US3078206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming belt teeth in reinforced positive drive belts
Assignee: Uniroyal Inc
•
Filing: 1959-02-25
•
Granted: 1963-02-19
•
Expires: 1979-02-25
Abstract
No abstract record available.
Inventors
- 👤 William A Skura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:06
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/08; B29C; B29C43/00; B29C43/02; B29C43/021; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/462; H; H01; H01J; H01J23/00; H01J23/02; H01J23/11; H01J25/00; H01J25/34; H01J25/42; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1039; Y10T156/1041
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
151 words
THE METHOD OF MAKING POSITIVE DRIVE BELTS HAVING AN ENDLESS LOAD CARRYING BAND MEMBER AND RESILIENT TEETH BONDED THERETO, COMPRISING THE STEPS OF FORMING A BELT CARCASS HAVING AN ENDLESS STRETCHABLE FABRIC LAYER, AN ENDLESS LOAD CARRYING BAND LAYER HAVING VOIDS THEREIN AND A SUBSTANTIALLY ENDLESS TOOTH FORMING RUBBER LAYER, POSITIONING THE BELT CARCASS AGAINST THE PERIPHERAL SURFACE OF A MOLD HAVING TOOTH CAVITIES THEREIN, SAID FABRIC LAYER BEING POSITIONED CLOSELY ADJACENT SAID SURFACE, AND SAID BAND BEING INTERPOSED BETWEEN SAID FABRIC LAYER AND SAID RUBBER LAYER, SOFTENING SAID RUBBER LAYER BY THE APPLICATION OF HEAT, AND APPLYING PRESSURE TO SAID RUBBER TO FORCE A PORTION OF SAID RUBBER LAYER THROUGH SAID LOAD CARRYING BAND FORCING SAID FABRIC INTO SAID CAVITIES AND AGAINST THE WALLS THEREOF AND FILLING THE SPACE BETWEEN SAID FABRIC AND SAID LOAD CARRYING BAND WITH SAID RUBBER TO FORM TEETH ON SAID BELTS WITH FABRIC BONDED THERETO.
References Cited (Backward Citations)
US1510449A
Cited
US2337985A
Cited
US2507852A
Cited
US2628505A
Cited
US2635065A
Cited
US2792872A
Cited
US2620016A
Cited
GB744907A
Cited
US2802511A
Cited
US2893466A
Cited
US2831359A
Cited
US2865214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |