US3960181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article for covering various pipefittings
Assignee: Individual
•
Filing: 1973-10-15
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Granted: 1976-06-01
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Expires: 1993-10-15
Abstract
Abstract A cover for covering elbows or angles in tubular conduits formed in the shape of a convoluted sheet of material such as polyethelene, and shaped to form a first stable configuration state fitting part way around the object to be covered. Opposite ends of the cover are caused to encircle the selected portion of the object in a second stable configuration state. In other embodiments, the cover has an integral part thereof, coupling ribs, adhesive, a tongue-in-sleeve or belt-in-loop arrangement or other coupling means or combinations of coupling means by which two opposite ends of the cover are coupled together around an object.
Inventors
- 👤 Charles B. Baur
- 👤 Roland P. Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:48
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/10; F16L59/11; H; H01; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/24; H02; H02G; H02G3/00; H02G3/02; H02G3/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1036; Y10T156/1038
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
172 words
An elbow cover formed from a flexible, thin-sheet structure, comprising: first and second cylindrical surface sections, each conformed transversely to approximate a peripheral arc of a first semicircle, said first and second surface sections each further including first longitudinally extending joining edges formed on either side thereof; a first toroidal arc section conformed radially to approximate said peripheral arc of said first semicircle connected between the adjacent transverse ends of said first and second cylindrical surface sections; third, fourth, fifth and sixth cylindrical surface sections conformed transversely to approximate peripheral arc of a second semicircle, each said third, fourth, fifth and sixth surface sections including second longitudinal joining edges joined to the respective longitudinal joining edges of said first and second surface sections; and second and third toroidal oppositely disposed arc sections conformed radially to approximate the peripheral arc of said second semicircle, connected between the respective adjacent transverse ends of said third and fourth, and fifth and sixth surface sections and including an elliptic deformation formed over the central section thereof.
Claim 2
Dependent Claim
172 words
An elbow cover formed from a flexible, thin-sheet structure, comprising: first and second cylindrical surface sections, each conformed transversely to approximate a peripheral arc of a first semicircle, said first and second surface sections each further including first longitudinally extending joining edges formed on either side thereof; a first toroidal arc section conformed radially to approximate said peripheral arc of said first semicircle connected between the adjacent transverse ends of said first and second cylindrical surface sections; third, fourth, fifth and sixth cylindrical surface sections conformed transversely to approximate peripheral arc of a second semicircle, each said third, fourth, fifth and sixth surface sections including second longitudinal joining edges joined to the respective longitudinal joining edges of said first and second surface sections; and second and third toroidal oppositely disposed arc sections conformed radially to approximate the peripheral arc of said second semicircle, connected between the respective adjacent transverse ends of said third and fourth, and fifth and sixth surface sections and including an elliptic deformation formed over the central section thereof.
Claim 3
Dependent Claim
20 words
An elbow cover according to claim 1 wherein: said first and second semicircle comprise substantially equal halves of one circle.
Claim 4
Dependent Claim
28 words
An elbow cover according to claim 1, further comprising: securing means connected to said second longitudinal edges of said third and fourth surface sections for effecting closure therebetween.
Claim 5
Dependent Claim
23 words
An elbow cover according to claim 1 wherein: said elliptic deformation is deformable to project to either side of said second arc section.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |