US4391206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular rotary furnace for incinerating refuse and the like, with inner demountable grid
Assignee: Individual
•
Filing: 1981-10-31
•
Granted: 1983-07-05
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Expires: 2001-10-31
Abstract
Abstract Tubular cylindrical rotary furnace for incinerating refuse and the like, equipped at the inner periphery with grid-shaped means (5) inclined towards the inside and in the direction of the cylinder (1) angular feed; each of said grid-shaped means is supported by radial support bars (7) that are radially extractable from the furnace cylindrical shell.
Inventors
- 👤 Silvano Matteini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:36
CPC Classifications
F; F23; F23H; F23H13/00; F23G; F23G5/00; F23G5/20; F27; F27B; F27B7/00; F27B7/14; F27B7/16; F27B7/161; F27B7/162; F23G2203/00; F23G2203/20; F23G2203/208
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
85 words
A rotary cylindrical furnace for incinerating refuse and the like comprising: an outer wall; grid means mounted about the inner periphery of said outer wall; with respect to the direction of rotation of said furnace, the forward edge of said grid means being spaced a greater distance apart from said outer wall than the rearward edge of said grid means so that said grid means are inclined with respect to said wall; and said grid means not extending into the central area of said furnace.
Claim 2
Dependent Claim
85 words
A rotary cylindrical furnace for incinerating refuse and the like comprising: an outer wall; grid means mounted about the inner periphery of said outer wall; with respect to the direction of rotation of said furnace, the forward edge of said grid means being spaced a greater distance apart from said outer wall than the rearward edge of said grid means so that said grid means are inclined with respect to said wall; and said grid means not extending into the central area of said furnace.
Claim 3
Dependent Claim
19 words
The rotary furnace as claimed in claim 1, wherein said grid means are mounted to radially extending support bars.
Claim 4
Dependent Claim
26 words
The rotary furnace as claimed in claim 2, wherein said support bars are constructed and arranged so as to be externally retractable into said outer wall.
Claim 5
Dependent Claim
42 words
The rotary furnace as claimed in claim 2, wherein said grid means are directly attached to said support bar at said forward edge, and wherein said support bar includes a link between said rearward edge of said grid means and said support.
Claim 6
Dependent Claim
26 words
The rotary furnace as claimed in claim 2, wherein said outer wall includes flange means, said support bar including means for releaseably engaging said flange means.
References Cited (Backward Citations)
US3431684A
Cited
US3830171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-04 | 1987-01-03 | 1987-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-04 | 1991-01-03 | 1991-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-04 | 1995-01-03 | 1995-07-05 | $7700.00 | Window Closed / Lapsed |