Patent US1056736A successfully refreshed from Google Patents.
Patent US4684569A successfully refreshed from Google Patents.
US4684569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced V-belt containing fiber-loaded non-woven fabric and method for producing same
Assignee: Highland Industries Inc
•
Filing: 1986-05-05
•
Granted: 1987-08-04
•
Expires: 2006-05-05
Abstract
Abstract A reinforced V-belt and method relating to same in which the V-belt comprises bottom, middle and top portions, the bottom portion consisting of a layer of bias cushion fabric and one or more layers of a seamless "fiber-loaded" non-woven fabric which has been impregnated with first and second solvent solutions and a plurality of chopped or staple length fibers generally oriented in the cross-machine direction relative to the longitudinal axis of the non-woven fabric; the middle portion consists of rubberized cord and a layer of non-woven fabric disposed on top of the rubberized cord; the top portion consists of bias cushion fabric.
Inventors
- 👤 James N. McGee, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:50
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/593; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2762; Y10T442/2861; Y10T442/2869; Y10T442/60; Y10T442/682
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
94 words
A reinforced V-belt having bottom, middle and top portions thereof, said bottom portion comprising a layer of bias cushion fabric and one or more layers of a fiber-loaded non-woven fabric wherein at least 70% of the fibers in said non-woven fabric are oriented generally perpendicular to the longitudinal axis of said non-woven fabric, said middle portion comprising a rubberized cord and a layer of said fiber-loaded non-woven fabric disposed on top of said rubberized cord, and said top portion comprising bias cushion fabric, said fiber-loaded non-woven fabric having first and second solutions impregnated therein.
Claim 2
Dependent Claim
94 words
A reinforced V-belt having bottom, middle and top portions thereof, said bottom portion comprising a layer of bias cushion fabric and one or more layers of a fiber-loaded non-woven fabric wherein at least 70% of the fibers in said non-woven fabric are oriented generally perpendicular to the longitudinal axis of said non-woven fabric, said middle portion comprising a rubberized cord and a layer of said fiber-loaded non-woven fabric disposed on top of said rubberized cord, and said top portion comprising bias cushion fabric, said fiber-loaded non-woven fabric having first and second solutions impregnated therein.
Claim 3
Dependent Claim
25 words
A reinforced V-belt according to claim 1, wherein said first solvent solution comprises one or more rubber compounds, an isocyanate compound and an organic solvent.
Claim 4
Dependent Claim
22 words
A reinforced V-belt according to claim 1, wherein said second solvent solution comprises one or more rubber compounds and an organic solvent.
Claim 5
Dependent Claim
19 words
A reinforced V-belt according to claim 1, wherein said first and said second solvent solutions comprise an aqueous latex-resin.
Claim 6
Dependent Claim
33 words
A reinforced V-belt according to claim 3, wherein said rubber compounds are taken from the group consisting essentially of neoprene, polyurethane, Buna-N, Hypalon and natural rubber, and wherein said organic solvent is toluene.
Claim 7
Dependent Claim
19 words
A reinforced V-belt according to claim 1, wherein said fibers are chopped polyester fibers approximately 1/4 inch in length.
Claim 8
Dependent Claim
26 words
A reinforced V-belt according to claim 1, wherein said fibers are staple length cotton or polyester fibers ranging in length from 1/4 inch to 6 inches.
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) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |