US3853526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature roller with high silica fabric sleeve
Assignee: Saint Gobain Industries SA
•
Filing: 1972-10-13
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Granted: 1974-12-10
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Expires: 1992-10-13
Abstract
Abstract The invention is directed to the construction of a roller used to convey hot glass sheets and includes the application of a seamless compressible fabric sleeve of silica fibers covering a rigid refractory cylindrical core.
Inventors
- 👤 P Hochart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:11
CPC Classifications
C; C03; C03B; C03B35/00; C03B35/14; C03B35/16; C03B35/18; C03B35/189; C03B35/165; C03B35/181; C03B35/185; C03B35/186
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
48 words
A ROLLER FOR THE TRANSPORTATION OF HOT GLASS SHEETS AT SOFTENING TEMPERATURES WHICH COMPRISES A RIGID, REFRACTORY CYLINDRICAL CORE AND A SEAMLESS SURFACE CONSISTING ESSENTIALLY OF A COMPRESSIBLE FABRIC SLEEVE THAT CONSISTS ESSENTIALLY OF SILICA FIBERS WHICH DO NOT BECOME DEHYDRATED OR DEGRADED AT THE TEMPERATUE OF USE.
Claim 2
Dependent Claim
48 words
A ROLLER FOR THE TRANSPORTATION OF HOT GLASS SHEETS AT SOFTENING TEMPERATURES WHICH COMPRISES A RIGID, REFRACTORY CYLINDRICAL CORE AND A SEAMLESS SURFACE CONSISTING ESSENTIALLY OF A COMPRESSIBLE FABRIC SLEEVE THAT CONSISTS ESSENTIALLY OF SILICA FIBERS WHICH DO NOT BECOME DEHYDRATED OR DEGRADED AT THE TEMPERATUE OF USE.
Claim 3
Dependent Claim
33 words
A roller for transporting hot glass comprising an axle, wheels thereon spaced therealong, a seamless, inert, inorganic sleeve covering the wheEls, and clamping means fastening the sleeve to the axle between the wheels.
Claim 4
Dependent Claim
33 words
A roller for transporting hot glass comprising an axle, wheels thereon spaced therealong, a seamless, inert, inorganic sleeve covering the wheEls, and clamping means fastening the sleeve to the axle between the wheels.
Claim 5
Dependent Claim
17 words
A roller according to claim 2 in which the wheels have fibrous, refractory tires beneath the sleeve.
Claim 6
Dependent Claim
28 words
A roller for the transportation of hot glass sheets at softening temperatures which comprises a rigid, cylindrical core of silica and a seamless, compressible fabric sleeve of silica.
Claim 7
Dependent Claim
28 words
A roller for the transportation of hot glass sheets at softening temperatures which comprises a rigid, cylindrical core of silica and a seamless, compressible fabric sleeve of silica.
Claim 8
Dependent Claim
18 words
A roller according to claim 4 in which the silica sleeve is composed of braided strands of silica.
Claim 9
Dependent Claim
38 words
A roller for the transportation of hot glass sheets at softening temperatures which comprises a rigid, refractory cylindrical core and a seamless outer surface comprising a seamless fabric sleeve consisting essentially of a compressible layer of silica fibers.
Claim 10
Dependent Claim
38 words
A roller for the transportation of hot glass sheets at softening temperatures which comprises a rigid, refractory cylindrical core and a seamless outer surface comprising a seamless fabric sleeve consisting essentially of a compressible layer of silica fibers.
References Cited (Backward Citations)
US2326044A
Cited
US3315774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |