducing additive particles to extruded fibers during production of the fibers. Particles are directed into a moving stream of fibers during or after the fiber attenuation process. The movement of the fibers intermingles the particles wit... | 06/23/1992 |
| 5055119 | Method and apparatus for forming migration free glass fiber packages Energy efficient process and apparatus are disclosed for forming glass fiber packages which are free of migration. Air from around the fiber forming bushing is passed beneath the bushing whereby it is heated by bushing heat and the heated air is then draw... | 10/08/1991 |
| 4976761 | Method for making ceramic matrix composite article A method for making a fiber-reinforced ceramic matrix composite article is disclosed wherein a ceramic matrix material in the form of a glass powder is combined with a fibrous reinforcing material such as a fiber tow, and the powder and tow are transporte... | 12/11/1990 |
| 4886536 | Method of using evenly distributed air flow to condition glass filaments prior to application of sizing A method for forming continuous glass fibers is provided comprising the steps of supplying a plurality of streams of molten glass from a bushing, drawing the streams into continuous filaments, passing a stream of air across the continuous filaments in a d... | 12/12/1989 |
| 4853021 | Process and apparatus for producing coated single twist glass yarns A process for producing coated, single twist glass yarns which comprises drawing a plurality of fibers formed from fibers of molten glass, applying to the fibers a sizing comprising a thermoplastic, thermosetting or photosetting composition, gathering the... | 08/01/1989 |
| 4853017 | Method and apparatus for the environmental control of fiber forming environment The present invention relates to an improved method and apparatus for controlling the air quality in the fiber forming zone of glass fiber manufacturing operation. The present invention provides a housing extending from the bushing to the applicator rolle... | 08/01/1989 |
| 4838914 | Process for producing silica glass fibers A process for producing silica glass fibers comprising: a step of preparing a silica glass fiber spinning solution by adding a polymerization regulator to a silica sol solution obtained by the hydrolysis and condensation of a silicon alkoxide in the presence o... | 06/13/1989 |
| 4830647 | Method of manufacturing glass yarns A method of manufacturing glass yarns includes the steps of: forming a large number of glass filaments by drawing molten glass through a large number of orifices formed on the bottom of a bushing; forming a plurality of strands by separately gathering the... | 05/16/1989 |
| 4776865 | Method of forming a fiber-reinforced inorganic composite A method of forming a fiber-reinforced, glass or glass-ceramic, elongated composite is described wherein several multifiber lengths are impregnated with matrix material, woven or twisted to form a fabric network, the impregnating matrix material softened,... | 10/11/1988 |
| 4744810 | Process for forming fiber mats Fiber mats formed by attenuating molten streams of attenuable mineral material by subjecting the streams to the action of a hot attenuating gas blast. The gas blast induces gas from the surrounding atmosphere, and the combined blast and induced gas formin... | 05/17/1988 |
| 4526598 | Method and apparatus for forming a bundle of glass filaments A filamentary gathering apparatus, apparatus for forming filaments into a gathered bundle of filaments, and a method of forming gathered filaments into a bundle of filaments according to the present invention result in a reduced tendency of the filaments ... | 07/02/1985 |
| 4508555 | Method and apparatus for scrubbing effluent gases from mineral fiber production Method and apparatus are disclosed for scrubbing effluent gases arising during the production of mineral fibers and particularly during the production of glass fiber insulation blankets or mats. The scrubbing is effected by the use of opposed jets of wate... | 04/02/1985 |
| 4440557 | Method and apparatus for forming and collecting continuous glass filaments The present invention encompasses a system for at least partially drying or curing wet glass strand as it is being wound into a package wherein streams of heated gas, such as air, are directed into contact with the outer layer of strand being collected on... | 04/03/1984 |
| 4309202 | Method and apparatus for forming and packaging multistrand roving The disclosure embraces a method of and apparatus for processing fibers or filaments of glass or other fiber-forming material into a roving and packaging the roving, the fibers or filaments during advancement being initially separated or segregated into s... | 01/05/1982 |
| 4295871 | Sizing composition and glass fibers treated with the aid of such composition Sizing compositions comprising a combination of several adhesive agents capable of being cross-linked, an acrylic polymer and a coupling agent, are used to treat glass fibers in order to provide improved plastic reinforcing fibers especially suited to use... | 10/20/1981 |
| 4170459 | Method for collecting glass fibers An array of fibers is passed in contact with a contact surface, creating a frictional drag force on the fibers. The drag force is modified to bring the fibers in the array to a uniform alignment in order to more easily divide the array into bundles of fib... | 10/09/1979 |
| 4110094 | Method of forming glass fiber A glass fiber sizing composition comprising a phenolic epoxy resin; the reaction product of a partial ester of a polycarboxylic acid which contains one or more unesterified carboxyl groups with a compound containing more than one epoxy group; a glass fibe... | 08/29/1978 |
| 4065065 | Method and apparatus for collecting strand material A method and apparatus are disclosed for collecting strand material, and especially glass strands. The method comprises oscillating the mid point of a rotating surface on which the strand material is collected through an included angle from the horizontal... | 12/27/1977 |
