US4606183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricated and thermoplastic impregnated wire rope
Assignee: Wire Rope Corp of America Inc
•
Filing: 1984-11-20
•
Granted: 1986-08-19
•
Expires: 2004-11-20
Abstract
Abstract A wire rope including a core surrounded with a plurality of wound strands. The rope is encapsulated with a thermoplastic after the application of a lubricant blend including amorphous polypropylene.
Inventors
- 👤 Peter P. Riggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:33
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/16; D07B1/162; D07B1/14; D07B1/141; D07B1/144; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2036; D07B2201/2037; D07B2201/2047; D07B2201/2052; D07B2201/2059; D07B2201/2061; D07B2201/2062; D07B2201/2075; D07B2201/2076
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
54 words
A wire rope comprising a core and a plurality of outer strands surrounding said core strand, a lubricant blend permeating the core strand and the outer strands and a thermoplastic encapsulating the core strand and the outer strands, wherein said lubricant blend comprises amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
Claim 2
Dependent Claim
54 words
A wire rope comprising a core and a plurality of outer strands surrounding said core strand, a lubricant blend permeating the core strand and the outer strands and a thermoplastic encapsulating the core strand and the outer strands, wherein said lubricant blend comprises amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
Claim 3
Dependent Claim
20 words
The wire rope of claim 1, wherein the thermoplastic extends radially outwardly to the outer periphery of the outer strands.
Claim 4
Dependent Claim
20 words
The wire rope of claim 1, wherein the thermoplastic extends radially outwardly beyond the outer periphery of the outer strands.
Claim 5
Dependent Claim
15 words
The wire rope of claim 1, wherein said lubricant comprise petrolatum and asphaltic based lubricants.
Claim 6
Dependent Claim
13 words
The wire rope of claim 1, wherein said lubricant includes molybdenum disulphide powder.
Claim 7
Dependent Claim
14 words
The wire rope of claim 1 wherein the thermoplastic combines with said lubricant blend.
Claim 8
Dependent Claim
40 words
A wire rope comprising a core and strands surrounding the core strand, a lubricant coating the core strand encapsulating the core strand, wherein said lubricant comprises a blend of amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
Claim 9
Dependent Claim
40 words
A wire rope comprising a core and strands surrounding the core strand, a lubricant coating the core strand encapsulating the core strand, wherein said lubricant comprises a blend of amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
Claim 10
Dependent Claim
15 words
The wire rope of claim 7 wherein said lubricant includes petrolatum and asphaltic based lubricants.
Claim 11
Dependent Claim
13 words
The wire rope of claim 7 wherein said lubricant includes molybdenum disulphide powder.
Claim 12
Independent Claim
86 words
The method of manufacturing a wire rope including the steps of winding individual wires to form a core and several outer strands, coating the core strand and the outer strands with a lubricant comprising a blend of amorphous polypropylene and a lubricant, wiping the excess of said lubricant blend from the outer surfaces of said core and the outer strands, winding said core and said outer strands to form a wire rope, and injecting a thermoplastic into said wire rope, said lubricant bonding to said thermoplastic.
Claim 13
Independent Claim
86 words
The method of manufacturing a wire rope including the steps of winding individual wires to form a core and several outer strands, coating the core strand and the outer strands with a lubricant comprising a blend of amorphous polypropylene and a lubricant, wiping the excess of said lubricant blend from the outer surfaces of said core and the outer strands, winding said core and said outer strands to form a wire rope, and injecting a thermoplastic into said wire rope, said lubricant bonding to said thermoplastic.
Claim 14
Dependent Claim
19 words
The method of claim 10 wherein said thermoplastic is extruded under pressure during the formation of the wire rope.
Claim 15
Dependent Claim
16 words
The method of claim 10 wherein said thermoplastic encapsulates the core strand and the outer strands.
Claim 16
Dependent Claim
23 words
The wire rope of claim 1 wherein said lubricant is selected from the group of conventional lubricants, synthetic lubricants and powdered solid lubricants.
References Cited (Backward Citations)
US3547819A
Cited
US3800522A
Cited
US3824777A
Cited
US3874158A
Cited
US4197695A
Cited
US4344278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-18 | 1990-02-17 | 1990-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-18 | 1994-02-17 | 1994-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-18 | 1998-02-17 | 1998-08-19 | $7700.00 | Window Closed / Lapsed |