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| Number | Title | Issue Date |
| 7354541 | Method and device for making mineral fiber felts The subject of the invention is a unit for manufacturing felts (6) which are formed from crosslinked mineral fibers, comprising at least one pair of conveyors formed by a lower conveyor (11) and an upper conveyor (12) which are placed opposite e... | 04/08/2008 |
| 7174747 | Use of corrugated hose for admix recycling in fibrous glass insulation The present invention relates to a method for improving the thermal performance of fibrous glass insulation in the admix recycling of the insulation, which includes the use of corrugated hose in the recycling process. ... | 02/13/2007 |
| 5906669 | Man-made vitreous fiber products and processes and apparatus for their production The invention relates to an arrangement for cleaning a wool chamber in the manufacture of mineral wool. In the manufacture of mineral wool a binder is added to the stream of fibers which is deflected towards the wool chamber and the binder deposits itself... | 05/25/1999 |
| 5900206 | Method of making a fibrous pack A method of making a fibrous pack includes centrifuging at least two sets of mineral fibers from molten mineral material using at least two rotary mineral fiber spinners that are arranged in a machine direction along a collection surface, directing each s... | 05/04/1999 |
| 5603743 | High frequency air lapper for fibrous material A method and apparatus for distributing fibrous material includes establishing a flow of fibrous material, positioning at least two flow distributors in a position to direct a gaseous flow into contact with the flow of fibrous material, such as a flow of ... | 02/18/1997 |
| 5582841 | Fiber manufacturing spinner and fiberizer A fiber manufacturing apparatus including a spinner, fixed to one end of a rotatable shaft and equipment for supplying at least one molten thermoplastic material to the spinner is provided. The spinner includes a radial wall and an outer peripheral wall. ... | 12/10/1996 |
| 5468274 | Process and apparatus for making mineral wool fibres The invention relates to fiberizing apparatus for forming mineral wool and a process using that apparatus. The apparatus comprises a set (1) of at least three rotors mounted for rotation about respective horizontal axes. Melt is poured onto the top rotor ... | 11/21/1995 |
| 5116397 | Fibrillation device for the manufacture of mineral wool In a fibrillation device for the manufacture of mineral wool, the mineral wool melt runs down onto the peripehral surface of a spinning wheel from which it is thrown to further spinning wheels. The melt is thrown out as fibres which are subjected to a str... | 05/26/1992 |
| 4966616 | Mineral wool centrifuge A mineral wool centrifuge which comprises a rotatable centrifuge wheel (3) for the defibration of a molten mineral material to be passed on to said centrifuge wheel; a driving motor (2) for the rotation of the centrifuge wheel; a blowing air nozzle/blowin... | 10/30/1990 |
| 4632685 | Apparatus for forming of felts which have an isotropic structure The invention relates to the forming of felts, the fibres of which are disposed in random directions. These felts are obtained by depositing the fibres which are carried by a current of gas on a gas-permeable conveyor, the fibres, prior to being deposited... | 12/30/1986 |
| 4541854 | Enhanced surface fiberizer An apparatus for converting thermoplastic molten material stream into fibers to produce fibers, particularly to produce mineral wool from molten mineral raw material. The device combines a slinger cup wheel with a pair of fiberizing rotors. The rotors hav... | 09/17/1985 |
| 4525190 | Apparatus for producing glass fibers with centrifugal force A method for producing glass fibers with centrifugal force, comprising melting raw materials for the production of glass fibers in a melting furnace, flowing-down the molten glass from a nozzle at the bottom of the furnace so as to let the molten glass fa... | 06/25/1985 |
| 4483699 | Method for producing glass fibers with centrifugal force A method for producing glass fibers with centrifugal force, comprising melting raw materials for the production of glass fibers in a melting furnace, flowing-down the molten glass from a nozzle at the bottom of the furnace so as to let the molten glass fa... | 11/20/1984 |
| 4468931 | Ultrahigh velocity water-cooled copper spinner A fiberizing spinner for converting a stream of molten material into a plurality of fibers includes a substantially cylindrically shaped copper shell. A complementary shaped coolant guide is disposed within the shell and is closely spaced from the inner s... | 09/04/1984 |
| 4468241 | Method and apparatus for fiberizing meltable materials The high velocity gradients associated with the shear layer or boundary layer of a supersonic gas stream, especially the potential core thereof, are applied to form fibers of a melted material projected across such gradients. Optimization of the effects o... | 08/28/1984 |
| 4263034 | Method and apparatus for control of fiberization of thermoplastic material A process and apparatus for controlling the operating conditions, particularly the temperature and pressure, of attenuating gas employed in the fiberization of thermoplastic materials. The arrangement disclosed provides for temperature and pressure contro... | 04/21/1981 |
| 4234329 | Method for the production of mineral fibers with unitary fiber length characteristics A sample of mineral fibers is dispersed in a liquid and viscosity of the dispersion is measured. The viscosity value provides a rapid measure of the length of the fibers. The measurement is sufficiently rapid that adjustments can be made to operating cond... | 11/18/1980 |
| 4124363 | Method and apparatus for manufacturing inorganic fiber through pendent process and apparatus for carrying out the same A method and an apparatus for manufacturing an inorganic fibers through a pendent process wherein melted glass is allowed to flow down by its own weight in a state of fine streams through a plurality of nozzle holes perforating through the bottom of a gla... | 11/07/1978 |
| 4119421 | Arrangement for fibration of molten mineral Apparatus for manufacturing mineral fibers from a mineral melt. Two groups of spinner wheels are arranged symmetrically with respect to each other. Each group includes a primary spinner wheel which receives molten mineral and a secondary spinner wheel to ... | 10/10/1978 |
| 4105425 | Apparatus for manufacture of mineral wool An apparatus for manufacture of mineral wool by which a flow of liquid melt is thrown off fast rotating rotors and cooled and transported to collecting means by means of a flow of air. According to the invention this flow of air besides an axial velocity ... | 08/08/1978 |
| 4087267 | Controls for use in fiberization systems embodying means for suppression of pollution System for suppression of pollution in fiber attenuating operations, especially in mineral fiber insulation blanket production. The system disclosed provides gas blast attenuation of the attenuable material in a fiber forming chamber and for recirculation... | 05/02/1978 |
| 4077790 | Noise suppressor for a row of rotary fiberizers The lower portions of the guard rings of a row of rotary fiberizing units are surrounded by an elongate rectangular noise suppressor having front and rear panels extending lengthwise of the row and transverse end panels connecting the front and rear panel... | 03/07/1978 |