US4432874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collecting rope
Assignee: Lundin Lars Patent Oy AB
•
Filing: 1982-06-22
•
Granted: 1984-02-21
•
Expires: 2002-06-22
Abstract
Abstract A collecting rope which is intended especially for collecting oil from the surface of water, the rope comprising a drive chain which is situated inside a cylindrical part, which is surrounded by a lightweight float layer, which is surrounded by another cylindrical part, oil-collecting bristles being attached to the outer surface of the outer cylinder. The cylindrical parts can rotate in relation to the drive chain, since the joint between them consists of resilient protrusions on the inner surface of the inner cylinder. The cylinders and the chain are, however, locked to each other in the longitudinal direction.
Inventors
- 👤 Lars Lundin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:41
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/06; E02B15/10; E02B15/101; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924; Y10T; Y10T403/00; Y10T403/45; Y10T403/454
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
86 words
A collecting rope for collecting oil or similar material from the surface of water, the rope comprising: a supporting drive chain, and a plurality of relatively short, separate flotation units, each flotation unit includes a cylindrical shell to which bristles are attached for collecting oil or similar material from the water's surface and a float layer disposed within said cylindrical shell for floating said shell on the water's surface, wherein said supporting and drive chain connects said flotation units together for rotation thereof by said chain.
Claim 2
Dependent Claim
86 words
A collecting rope for collecting oil or similar material from the surface of water, the rope comprising: a supporting drive chain, and a plurality of relatively short, separate flotation units, each flotation unit includes a cylindrical shell to which bristles are attached for collecting oil or similar material from the water's surface and a float layer disposed within said cylindrical shell for floating said shell on the water's surface, wherein said supporting and drive chain connects said flotation units together for rotation thereof by said chain.
Claim 3
Dependent Claim
25 words
A rope according to claim 1, in which the chain is of the closed-link type and is covered with a coating which encloses the links.
Claim 4
Dependent Claim
19 words
A chain according to claim 2, wherein the coating of the chain comprises of a plastic or rubber material.
Claim 5
Dependent Claim
29 words
A rope according to claim 1, wherein the chain is divided into separate sections after about every ten links thereof in order to facilitate the replacement of damaged links.
Claim 6
Dependent Claim
20 words
A rope according to claim 4, in which the division of the chain into sections is by a shackle means.
Claim 7
Dependent Claim
26 words
A rope according to claim 1, wherein the float layer is situated between said cylindrical shell and a central cylindrical member substantially co-axial with said shell.
Claim 8
Dependent Claim
20 words
A rope according to claim 6, wherein the cylindrical shell and member are interconnected by a generally radial disc-like part.
Claim 9
Dependent Claim
18 words
A rope according to claim 6, wherein the cylindrical shell and member are interconnected by the float layer.
Claim 10
Dependent Claim
42 words
A rope according to any one of claims 1-8, wherein at least in some of the gaps between the flotation units in the longitudinal direction have disposed therein additional bristles which are longer than the bristles attached to the outer cylindrical shell.
Claim 11
Dependent Claim
22 words
A rope according to claim 9 in which the cylindrical shell and member and the bristles are made from polyethylene or polypropylene.
Claim 12
Dependent Claim
34 words
A rope according to claim 9, in which a stopper is placed in at least some of said gaps for preventing longitudinal movement of the adjacent flotation unit relative to said supporting drive member.
Claim 13
Dependent Claim
49 words
A rope according to any one of claims 6-8, in which the inner cylindrical member has a longitudinal passageway therethrough for passage of the supporting drive member, said passageway being provided with resilient protrusions to create a resiliently rotatable joint between the supporting drive member and the cylindrical member.
Claim 14
Dependent Claim
109 words
A collecting rope for collecting oil or similar material from the surface of water, the rope comprising: a plurality of flotation units, each of which includes a cylindrical shell to which bristles are attached for collecting oil or similar material from the water's surface and a float layer secured to said cylindrical shell for floating said shell on the water's surface; a supporting drive member connecting said flotation units for rotation thereof by rotation of said supporting and drive member; and means providing a resiliently rotatable joint between said flotation units and said supporting drive member for permitting rotation of said supporting drive member relative to said flotation units.
Claim 15
Dependent Claim
109 words
A collecting rope for collecting oil or similar material from the surface of water, the rope comprising: a plurality of flotation units, each of which includes a cylindrical shell to which bristles are attached for collecting oil or similar material from the water's surface and a float layer secured to said cylindrical shell for floating said shell on the water's surface; a supporting drive member connecting said flotation units for rotation thereof by rotation of said supporting and drive member; and means providing a resiliently rotatable joint between said flotation units and said supporting drive member for permitting rotation of said supporting drive member relative to said flotation units.
References Cited (Backward Citations)
US158325A
Cited
US1595922A
Cited
FR767980A
Cited
US2200552A
Cited
US2228529A
Cited
US2659619A
Cited
GB811668A
Cited
US3565257A
Cited
US3618768A
Cited
US3739913A
Cited
DE2339541A1
Cited
US3881211A
Cited
US4332854A
Cited
DE2822174A1
Cited
US4316804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-02-20 | 1987-08-22 | 1988-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-20 | 1991-08-22 | 1992-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-20 | 1995-08-22 | 1996-02-21 | $7700.00 | Window Closed / Lapsed |