Patent US3557941A successfully refreshed from Google Patents.
US3557941A
Expired / Lapsed
US
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Conveyor belt
Assignee: SOLAR THOMSON ENG CO Ltd
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Filing: 1968-11-04
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Granted: 1971-01-26
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Expires: 1988-11-04
Abstract
Abstract A self-troughing conveyor belt made of flexible material comprising a series of laterally extending reinforcing members embedded therein, each reinforcing member comprising three metal strips disposed in end to end relationship in a nylon tube whereby the ends of the metal strips are restrained from breaking through the belt due to relative movement between the strips.
Inventors
- 👤 Ian M Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:29
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/34; B65G15/08; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
44 words
A conveyor belt made of flexible material and having a plurality of laterally extending reinforcing members embedded therein, application reinforcing comprising a plurality of reinforcing elements disposed in end-to-end relationship and interconnected by flexible belt-protecting means covering at least adjacent ends of said elements.
Claim 2
Dependent Claim
44 words
A conveyor belt made of flexible material and having a plurality of laterally extending reinforcing members embedded therein, application reinforcing comprising a plurality of reinforcing elements disposed in end-to-end relationship and interconnected by flexible belt-protecting means covering at least adjacent ends of said elements.
Claim 3
Dependent Claim
20 words
A conveyor belt according to claim 1, wherein the elements of each reinforcing member are spaced apart from one another.
Claim 4
Dependent Claim
16 words
A conveyor belt according to claim 1, wherein the reinforcing elements comprise metal strips or rods.
Claim 5
Dependent Claim
17 words
A conveyor belt according to claim 1, wherein said protecting means comprises a cover containing said elements.
Claim 6
Dependent Claim
13 words
A conveyor belt according to claim 4, wherein the cover comprises a tube.
Claim 7
Dependent Claim
32 words
A conveyor belt according to claim 5, wherein the elements of each reinforcing member are spaced apart from one another and flexible distance pieces are provided in the tube between the elements.
Claim 8
Dependent Claim
16 words
A conveyor belt according to claim 1, wherein the protecting means is moulded around said elements.
Claim 9
Dependent Claim
24 words
A conveyor belt according to claim 1, wherein the elements of each reinforcing member are covered over their whole length by said protecting means.
Claim 10
Dependent Claim
19 words
A conveyor belt according to claim 1, wherein said elements comprise a central element disposed between two wing elements.
Claim 11
Dependent Claim
65 words
A belt conveyor having an endless conveyor belt according to claim 1, at least one endless drive belt in frictional driving engagement with the inner surface of the conveyor belt at least along the load-carrying flight thereof, and support means for supporting the conveyor belt in a troughed configuration, which support means travel with the conveyor belt at least along the load carrying flight thereof.
References Cited (Backward Citations)
US932015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |