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Patent US4330312A successfully refreshed from Google Patents.
US4330312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for flowing streams of fiber-forming material for attenuation to fibers or filaments
Assignee: Owens Corning Fiberglas Technology Inc
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Filing: 1980-11-03
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Granted: 1982-05-18
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Expires: 2000-11-03
Abstract
Abstract The disclosure embraces a method of and apparatus for processing heat-softened glass wherein a body of refractory has a cavity containing heat-softened glass and a floor construction associated with the body of refractory. The floor construction includes platinum alloy means having rows of orifices for flowing glass streams from the glass in the cavity in the refractory body and members of refractory associated with the platinum alloy means disposed between regions of certain of the rows of stream flow orifices.
Inventors
- 👤 Robert L. Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:16
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/095; C03B37/083
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
80 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction associated with the body of refractory, said construction including a plurality of platinum alloy sections arranged in spaced relation, each section having orifices for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between the platinum alloy sections, the platinum alloy sections being in sealing relation with the members of refractory.
Claim 2
Dependent Claim
80 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction associated with the body of refractory, said construction including a plurality of platinum alloy sections arranged in spaced relation, each section having orifices for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between the platinum alloy sections, the platinum alloy sections being in sealing relation with the members of refractory.
Claim 3
Dependent Claim
94 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction associated with the body of refractory, said construction including platinum alloy means, said platinum alloy means including a plurality of platinum alloy sections in spaced relation, each section having at least one row of stream flow orifices for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between the platinum alloy sections, and sealing means between the platinum alloy sections and the members of refractory.
Claim 4
Dependent Claim
94 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction associated with the body of refractory, said construction including platinum alloy means, said platinum alloy means including a plurality of platinum alloy sections in spaced relation, each section having at least one row of stream flow orifices for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between the platinum alloy sections, and sealing means between the platinum alloy sections and the members of refractory.
Claim 5
Dependent Claim
13 words
Apparatus according to claim 2 wherein the refractory of the members is alumina.
Claim 6
Dependent Claim
16 words
Apparatus according to claim 2 wherein the refractory of the body is of high density zircon.
Claim 7
Dependent Claim
130 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced relation, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a bus bar construction for conducting electric current, a plurality of current-conducting clamping means, each of said clamping means being secured to one of the platinum alloy sections and the bus bar construction for conducting electric current from the bus bar construction through the platinum alloy sections, and means supporting the bus bar construction.
Claim 8
Dependent Claim
130 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced relation, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a bus bar construction for conducting electric current, a plurality of current-conducting clamping means, each of said clamping means being secured to one of the platinum alloy sections and the bus bar construction for conducting electric current from the bus bar construction through the platinum alloy sections, and means supporting the bus bar construction.
Claim 9
Dependent Claim
19 words
Apparatus according to claim 5 including sealing means for securing the platinum alloy sections to the members of refractory.
Claim 10
Dependent Claim
81 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced relation, members of refractory disposed between the platinum alloy sections, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, and expansion joints between certain of the platinum alloy sections and adjacent refractory members.
Claim 11
Dependent Claim
81 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced relation, members of refractory disposed between the platinum alloy sections, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, and expansion joints between certain of the platinum alloy sections and adjacent refractory members.
Claim 12
Dependent Claim
16 words
Apparatus according to claim 7 wherein each expansion joint comprises a strip of alloy containing platinum.
Claim 13
Dependent Claim
24 words
Apparatus according to claim 8 wherein each of the strips is in sealing engagement with the adjacent platinum alloy section and member of refractory.
Claim 14
Dependent Claim
149 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity adapted to contain heat-softened glass, a floor construction associated with the body of refractory, said floor construction including a plurality of spaced ceramic members and a plurality of sections of platinum alloy, the sections of platinum alloy being joined with the ceramic members in bridging the spaces between adjacent ceramic members, said platinum alloy sections being sealed to the ceramic members, short sections of ceramic material disposed adjacent the end regions of the ceramic members, sealing means between the lower surface of the cavity body and the ceramic members and short sections of ceramic, the sections of platinum alloy between adjacent ceramic members being provided with rows of orifices through which flow streams of glass from the cavity in the body, and means for supplying electric energy to each of said platinum alloy sections.
Claim 15
Dependent Claim
149 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity adapted to contain heat-softened glass, a floor construction associated with the body of refractory, said floor construction including a plurality of spaced ceramic members and a plurality of sections of platinum alloy, the sections of platinum alloy being joined with the ceramic members in bridging the spaces between adjacent ceramic members, said platinum alloy sections being sealed to the ceramic members, short sections of ceramic material disposed adjacent the end regions of the ceramic members, sealing means between the lower surface of the cavity body and the ceramic members and short sections of ceramic, the sections of platinum alloy between adjacent ceramic members being provided with rows of orifices through which flow streams of glass from the cavity in the body, and means for supplying electric energy to each of said platinum alloy sections.
Claim 16
Dependent Claim
38 words
Apparatus according to claim 10 wherein the means for supplying electric energy comprises bus bars connected with a source of electric energy, and means establishing electrical contact between each of the platinum alloy sections and the bus bars.
Claim 17
Dependent Claim
154 words
Apparatus for delivering streams of heat-softened glass comprising a block of refractory having a cavity adapted to contain heat-softened glass, a floor construction for the block of refractory, the floor construction including a plurality of spaced ceramic members and a plurality of strips of platinum alloy, the strips of platinum alloy bridging the spaces between adjacent ceramic members, said platinum alloy strips being in sealing relation with the ceramic members, short sections of ceramic material disposed adjacent the end regions of the ceramic members, said short sections of ceramic material being sealed to the adjacent ceramic members and the platinum alloy strips, the strips of platinum alloy between adjacent ceramic members being provided with orifices through which flow streams of glass from the cavity in the block, a bus bar construction connected with a source of electric energy, and means for conducting electric energy from the bus bar construction through the platinum alloy strips.
Claim 18
Dependent Claim
154 words
Apparatus for delivering streams of heat-softened glass comprising a block of refractory having a cavity adapted to contain heat-softened glass, a floor construction for the block of refractory, the floor construction including a plurality of spaced ceramic members and a plurality of strips of platinum alloy, the strips of platinum alloy bridging the spaces between adjacent ceramic members, said platinum alloy strips being in sealing relation with the ceramic members, short sections of ceramic material disposed adjacent the end regions of the ceramic members, said short sections of ceramic material being sealed to the adjacent ceramic members and the platinum alloy strips, the strips of platinum alloy between adjacent ceramic members being provided with orifices through which flow streams of glass from the cavity in the block, a bus bar construction connected with a source of electric energy, and means for conducting electric energy from the bus bar construction through the platinum alloy strips.
Claim 19
Dependent Claim
73 words
Apparatus according to claim 12 wherein the means for conducting electric energy from the bus bar construction through the platinum alloy strips include an individual clamping means between the end regions of each of the platinum alloy strips and the bus bar construction, and a slotted spacer between the end regions of each of the platinum alloy strips and the adjacent clamping means, said slotted spacers being adjustable to control electric energy distribution.
Claim 20
Dependent Claim
115 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced parallel relation, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a comparatively thin sheet of platinum alloy engaging the upper surfaces of the platinum alloy sections and members of refractory, said sheet of platinum alloy having orifices in registration with the orifices in said sections of platinum alloy.
Claim 21
Dependent Claim
115 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced parallel relation, orifices in said sections for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a comparatively thin sheet of platinum alloy engaging the upper surfaces of the platinum alloy sections and members of refractory, said sheet of platinum alloy having orifices in registration with the orifices in said sections of platinum alloy.
Claim 22
Dependent Claim
121 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced parallel relation, said sections having rows of depending projections, said projections having passages therein for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a comparatively thin sheet of platinum alloy engaging the upper surfaces of the platinum alloy sections and members of refractory, said sheet of platinum alloy having orifices in registration with the passages in said depending projections.
Claim 23
Dependent Claim
121 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy sections arranged in spaced parallel relation, said sections having rows of depending projections, said projections having passages therein for flowing glass streams from the glass in the cavity of the refractory body, support means for the platinum alloy sections comprising members of refractory disposed between adjacent sections of platinum alloy, a comparatively thin sheet of platinum alloy engaging the upper surfaces of the platinum alloy sections and members of refractory, said sheet of platinum alloy having orifices in registration with the passages in said depending projections.
Claim 24
Dependent Claim
141 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including platinum alloy plate means having orifices for flowing glass streams from the glass in the cavity of the refractory body, said floor construction including a plurality of spaced members of refractory adjacent the platinum alloy plate means, a bus bar construction connected with a source of electric energy, means for conducting electric energy from the bus bar construction through the platinum alloy plate means, said conducting means including clamping means between the bus bar construction and the platinum alloy plate means, a slotted spacer between each of the clamping means and the platinum alloy plate means, said slotted spacers being adjustable relative to the plate means to control electric energy distribution.
Claim 25
Dependent Claim
141 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including platinum alloy plate means having orifices for flowing glass streams from the glass in the cavity of the refractory body, said floor construction including a plurality of spaced members of refractory adjacent the platinum alloy plate means, a bus bar construction connected with a source of electric energy, means for conducting electric energy from the bus bar construction through the platinum alloy plate means, said conducting means including clamping means between the bus bar construction and the platinum alloy plate means, a slotted spacer between each of the clamping means and the platinum alloy plate means, said slotted spacers being adjustable relative to the plate means to control electric energy distribution.
Claim 26
Dependent Claim
142 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy strips arranged in spaced relation, orifices in said platinum alloy strips for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between adjacent strips of platinum alloy, a bus bar construction connected with a source of electric energy, means for conducting electric energy from the bus bar construction through the platinum alloy strips, said conducting means including clamping means between each of the strips and the bus bar construction, a slotted spacer between each of the clamping means and the platinum alloy strips, said slotted spacers being adjustable relative to the platinum alloy strips to control electric energy distribution.
Claim 27
Dependent Claim
142 words
Apparatus for delivering streams of heat-softened glass comprising a body of refractory having a cavity containing heat-softened glass, a floor construction for the body of refractory, said floor construction including a plurality of platinum alloy strips arranged in spaced relation, orifices in said platinum alloy strips for flowing glass streams from the glass in the cavity of the refractory body, members of refractory disposed between adjacent strips of platinum alloy, a bus bar construction connected with a source of electric energy, means for conducting electric energy from the bus bar construction through the platinum alloy strips, said conducting means including clamping means between each of the strips and the bus bar construction, a slotted spacer between each of the clamping means and the platinum alloy strips, said slotted spacers being adjustable relative to the platinum alloy strips to control electric energy distribution.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-17 | 1985-11-16 | 1986-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-17 | 1989-11-16 | 1990-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-17 | 1993-11-16 | 1994-05-18 | $7700.00 | Window Closed / Lapsed |