US3942637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package for endless belts
Assignee: 3M Co
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Filing: 1975-04-28
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Granted: 1976-03-09
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Expires: 1995-04-28
Abstract
Abstract A package for endless belts to avoid kinking and cracking of the belts including a first core having an axial slot to receive axially within said core one end of a nest of belts. The belts are wound around said first core and a second core is disposed in the opposite end of the belts. A third core inserted in the nest of belts and disposed in the loop within the first core will further restrict kinking of the belts.
Inventors
- 👤 Brian L. Glennie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/67
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
107 words
A package for endless belt, said package comprising a first hollow core having a slot extending axially in the wall thereof, a plurality of endless belts of the same length nested within each other and having one looped end of the nest of belts disposed within said first core with the remainder of the nest extending from said core through said slot and being wrapped around the outer peripheral surface of said first core, a second core disposed within the other end of said belts and contacting said other end, and means holding said other end to said wrapped portion of said belts on said first core.
Claim 2
Dependent Claim
107 words
A package for endless belt, said package comprising a first hollow core having a slot extending axially in the wall thereof, a plurality of endless belts of the same length nested within each other and having one looped end of the nest of belts disposed within said first core with the remainder of the nest extending from said core through said slot and being wrapped around the outer peripheral surface of said first core, a second core disposed within the other end of said belts and contacting said other end, and means holding said other end to said wrapped portion of said belts on said first core.
Claim 3
Dependent Claim
26 words
A package according to claim 1 wherein a third core is disposed within said one looped end of the belts and disposed within said first core.
Claim 4
Dependent Claim
31 words
A package according to claim 1 wherein said belts are abrasives belts and wherein said holding means includes an outer wrapping around the exterior of said nest of belts and cores.
Claim 5
Dependent Claim
19 words
A package according to claim 1 wherein said first core has an inside diameter of 4 to 7 inches.
Claim 6
Dependent Claim
54 words
A package according to claim 1 wherein said first core has an inside diameter of 4 to 7 inches and said slot is defined by walls in the core which are angularly disposed relative to the radius of said core and diverge from each other between the inner surface and said outer peripheral surface.
Claim 7
Dependent Claim
23 words
A package according to claim 1 wherein said cores have a length exceeding the width of the nest by at least 1 inch.
Claim 8
Dependent Claim
75 words
A package according to claim 1 wherein said first core has an inside diameter of 4 to 7 inches, said slot is defined by walls in the core which are angularly disposed realtive to the radius of said core and diverge from each other between the inner surface and said outer peripheral surface to define a slot about 1 inch wide, and said second core has an outside diameter of between 2 and 4 inches.
Claim 9
Dependent Claim
25 words
A package according to claim 7 wherein a third core is disposed with said one looped end of the nest disposed in said first core.
Claim 10
Dependent Claim
21 words
A package according to claim 8 wherein said third core has an outside diameter of between 1 1/2 and 3 inches.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |