US3592515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe collar with polygonal-type insert
Assignee: Jackson Memorial Hospital
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Filing: 1969-09-23
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Granted: 1971-07-13
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Expires: 1989-09-23
Abstract
Abstract A generally cylindrical collar or protector adapted to be clamped onto a drill pipe, and having adhesively bonded and embedded in the elastomeric body of the protector a generally cylindrical spring insert band with substantially polygonal wall portions which are pliant, so that when the protector is constricted and secured onto the pipe, flexing of the pliable wall portions and displacement of the elastomeric material between the band and the pipe allow the collar to adapt or conform to the pipe of varying diameters.
Inventors
- 👤 John C Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:14
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/1042; E21B17/105
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
117 words
A pipe collar adapted to encompass a pipe for securement thereon, including: a. a substantially cylindrical body comprising elastomeric material and having a lateral opening therein; b. a spring band substantially coextensive with said body and embedded therein, with a continuous layer of said elastomeric material disposed between said band and the inner peripheral portion of said body; c. said band having latch means for locking said collar under tension about a pipe; and d. said band having longitudinal flat sides defining substantially a polygonic cylindric portion, the portions of said band intermediate said sides being deformable by raDial inward movement so as to extend said band when said collar is stretched for securement about a pipe.
Claim 2
Dependent Claim
117 words
A pipe collar adapted to encompass a pipe for securement thereon, including: a. a substantially cylindrical body comprising elastomeric material and having a lateral opening therein; b. a spring band substantially coextensive with said body and embedded therein, with a continuous layer of said elastomeric material disposed between said band and the inner peripheral portion of said body; c. said band having latch means for locking said collar under tension about a pipe; and d. said band having longitudinal flat sides defining substantially a polygonic cylindric portion, the portions of said band intermediate said sides being deformable by raDial inward movement so as to extend said band when said collar is stretched for securement about a pipe.
Claim 3
Dependent Claim
20 words
A pipe collar as defined in claim 1 wherein said portions of said band intermediate said sides are radially curved.
Claim 4
Dependent Claim
29 words
A pipe collar as defined in claim 2 wherein said portions of said band intermediate said sides have a radial curvature of from one thirty-second to 1 1/2 inches.
Claim 5
Dependent Claim
28 words
A pipe collar as defined in claim 1 including: prongs projecting radially inward from said flat sides and adapted to space said sides radially outward from the pipe.
Claim 6
Dependent Claim
25 words
A pipe collar as defined in claim 1 wherein: said polygonic cylindric portion of said spring band comprises substantially the circumferential extent of said band.
Claim 7
Dependent Claim
28 words
A pipe collar as defined in claim 1 wherein: said polygonic cylindric portion of said spring band comprises more than half of the circumferential extent of said band.
Claim 8
Dependent Claim
29 words
A pipe collar as defined in claim 1 wherein: said polygonic cylindric portion of said spring band comprises less than half of the circumferential extent of said spring band.
Claim 9
Dependent Claim
27 words
A pipe collar as defined in claim 1 including: a plurality of said polygonic cylindric portions of said spring band, and longitudinally coextensive circular cylindric portions therebetween.
Claim 10
Dependent Claim
38 words
A pipe collar as defined in claim 1 wherein: said spring band has holes therethrough for displacement of a portion of said layer of elastomeric material as said portions of said band intermediate the sides move radially inwardly.
Claim 11
Dependent Claim
23 words
A pipe collar as defined in claim 1 wherein said layer of elastomeric material has relief grooves formed in said inner peripheral portion.
Claim 12
Dependent Claim
26 words
A pipe collar as defined in claim 1 wherein said elastomeric material of the body includes end portions covering the opposite longitudinal ends of said band.
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |