Patent US3967584A successfully refreshed from Google Patents.
US3967584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-running and automatic cleaning coating machine for internal wall of pipe
Assignee: JFE Engineering Corp
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Filing: 1974-09-17
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Granted: 1976-07-06
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Expires: 1994-09-17
Abstract
Abstract A self-running and automatic cleaning-coating machine for working the internal wall of a pipe comprising a travel-driving truck, a motor-placing truck a paint-supplying truck and a working truck wherein these trucks are flexibly coupled to one another and including operation mechanisms which is self-running to a required position and automatically operated to clean and coat the internal wall.
Inventors
- 👤 Akira Hasegawa
- 👤 Hiromichi Ozoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:36
CPC Classifications
B; B05; B05C; B05C7/00; B05C7/02; B05B; B05B13/00; B05B13/06; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/049; B08B9/051; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
168 words
A line of trucks as a machine for working within a small diameter pipe, comprising, in line: a. a travel-driving truck (1) at the rear of the line, having a drive force transmission mechanism (17, 18); b. a motor carrying truck (2) connected to said travel-driving truck having a motor (7) including high and low speed clutch means (8, 9); c. a coating material supply truck (3) connected to said motor carrying truck, having coating material storage and feeding means (33, 34) and front and rear drives (21) coupled at one of said drives to said motor (7) and a reduction mechanism coupled to said coating material storage and feeding means (33, 34); and, d. a working truck (4) at the front of the line having first and second transmission means (25, 24), and cleaning and coating means (35) having a brush (26) and a rotary blade (27) operatively coupled with said second transmission means, said second transmission means (24) being coupled to said first transmission means 25.
Claim 2
Dependent Claim
168 words
A line of trucks as a machine for working within a small diameter pipe, comprising, in line: a. a travel-driving truck (1) at the rear of the line, having a drive force transmission mechanism (17, 18); b. a motor carrying truck (2) connected to said travel-driving truck having a motor (7) including high and low speed clutch means (8, 9); c. a coating material supply truck (3) connected to said motor carrying truck, having coating material storage and feeding means (33, 34) and front and rear drives (21) coupled at one of said drives to said motor (7) and a reduction mechanism coupled to said coating material storage and feeding means (33, 34); and, d. a working truck (4) at the front of the line having first and second transmission means (25, 24), and cleaning and coating means (35) having a brush (26) and a rotary blade (27) operatively coupled with said second transmission means, said second transmission means (24) being coupled to said first transmission means 25.
Claim 3
Dependent Claim
31 words
A machine as claimed in claim 1, said travel-driving truck (1) having driving wheels, said four trucks traveling as a unit, said driving wheels being operatively coupled to said motor (7).
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) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |