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7629280 |
Mineral fibre products
The properties of mineral fibres comprising silicon, magnesium, calcium, iron, aluminium and oxygen atoms are improved by exposure to a heat treatment under oxidising conditions which causes...
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7458235 |
Process and device for formation of mineral wool and mineral wool products
A method is provided to produce fine diameter glass fibers with fewer defects through a combination of lower attenuating gas velocities and the use of spinners having more and smaller holes. The...
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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 )...
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6862901 |
Process and apparatus for producing glass fibers
A process and an apparatus for producing glass fibers by centrifugal force are provided. Molten glass is fed into a hollow cylinder of rotating member which rotates at high speed by means of a...
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6536241 |
Method and device for drawing out mineral wool fibres by free centrifuging
At least two machines placed side by side, including a series of centrifuging wheels arranged in a cascaded manner and driven in rotation about axes all having substantially in a same direction....
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6313050 |
Mineral wool composition
The subject of the invention is a mineral wool capable of being dissolved in a physiological medium and comprising the constituents below in the following percentages by weight: TBL SiO 2 ...
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6107224 |
Glass compositions for high thermal insulation efficiency glass fibers
Glass compositions displaying decreased far infrared radiation transmission, high biosolubility, and excellent moisture resistance are capable of fiberization by the rotary process, and may be used...
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5961897 |
Manufacture of man-made vitreous fiber products
A process is provided for making filled mineral fiber products which comprises applying mineral melt to a rotating fiberizing rotor and thereby throwing from the rotor as fibers and forming a...
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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...
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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...
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5688301 |
Method for producing non-woven material from irregularly shaped glass fibers
An irregularly shaped glass fiber is provided which enjoys improved resiliency, and openness in pack structures. Wool packs and other wool portions having such irregularly shaped fibers may be...
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5614132 |
Method for manufacturing a mineral fiber product
A method for manufacturing a mineral fiber product includes centrifuging mineral fibers with a spinner, forming a veil of the mineral fibers moving in the direction of the axis of the spinner,...
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5523032 |
Method for fiberizing mineral material with organic material
A method for fiberizing mineral material with organic material includes centrifuging mineral fibers from molten mineral material with a first rotating spinner, changing the direction of the mineral...
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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...
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4759974 |
Glass fiberization
Glass fibers for insulation uses are produced by means of a centrifugal spinner which introduces glass streams into an annular attenuating blast adjacent the periphery of the spinner. An improved...
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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...
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4298367 |
Method of and device for cleansing in a fibre blanket manufacturing plant
In a plant of making a blanket from fibres which are thrown or set together with polymerizable binder particles or droplets onto a perforated conveying belt, a method of cleansing consisting in:...
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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...
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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...
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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...
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3902878 |
Method and apparatus for producing fibers and environmental control therefor
The disclosure embraces a method of and arrangement for effecting environmental control of the fiber-attenuating or fiberizing zone in a fiber-forming process wherein centrifuged bodies of...
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3649233 |
METHOD OF AND APPARATUS FOR THE PRODUCTION OF GLASS OR OTHER FIBERS FROM THERMOPLASTIC MATERIALS
The production of fibers from thermoplastic materials, and especially glass fibers from molten vitreous material, by fixing droplets of the material onto sharp points of a horizontally rotating...
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3533769 |
METHOD FOR SPINNING WOOL FROM IGNEOUS ROCK
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3343933 |
Binder distribution method for producing mineral wool board
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3233989 |
Method and apparatus for forming fibers
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2944284 |
Binder distribution and atomizing system for fiberizing apparatus
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