GB1225667A - - Google Patents
Info
- Publication number
- GB1225667A GB1225667A GB1225667DA GB1225667A GB 1225667 A GB1225667 A GB 1225667A GB 1225667D A GB1225667D A GB 1225667DA GB 1225667 A GB1225667 A GB 1225667A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheath
- teeth
- belt
- covering
- rubberized fabric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D29/00—Producing belts or bands
- B29D29/08—Toothed driving belts
- B29D29/085—Double-toothed driving belts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
1,225,667. Transmission belts. PIRELLI S.p.A. 24 April, 1968 [27 April, 1967], No. 19321/68. Heading B5A. [Also in Division F2] Transmission belts having internal teeth and which also may have external teeth are produced by wrapping a rubberized fabric around a drum having longitudinal grooves to form the teeth, conforming the wrapping to the grooves by means of removable inserts, covering it with windings of inextensible cord material, removing the inserts and then covering it with an elastomer, inserting the assembly into an elastic sheath of sufficient length to cover the assembly, creating a vacuum between the sheath and drum in an autoclave to draw the rubberized fabric into the teeth cavities and impregnate the belt with the elastomer which is then cured by steam while retaining the vacuum. On removal from the sheath, the belt may be cut into individual units as desired. The sheath may also be cavitied for formation of external teeth on the belt, and an additional rubberized fabric layer may be applied over the assembly before covering with the sheath.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1541267 | 1967-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1225667A true GB1225667A (en) | 1971-03-17 |
Family
ID=11147992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1225667D Expired GB1225667A (en) | 1967-04-27 | 1968-04-24 |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE711269A (en) |
| CH (1) | CH477285A (en) |
| DE (1) | DE1750368A1 (en) |
| ES (1) | ES353516A1 (en) |
| FR (1) | FR1556839A (en) |
| GB (1) | GB1225667A (en) |
| LU (1) | LU55597A1 (en) |
| NL (1) | NL6803157A (en) |
| SE (1) | SE337907B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510113A (en) * | 1982-03-25 | 1985-04-09 | Mitsuboshi Belting Ltd. | Belt sleeve manufacturing method and apparatus |
| CN112423972A (en) * | 2018-07-10 | 2021-02-26 | 沃尔特·弗兰德有限公司 | Method for manufacturing transmission belt |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897291A (en) * | 1973-03-01 | 1975-07-29 | Goodyear Tire & Rubber | Method and assembly for making a power transmission belt and belt made thereby |
| AR206951A1 (en) * | 1974-11-25 | 1976-08-31 | Uniroyal Inc | METHOD OF PRODUCING A TOOTHED DRIVE BELT |
| US4662863A (en) * | 1985-08-30 | 1987-05-05 | Uniroyal Power Transmission Co., Inc. | Double-acting power transmission belt |
-
1968
- 1968-02-26 BE BE711269D patent/BE711269A/xx unknown
- 1968-03-01 LU LU55597D patent/LU55597A1/xx unknown
- 1968-03-06 NL NL6803157A patent/NL6803157A/xx unknown
- 1968-03-20 FR FR1556839D patent/FR1556839A/fr not_active Expired
- 1968-04-08 CH CH519968A patent/CH477285A/en not_active IP Right Cessation
- 1968-04-24 GB GB1225667D patent/GB1225667A/en not_active Expired
- 1968-04-25 DE DE19681750368 patent/DE1750368A1/en active Pending
- 1968-04-26 SE SE573568A patent/SE337907B/xx unknown
- 1968-04-26 ES ES353516A patent/ES353516A1/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510113A (en) * | 1982-03-25 | 1985-04-09 | Mitsuboshi Belting Ltd. | Belt sleeve manufacturing method and apparatus |
| CN112423972A (en) * | 2018-07-10 | 2021-02-26 | 沃尔特·弗兰德有限公司 | Method for manufacturing transmission belt |
| US11731379B2 (en) | 2018-07-10 | 2023-08-22 | Walther Flender Gmbh | Method for manufacturing drive belts |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6803157A (en) | 1968-10-28 |
| ES353516A1 (en) | 1969-10-01 |
| SE337907B (en) | 1971-08-23 |
| CH477285A (en) | 1969-08-31 |
| DE1750368A1 (en) | 1971-02-11 |
| LU55597A1 (en) | 1968-11-25 |
| BE711269A (en) | 1968-07-01 |
| FR1556839A (en) | 1969-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |