Patent US3591146A successfully refreshed from Google Patents.
US3591146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for attachment to mixing and kneading machines
Assignee: Buss AG
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Filing: 1968-06-19
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Granted: 1971-07-06
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Expires: 1988-06-19
Abstract
Abstract An attachment device for a mixing and kneading machine having a rotating wormshaft comprises a casing which is adapted to be attached coaxially on the casing of the mixing and kneading machine and a separate and independently driven rotatable shaft with radially arranged blades therein and a first bearing. The attachment device casing is divided into two parts, the first being provided with a heating or cooling jacket and an outlet for the emergence of the mixture and the second including the first bearing and a second bearing for the shaft and means for adjusting the blades.
Inventors
- 👤 Fritz Sutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:04
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/14; B; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/704; B01F35/00; B01F35/90; B01F35/92; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/44; B01F27/05; B01F27/07; B01F27/071
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
150 words
An attachment device for a mixing and kneading machine having a casing and a rotating wormshaft, said attachment comprising: a casing adapted to be flangedly attached coaxially on the casing of said mixing and kneading device, a separate rotatable shaft which is independently driven, driving means to drive the shaft of said attachment device, radially arranged blades in said rotatable shaft of said attachment device, said rotatable shaft being provided with a first bearing in said attachment casing, said attachment casing being divided into two parts, the first part of which is provided with a heating or cooling jacket surrounding the casing and an outlet from which the mixture emerges and the second part including said first bearing for said attachment shaft and a second bearing for said shaft which is disposed between the first and second parts and adjustment means for said blades in the shaft of said attachment.
Claim 2
Dependent Claim
150 words
An attachment device for a mixing and kneading machine having a casing and a rotating wormshaft, said attachment comprising: a casing adapted to be flangedly attached coaxially on the casing of said mixing and kneading device, a separate rotatable shaft which is independently driven, driving means to drive the shaft of said attachment device, radially arranged blades in said rotatable shaft of said attachment device, said rotatable shaft being provided with a first bearing in said attachment casing, said attachment casing being divided into two parts, the first part of which is provided with a heating or cooling jacket surrounding the casing and an outlet from which the mixture emerges and the second part including said first bearing for said attachment shaft and a second bearing for said shaft which is disposed between the first and second parts and adjustment means for said blades in the shaft of said attachment.
Claim 3
Dependent Claim
48 words
An attachment device as claimed in claim 1, wherein the first part of said casing has an outlet neck for expelling gas from the mixture and a further outlet for emptying and cleaning, said further cleaning outlet being provided with a cover which is closed during a mix.
Claim 4
Dependent Claim
36 words
An attachment device as claimed in claim 1, wherein said radial blades are secured to said shaft by threaded nut means and wherein a plurality of diaMetric bores are provided in the shaft of said blades.
Claim 5
Dependent Claim
37 words
An attachment device as claimed in claim 2, wherein the said attachment casing has an end wall, a stuffing box is centrally disposed in said end wall, and said second bearing is carried by said end wall.
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |