US4734144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Banded-tire building method
Assignee: Grumman Corp
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Filing: 1985-04-25
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Granted: 1988-03-29
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Expires: 2005-04-25
Abstract
Abstract An annular band is positioned between a tire carcass and the crown portion. The band is comprised of individual laminate sheets that are pre-impregnated with a high fracture toughness resin that resists microtears. The individual sheets of the band are stitched together thereby enhancing the interlaminar shear resistance of the band. The curing process is expedited by co-curing the band, positioned in place, over the tire carcass. A plastic film covers the interface between the band and adjacent rubber to prevent contamination of the interface materials.
Inventors
- 👤 Edward G. Markow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/18; B60C9/26; B60C9/263; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/30; B29D30/3021; B29D30/3028; B29D30/70; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
92 words
A method of fabricating a banded tire comprising the steps: impregnating the layers of a reinforcing band with a preselected resin to form an uncured laminated band; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; and applying an impermeable plastic film around the surface of the band, before the positioning step, to protect rubber at the band-rubber interface from contamination by the resin.
Claim 2
Independent Claim
92 words
A method of fabricating a banded tire comprising the steps: impregnating the layers of a reinforcing band with a preselected resin to form an uncured laminated band; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; and applying an impermeable plastic film around the surface of the band, before the positioning step, to protect rubber at the band-rubber interface from contamination by the resin.
Claim 3
Dependent Claim
39 words
The method set forth in claim 1 together with the step of stitching only the layers of the band, before the step for applying an impermeable plastic film around the band surface, for increasing its resistance to interlaminar shear.
Claim 4
Independent Claim
142 words
A method for fabricating a banded tire comprising the steps: spirally winding a plurality of resin impreganated layers over a mandrel; covering the plurality of layers with an adhesive film; overwrapping the adhesive film with at least one spirally wound layer of resin-impregnated reinforcing material to form an uncured laminated band; removing the resulting laminated band from the mandrel; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; and limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; wherein the utilization of the adhesive film improves fracture toughness of the band when subjected to impact loading; applying an impermeable plastic film around the surface of the band, before the positioning step, to protect rubber at the band-rubber interface from contamination by the resin.
Claim 5
Independent Claim
142 words
A method for fabricating a banded tire comprising the steps: spirally winding a plurality of resin impreganated layers over a mandrel; covering the plurality of layers with an adhesive film; overwrapping the adhesive film with at least one spirally wound layer of resin-impregnated reinforcing material to form an uncured laminated band; removing the resulting laminated band from the mandrel; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; and limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; wherein the utilization of the adhesive film improves fracture toughness of the band when subjected to impact loading; applying an impermeable plastic film around the surface of the band, before the positioning step, to protect rubber at the band-rubber interface from contamination by the resin.
Claim 6
Independent Claim
156 words
A method for fabricating a banded tire comprising the steps: spirally winding a plurality of resin impregnated layers over a mandrel; covering the plurality of layers with an adhesive film; overwrapping the adhesive film with at least one spirally wound layer of resin-impregnated reinforcing material to form an uncured laminated band; removing the resulting laminated band from the mandrel; stitching the layers of the band for increasing the tire's resistance to interlaminar shear; applying an impermeable plastic film around the surface of the band to protect rubber at a band-rubber interface of a resultant tire from contamination by the rubber; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; and limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; wherein the utilization of the adhesive film improves fracture toughness of the band when subjected to impact loading.
Claim 7
Independent Claim
156 words
A method for fabricating a banded tire comprising the steps: spirally winding a plurality of resin impregnated layers over a mandrel; covering the plurality of layers with an adhesive film; overwrapping the adhesive film with at least one spirally wound layer of resin-impregnated reinforcing material to form an uncured laminated band; removing the resulting laminated band from the mandrel; stitching the layers of the band for increasing the tire's resistance to interlaminar shear; applying an impermeable plastic film around the surface of the band to protect rubber at a band-rubber interface of a resultant tire from contamination by the rubber; positioning the uncured laminated band as a breaker assembly around an uncured tire carcass; and limiting curing of the band and the carcass for the same time period only, wherein the band and carcass are co-cured in situ; wherein the utilization of the adhesive film improves fracture toughness of the band when subjected to impact loading.
References Cited (Backward Citations)
US1220178A
Cited
US3372078A
Cited
US3315722A
Cited
US3390714A
Cited
US3422874A
Cited
US3677852A
Cited
US3583463A
Cited
US3663333A
Cited
US3698975A
Cited
US3990930A
Cited
US3891740A
Cited
US4166883A
Cited
US3933553A
Cited
US3976739A
Cited
US4065338A
Cited
US4039366A
Cited
US3969568A
Cited
US4111249A
Cited
US4127039A
Cited
US4263083A
Cited
US4299871A
Cited
US4308083A
Cited
US4318434A
Cited
US4428411A
Cited
US4456048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |