Patent US3913847A successfully refreshed from Google Patents.
US3913847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulator
Assignee: Individual
•
Filing: 1974-04-05
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Granted: 1975-10-21
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Expires: 1994-04-05
Abstract
Abstract A bell-shaped granulator container supported on lifting devices with a gas entry chamber circumferential of the base and connected to the base of the container through an annular gasentry gap. The container and its base enclose a stirrer, spraying device, comminuting tool and exhaust-gas filter.
Inventors
- 👤 Werner Glatt
- 👤 Harm Siemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/16; B01J2/10
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
117 words
A granulator comprising a container having a bell-shaped, downward-open container upper part and a bottom plate beneath the opening under said container upper part, a stirrer arranged above said bottom plate, lifting means to lift said container upper part from said bottom plate, a gas outlet in the upper portion of said container, means to supply gas to said container including an annular gasentry gap of adjustable cross-section formed between a loweredge region of said container upper part and said bottom plate when said container upper part is lifted by said lifting means and which said gap is closed when said container upper part is lowered by said lifting means, and a spraying device within said container.
Claim 2
Dependent Claim
117 words
A granulator comprising a container having a bell-shaped, downward-open container upper part and a bottom plate beneath the opening under said container upper part, a stirrer arranged above said bottom plate, lifting means to lift said container upper part from said bottom plate, a gas outlet in the upper portion of said container, means to supply gas to said container including an annular gasentry gap of adjustable cross-section formed between a loweredge region of said container upper part and said bottom plate when said container upper part is lifted by said lifting means and which said gap is closed when said container upper part is lowered by said lifting means, and a spraying device within said container.
Claim 3
Dependent Claim
31 words
The granulator of claim 1, further characterized by said means to supply gas to said container further including an annular gas-inlet chamber enclosing the lower-edge region of said container upper part.
Claim 4
Dependent Claim
32 words
The granulator of claim 2, further characterized by said bottom plate having a cylindrical top piece defining said annular gas-inlet chamber on its outward side and guiding said container upper part therein.
Claim 5
Dependent Claim
31 words
The granulator of claim 2, further characterized by an elastic annular wall connected between said container upper part and said bottom plate and defining an outer wall of said gas-inlet chamber.
Claim 6
Dependent Claim
33 words
The granulator of claim 1, further characterized by said lower-edge Region of said container upper part projecting radially inward and forming a guide surface which conducts the gas flow in an inward direction.
Claim 7
Dependent Claim
26 words
The granulator of claim 1, further characterized by said spraying device arranged on the inside of said container upper part and oriented toward said bottom plate.
Claim 8
Dependent Claim
20 words
The granulator of claim 1, further characterized by a comminuting tool which is rotatable, mounted on said container upper part.
References Cited (Backward Citations)
US335574A
Cited
US2309036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |