...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6596048 | Device and method for the centrifuging of mineral fibers The present invention relates to a device for the internal centrifugation of fine mineral fibres, a method for forming fine mineral fibres, and paper containing fine mineral fibres.... | 07/22/2003 |
| 6367288 | Method and apparatus for preventing burner-hole build-up in fused silica processes In furnaces for producing high purity fused silica glass boules, glass particles have a tendency to build-up adjacent the burner hole rim. It was discovered that unburned furnace gases containing silica particles where re-circulated in the furnace close t... | 04/09/2002 |
| 5970752 | High temperature, grooved filament guide which is coated with a thermally conductive material A flame attenuation apparatus for forming flame attenuated fibers, preferably glass fibers, includes means for providing continuous filaments; burner means for providing a high temperature, high energy stream of combustion gases; means for feeding the con... | 10/26/1999 |
| 5955011 | Evaporative cooling apparatus and method for a fine fiber production process Fine fibers are formed and carried in a high energy, high temperature gaseous stream to a primary fine fiber collection surface where fine fibers are collected from the gaseous stream. Gases of the gaseous stream along with fine fibers not removed from th... | 09/21/1999 |
| 5639291 | Method of and apparatus for forming composite and other fibers In a method of and an apparatus for forming composite and other fibers, individual filaments from two or more sets of continuous primary filaments of two or more heat-softenable fiberizable materials are brought together lengthwise to form pairs of contin... | 06/17/1997 |
| 4889546 | Method and apparatus for forming fibers from thermoplastic materials Method and apparatus for attenuating glass fibers. Primary glass is delivered into a primary, high temperature, high velocity gaseous blast to produce fibers that are attenuated while carried by said primary blast. While the fibers are above the minimum g... | 12/26/1989 |
| 4861362 | Method and apparatus for forming fibers from thermoplastic materials Method and apparatus for attenuating glass fibers. Primary glass is delivered into a primary, high temperature, high velocity gaseous blast to produce fibers that are attenuated while carried by said primary blast. While the fibers are above the minimum g... | 08/29/1989 |
| 4838917 | Process and apparatus for the production of very fine mineral fibers, in particular glass fibers The streams of melt issuing from the melt outlet apertures (18) at the bottom of a melting crucible (14) are broken up into fibers in a drawing nozzle by means of a blast medium directed substantially parallel to the streams of melt. The blast medium is p... | 06/13/1989 |
| 4822392 | Apparatus for producing fibres from silicate raw materials such as basalt by blast drawing Apparatus for producing mineral fibres from silicate raw materials such as basalt by blast drawing. When blast drawing is used to produce mineral fibres from basalt, there is arranged between the entry zone (26) of the chute (16) and the exit zone of the ... | 04/18/1989 |
| 4698085 | Apparatus for producing mineral fibres from silicate raw materials such as basalt, in particular by blast drawing In the production of bonded mineral fibre wool, binder is injected in the chute (16) onto the fibres, as a result of which there is a tendency for the fibres to adhere to the walls of the chute (16) and to form encrustations due to binder becoming cured i... | 10/06/1987 |
| 4548632 | Process for producing fine fibers from viscous materials A process for producing fine fibers, which comprises (1) allowing a viscous material to flow out from a flowout orifice, (2) blowing a rectilinear first high-speed gas stream from each of at least three circumferentially spaced gas jet nozzles disposed around the f... | 10/22/1985 |
| 4531959 | Method and apparatus for coating optical fibers Optical fibers are coated under pressure to reduce the amount of bubbles entrapped in the coating and provide good coating concentricities. The fiber is drawn axially thru a thin-walled, cylindrical flow distribution sleeve which is located between a guid... | 07/30/1985 |
| 4496385 | Apparatus for producing a continuous glass filament mat A method and apparatus for producing a mat of continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of an oscillatable, fluidic distribution system.... | 01/29/1985 |
| 4494970 | Apparatus for production of fiber mats In a process for the production of mats made of organic or inorganic fibres, comprising dispersing fibers in a flowing gas so as to issue together from a channel, depositing the fibers on a perforated conveyor belt for the formation of the mat, and removi... | 01/22/1985 |
| 4414010 | Apparatus for attenuating mineral fibers An attenuating burner apparatus which requires less energy to soften the glass filaments. A shroud is provided for the attenuation zone which retains heat and limits the amount of dilution air that is entrained by the attenuation blast. The forward portio... | 11/08/1983 |
| 4389232 | Apparatus for making fibers from thermoplastic materials Fiberization of thermoplastic materials is effected by a technique employing an attenuating blast having a Coanda surface on the blast nozzle lip, the arrangement providing for delivery of a stream of molten material into the region of gaseous currents fl... | 06/21/1983 |
| 4347070 | Controls for toration fiberization Equipment is disclosed for gas blast attenuation of attenuable materials by the toration type of technique according to which a gaseous jet is directed transversely into a gaseous blast of larger cross section, thereby developing a zone of interaction of ... | 08/31/1982 |
| 4343640 | Attenuation burner for forming fibers This invention relates to a burner apparatus (10) suitable for use in the flame attenuation of glass filaments. The flame attenuation burners of the prior art are subject to deleterious deposits of glass that have not been properly attenuated by the burne... | 08/10/1982 |
| 4318725 | Apparatus for discharging a flow of gases A blower for discharging a gaseous flow to attenuate molten mineral material into mineral fibers comprises a body member and a lid member defining a gas supply manifold and a gas discharge slot, and a screw having lower and upper threaded portions to enga... | 03/09/1982 |
| 4268293 | Stabilization of glass feed in fiberization by toration Method and apparatus are disclosed providing both for separation of the components of a toration fiberizing center, including separation of both the glass stream supply means and of the secondary or carrier jet from the blast, and at the same time further... | 05/19/1981 |
| 4249926 | Method for jet attenuation of fibers with localized combustion Multiple jet fiber attenuation, the jets converging to provoke mutual impact and create a combined jet flow, the jets comprising fuel and comburent components in proportions providing a combustible mixture in the combined jet flow, a stream of attenuable ... | 02/10/1981 |
| 4199338 | Controls for toration fiberization Equipment is disclosed for gas blast attenuation of attenuable materials by the toration type of technique according to which a gaseous jet is directed transversely into a gaseous blast of larger cross section, thereby developing a zone of interaction of ... | 04/22/1980 |
| 4194897 | Method for making fibers from glass or other attenuable materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 03/25/1980 |
| 4185981 | Method for producing fibers from heat-softening materials Method and apparatus for producing fibers from a heat-softening material in which the heat-softening material is heated to a viscous melt, and directly and continuously flowed out while its sectional shape being rendered substantially circular. High speed... | 01/29/1980 |
| 4159199 | Method and apparatus for forming fibers by gas blast attenuation Gas blast attenuation is disclosed including the use of a pair of gaseous jets having axes lying in a common plane and directed to impinge upon each other preferably at an acute angle, the attenuable material being introduced into the influence of air ind... | 06/26/1979 |
| 4146378 | Fiber formation by use of gas blast attenuation Method and equipment are disclosed for forming fibers from attenuable material, such as molten glass, by the use of a jet penetrating transversely into a blast and by the of a structural element positioned adjacent to the path of the jet for establishing ... | 03/27/1979 |
| 4145203 | Apparatus for forming fibers from attenuable material Equipment is disclosed for developing high velocity gas blasts or jets arranged to effect fiber formation from attenuable material, such as molten glass. Preferably the apparatus is arranged to effect the attenuation in two stages, each of which utilizes ... | 03/20/1979 |
| 4140509 | Method and apparatus for making fibers from thermoplastic materials Method and equipment are disclosed for forming fibers from attenuable material such as molten glass, by the use of high velocity whirling gas currents or tornadoes. Attenuation is preferably effected in two stages, the first of which utilizes a pair of hi... | 02/20/1979 |
| 4137059 | Method and apparatus for making fibers from attenuable materials The attenuation technique disclosed utilizes high velocity whirling currents or tornadoes formed in a toration zone i.e., a zone of interaction of a principle blast or current of gases and a gaseous carrier jet directed transversely into the blast. The ar... | 01/30/1979 |
| 4135903 | Method for producing fibers from heat-softening materials Method and apparatus for producing fibers from a heat-softening material in which the heat-softening material is heated to a viscous melt, and directly and continuously flowed out while its sectional shape being rendered substantially circular. High speed... | 01/23/1979 |
| 4123243 | Apparatus for forming fibers by toration Equipment for effecting fiberization of attenuable materials by toration including components establishing a plurality of side-by-side fiberizing zones in a gaseous blast. The disclosed arrangement includes means for delivering gaseous jets into the fiber... | 10/31/1978 |
| 4118213 | Method and apparatus for fiberizing attenuable materials and product thereof Method and apparatus are disclosed for converting a stream of attenuable material into a fiber by a two-stage attenuation technique, the two stages being effected sequentially by employment of a gaseous jet and a gaseous blast, thereby producing a single ... | 10/03/1978 |
| 4113456 | Fiberization energy conservation Gas blast attenuation of thermoplastic attenuable material is disclosed including the use of a principle current or blast with one or more jets of smaller cross section directed transversely into the blast and creating zones of interaction having whirling... | 09/12/1978 |
| 4102662 | Method and apparatus for making fibers from thermoplastic materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 07/25/1978 |
| 4070173 | Method and apparatus for fiberizing attenuable materials Method and apparatus are disclosed for converting a stream of attenuable material into a fiber by employment of a gaseous jet penetrating a gaseous blast, thereby producing a zone of interaction in which the stream is attenuated to form a single long fibe... | 01/24/1978 |
| 4015964 | Method and apparatus for making fibers from thermoplastic materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 04/05/1977 |
| 4015963 | Method and apparatus for forming fibers by toration Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 04/05/1977 |