Open bottomed spinner for mineral fibers
First Claim
1. A spinner for centrifuging molten mineral material into mineral fibers comprising a spinner peripheral wall mounted for rotation, the peripheral wall having a plurality of orifices for passing molten mineral material to form mineral fibers, an annular spinner bottom wall having an inner and outer periphery, the inner periphery defining an open bore, the bottom wall being connected at its outer periphery to the peripheral wall and adapted to receive a stream of molten mineral material and direct the molten mineral material by centrifugal force to the peripheral wall, a central hub, and spoke members connecting the hub and the bottom wall to enable rotational force to be transferred from the hub to the peripheral wall, the spoke members enabling a substantial flow of air downwardly through the bore.
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Accused Products
Abstract
A spinner for centrifuging molten glass into glass fibers comprises a spinner peripheral wall having orifices for forming mineral fibers, and an annular spinner bottom wall defining an open bore, the bottom wall being connected at its outer periphery to the peripheral wall and adapted to receive a stream of molten glass, a central hub, and spoke members connecting the hub and the bottom wall to enable rotational force to be transferred from the hub to the peripheral wall, the spoke members enabling a substantial flow of air downwardly through the bore.
17 Citations
17 Claims
- 1. A spinner for centrifuging molten mineral material into mineral fibers comprising a spinner peripheral wall mounted for rotation, the peripheral wall having a plurality of orifices for passing molten mineral material to form mineral fibers, an annular spinner bottom wall having an inner and outer periphery, the inner periphery defining an open bore, the bottom wall being connected at its outer periphery to the peripheral wall and adapted to receive a stream of molten mineral material and direct the molten mineral material by centrifugal force to the peripheral wall, a central hub, and spoke members connecting the hub and the bottom wall to enable rotational force to be transferred from the hub to the peripheral wall, the spoke members enabling a substantial flow of air downwardly through the bore.
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6. A fiberizer for making mineral fibers comprising:
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a. a spinner for centrifuging molten mineral material into mineral fibers comprising a spinner peripheral wall mounted for rotation, the peripheral wall having a plurality of orifices for passing molten mineral material to form mineral fibers, an annular spinner bottom wall having an inner and outer periphery, the inner periphery defining an open bore, the bottom wall being connected at its outer periphery to the bottom wall and adapted to receive a stream of molten mineral material and direct the molten mineral material by centrifugal force to the peripheral wall, a central hub, and spoke members connecting the hub and the peripheral wall to enable rotational force to be transferred from the hub to the peripheral wall, the spoke members enabling a substantial flow of air downwardly through the bore; b. a burner for heating the mineral material; c. means for rotating the spinner; d. a blower for turning the mineral fibers downward; and
,e. an air supply passageway positioned above the spinner and adapted to supply a flow of air to the bore. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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- 13. A method of centrifuging molten mineral material into mineral fibers comprising rotating a spinner having a peripheral wall, the peripheral wall having a plurality of orifices for passing molten mineral material to form mineral fibers, the spinner having an annular spinner bottom wall having an inner and outer periphery, the inner periphery defining an open bore, the bottom wall being connected at its outer periphery to the peripheral wall and adapted to receive a stream of molten mineral material and direct the molten mineral material by centrifugal force to the peripheral wall, the spinner also having a central hub and spoke members connecting the hub and the bottom wall to enable rotational force to be transferred from the hub to the peripheral wall, the spoke members enabling a substantial flow of air downwardly through the bore, supplying molten mineral material to the spinner, and supplying a flow of air downwardly through the bore.
Specification