Patent US3666159A successfully refreshed from Google Patents.
US3666159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping means for pipes and fittings
Assignee: Individual
•
Filing: 1969-07-15
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Granted: 1972-05-30
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Expires: 1989-07-15
Abstract
Abstract A portable lightweight clamping device for securing two sections of pipe in end to end relation to facilitate welding of the sections to one another. The clamping means includes a plurality of arms which are clamped to one of the sections of pipe and which extend outwardly in spaced relation to the other piece of pipe and are provided with adjustable screws so that the second piece of pipe can be brought into proper alignment with the first section and welded while being so held.
Inventors
- 👤 Robert L Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:30
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0533; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53983
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
79 words
A clamping device for holding a pipe and a fitting in temporary alignment and comprising a plurality of clamping arms each of which has an offset apertured end portion, a flexible member loosely attached to each of said plurality of clamping arms and of a length to encircle said pipe and said clamping arms when positioned thereabout and means for tensioning said flexible member, pointed bolts in said offset ends of said clamping arms for selectively engaging said fitting.
Claim 2
Dependent Claim
79 words
A clamping device for holding a pipe and a fitting in temporary alignment and comprising a plurality of clamping arms each of which has an offset apertured end portion, a flexible member loosely attached to each of said plurality of clamping arms and of a length to encircle said pipe and said clamping arms when positioned thereabout and means for tensioning said flexible member, pointed bolts in said offset ends of said clamping arms for selectively engaging said fitting.
Claim 3
Dependent Claim
59 words
The clamping device set forth in claim 1 and wherein the flexible member comprises a chain encircling said pipe and portions of said clamping arms and a binder clamp adjustably joining the ends of said chain, movable fittings on each of said clamping arms engaging spaced links in said chain for securing said clamping device in a portable assembly.
Claim 4
Dependent Claim
41 words
The clamping device set forth in claim 1 and wherein the aperture in the offset end portions of the clamping arms are threaded and the pointed bolts are positioned through the threaded apertures in perpendicular relationship to said offset end portions.
Claim 5
Dependent Claim
24 words
The clamping device set forth in claim 1 and wherein the offset end portion extend substantially inwardly of the ends of the clamping arms.
References Cited (Backward Citations)
US1916556A
Cited
US2102259A
Cited
US2846968A
Cited
US3380148A
Cited
US3284883A
Cited
US3422519A
Cited
US3527398A
Cited
US3467295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |