US3610288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined pipe connector and pipe cap
Assignee: Amsted Industries Inc
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Filing: 1969-10-17
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Granted: 1971-10-05
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Expires: 1989-10-17
Abstract
Abstract A combination device for connecting together the adjacent ends of two pipes prior to passing the pipes through a pipe cleaning and/or coating process. At the completion of the coating process, the device is cut substantially in half to form a pair of removable protective pipe caps which are mounted on the ends of the newly coated pipe.
Inventors
- 👤 Donald G Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
B; B65; B65D; B65D59/00; F; F16; F16L; F16L2201/00; F16L2201/80; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5733
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
193 words
A combined pipe connector and pipe cap for joining together the adjacent ends of two pipes prior to passing the pipes through a pipe cleaning and/or coating process and for capping the ends of the pipe after the completion of the process, comprising: a. a cylindrical-shaped sleeve for fitting snugly over the ends of adjacent pipes to thereby effectively join the pipes together; b. at least one wall formed across the interior of said sleeve and between the pipe ends at the central portion of said sleeve for positioning said sleeve on the ends of the pipe so that substantially the same length of each pipe is contained the same length of each pipe is contained within each side of said sleeve; c. said sleeve and said interior wall serving as a pair of protective pipe caps for the adjacent ends of the pipe whenever said sleeve is cut substantially in half while joining the pipes together after completion of the pipe coating process; and d. said sleeve-containing means for actuating the external cutoff system to cut said sleeve and said wall substantially in half thereby forming the pair of protective pipe caps.
Claim 2
Dependent Claim
35 words
The combined pipe connector and pipe cap as defined in claim 2 wherein said actuating means comprises an annular protuberance formed on the external central portion of said sleeve at the location of said wall.
Claim 3
Dependent Claim
35 words
The combined pipe connector and pIpe cap as defined in claim 2 wherein said actuating means comprises the interior wall serving to separate the end of the pipe and to actuate the external cutoff system.
Claim 4
Dependent Claim
208 words
A combined pipe connector and pipe cap for joining together the adjacent ends of two pipes prior to passing the pipes through a pipe cleaning and/or coating process and for capping the ends of the pipe after the completion of the process, comprising: a. a cylindrical-shaped sleeve for fitting snugly over the ends of adjacent pipes to thereby effectively join the pipes together; b. at least two walls formed across the interior of said sleeve at spaced intervals from the central portion and between the pipe ends at the central portion of said sleeve for positioning said sleeve on the ends of the pipe when said sleeve is used in a high-speed pipe-coating process so that substantially the same length of each pipe is contained within each side of said sleeve; c. said sleeve and said interior walls serving as a pair of protective pipe caps for the adjacent ends of the pipe whenever said sleeve is cut substantially in half while joining the pipes together after completion of the pipe coating process; and d. said sleeve-containing means for actuating a cutoff system for a high-speed pipe-coating line to cut said sleeve substantially in half between said pair of walls thereby forming the pair of protective pipe caps.
Claim 5
Dependent Claim
75 words
The combined pipe connector and pipe cap as defined in claim 5 wherein said actuating means comprises an annular protuberance formed on the exterior central portion of said sleeve between said pair of walls. The the combined pipe connector and pipe cap as defined in claim 5 wherein said actuating means comprises at least one of said two interior walls serving to separate the ends of the pipe and to actuate the external cutoff system.
Claim 6
Dependent Claim
41 words
The combined pipe connector and pipe cap as defined in claim 5 wherein said pair of walls are recessed away from each other to permit end hooks to be used to pick up larger size pipe without damaging the pipe cap.
Claim 7
Independent Claim
96 words
A method for coating predetermined lengths s of pipe comprising the steps of: a. joining the lengths of pipe together with a combined pipe connector and pipe cap device prior to cleaning the pipes; b. cleaning the joined lengths of pipe in a pipe cleaning machine; c. coating the cleaned joined lengths of pipe and the device in a pipe coating machine and d. cutting the device substantially in half to form the pipe caps for each end of the pipe length thereby providing a predetermined length of coated pipe having protective end caps installed thereon.
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |