US3942681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flange protector
Assignee: Individual
•
Filing: 1974-12-31
•
Granted: 1976-03-09
•
Expires: 1994-12-31
Abstract
Abstract There is disclosed a device comprising a disc for disposal over the outer side of a flange, an annular ridge on the disc for substantially filling a ring groove in the outer side of the flange, a plurality of plugs on the disc for fitting closely within certain holes of a circle of bolt holes through the flange, and fasteners for holding the plugs in the bolt holes.
Inventors
- 👤 Ernest T. Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
F; F16; F16L; F16L57/00; F16L57/005
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
126 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plurality of generally equally spaced-apart plugs on said one side of the disc for fitting closely within certain of the bolt holes in the flange, and a plurality of fasteners each being extendible through a plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 2
Dependent Claim
126 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plurality of generally equally spaced-apart plugs on said one side of the disc for fitting closely within certain of the bolt holes in the flange, and a plurality of fasteners each being extendible through a plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 3
Dependent Claim
53 words
A device of the character defined in claim 1, wherein openings are formed through the disc and plugs, and each fastener has one end which is enlarged for engaging the outer side of the flange, and another end which is bendable into its position for bearing against the inner side of the flange.
Claim 4
Dependent Claim
23 words
A device of the character defined in claim 2, wherein each said opening is generally tangent to the outer side of the plug.
Claim 5
Dependent Claim
124 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plurality of spaced-apart plugs on said one side of the disc for fitting closely within certain of the bolt holes in the flange, and a plurality of fasteners each being extendible through a plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 6
Dependent Claim
124 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plurality of spaced-apart plugs on said one side of the disc for fitting closely within certain of the bolt holes in the flange, and a plurality of fasteners each being extendible through a plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 7
Dependent Claim
53 words
A device of the character defined in claim 4, wherein openings are formed through the disc and plugs, and each fastener has one end which is enlarged for engaging the outer side of the flange, and another end which is bendable into its position for bearing against the inner side of the flange.
Claim 8
Dependent Claim
23 words
A device of the character defined in claim 5, wherein each said opening is generally tangent to the outer side of the plug.
Claim 9
Dependent Claim
115 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plug on said one side of the disc for fitting closely within a bolt hole in the flange, and a fastener extendible through the plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 10
Dependent Claim
115 words
For use in protecting a flange having an annular groove in the outer side thereof, and a circle of bolt holes therethrough concentrically outwardly of the groove, a device comprising a disc having one side adapted to be disposed against said outer side of the flange, an annular ridge on the one side of the disc for substantially filling the groove in the flange, a plug on said one side of the disc for fitting closely within a bolt hole in the flange, and a fastener extendible through the plug to dispose an end thereof in position to bear against the inner side of the flange for holding the plug in its respective bolt hole.
Claim 11
Dependent Claim
54 words
A device of the character defined in claim 7, wherein an opening is formed through the disc and plug, and the fastener has one end which is enlarged for engaging the outer side of the flange, and another end which is bendable into its position for bearing against the inner side of the flange.
Claim 12
Dependent Claim
22 words
A device of the character defined in claim 8, wherein said opening is generally tangent to the outer side of the plug.
References Cited (Backward Citations)
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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) | 1979-03-09 | 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 |