US4872330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for straightening and cutting to length rolled sections or bars
Assignee: Danieli and C Officine Meccaniche SpA
•
Filing: 1988-02-17
•
Granted: 1989-10-10
•
Expires: 2008-02-17
Abstract
Abstract Plant for cutting to size rolled sections such as angle irons, channel sections, T-bars, window profiles, trackways for lifts or elevators and the like, and also rolled bars such as round and flat bars and the like, comprising a cooling plate (19), a feed line (10) on which the rolled sections or bars are loaded, a straightening machine (11) for straightening said rolled sections or bars and a shears (13) for cutting to size said rolled bars while they are moving, it further comprising a disk saw (16) for cutting to size said rolling sections.
Inventors
- 👤 Geremia Nonini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:28
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/006; B21B; B21B15/00; B21B15/0007; B21B1/00; B21B1/08; B21B1/12; B21B1/16; B21B1/18; B21B2015/0014; B21B2015/0071; B21B39/00; B21B39/34; B21B43/00; B21B43/006
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A plant for cutting to size rolled sections including angle irons, channel sections, T-bars, window profiles and trackways for lifts or elevators, and rolled bars including round bars and flat bars, comprising: a cooling plate; a feed line for receiving the rolled sections or bars from the cooling plate; a disk saw for cutting to size the rolled sections on the feed line; located upstream of the disk saw along said feed line for drawing and measuring the rolled sections in cooperation with the disk saw; means located downstream of the disk saw along the feed line, for butting and measuring different lengths of the rolled sections in cooperation with the disk saw; a straightening machine located downstream of the butting and measuring means, for straightening the rolled sections or bars on the feed line; and, a shears located downstream of the straightening machine, for cutting the rolled bars to size on the feed line while they are moving.
Claim 2
Dependent Claim
159 words
A plant for cutting to size rolled sections including angle irons, channel sections, T-bars, window profiles and trackways for lifts or elevators, and rolled bars including round bars and flat bars, comprising: a cooling plate; a feed line for receiving the rolled sections or bars from the cooling plate; a disk saw for cutting to size the rolled sections on the feed line; located upstream of the disk saw along said feed line for drawing and measuring the rolled sections in cooperation with the disk saw; means located downstream of the disk saw along the feed line, for butting and measuring different lengths of the rolled sections in cooperation with the disk saw; a straightening machine located downstream of the butting and measuring means, for straightening the rolled sections or bars on the feed line; and, a shears located downstream of the straightening machine, for cutting the rolled bars to size on the feed line while they are moving.
Claim 3
Dependent Claim
34 words
The plant as claimed in claim 1, further comprising clamping means located adjacent to the disk saw along said feed line for clamping the rolled sections while they are cut by the disk saw.
Claim 4
Dependent Claim
42 words
The plant as claimed in claim 1, wherein said means for butting and measuring comprises a movable carriage for abutting the rolled sections on said feed line so as to stop the rolled sections while they are cut by said disk saw.
References Cited (Backward Citations)
US1424465A
Cited
US3135143A
Cited
DE1217747B
Cited
US4397169A
Cited
EP0067391A2
Cited
EP0201120A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-09 | 1993-04-10 | 1993-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-09 | 1997-04-10 | 1997-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-09 | 2001-04-10 | 2001-10-10 | $7700.00 | Window Closed / Lapsed |