US4325516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the grinding of surplus bread
Assignee: ISMAR MACHABAERSTRASSE GmbH
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Filing: 1979-09-14
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Granted: 1982-04-20
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Expires: 1999-09-14
Abstract
Abstract A grinding mill for grinding surplus bread includes an upright cylindrical housing containing a preliminary grinding chamber, a subsequently arranged hammermill and a strainer through which the finished ground stock leaves the grinding mill. The preliminary grinding chamber includes rotor mounted pre-cutting knives and wall mounted breaker strips. Feeding teeth mounted on the rim of the rotor communicate the pre-cut bread from the preliminary grinding chamber through an annular gap to the hammermill for final grinding by rotor mounted mill hammers and wall mounted breaker strips.
Inventors
- 👤 Theodor Ismar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:40
CPC Classifications
A; A21; A21D; A21D17/00; A21D17/002; B; B02; B02C; B02C13/00; B02C13/14; B02C18/00; B02C18/06; B02C18/08; B02C18/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
212 words
A grinding mill for grinding surplus bread comprising: an upright cylindrical housing; a single rotor disc centrally rotating within said housing and having an upper side, a lower side, and a rim; a plurality of paired pre-cutting knives arranged at right angles to a radius of said rotor disc and mounted on said upper side of said rotor disc; a plurality of mill hammers attached to the lower side of the rotor disc; a plurality of breaker strips mounted on the inner wall of the cylindrical housing adjacent the precutting knives and forming a preliminary grinding device in a preliminary grinding chamber; a plurality of breaker strips mounted on the inner wall of the cylindrical housing adjacent the mill hammers and forming a hammermill in a grinding chamber; said cylindrical housing and said rotor disc rim forming an annular gap therebetween and connecting said preliminary grinding chamber and said grinding chamber; a plurality of feeding teeth rotatably mounted within said annular gap on the rim of said rotor disc at an inclined angle to the horizontal such that a top edge portion of said plurality of feeding teeth comprises a leading edge; and a strainer operatively associated with said cylindrical housing through which finished ground stock is communicated from the grinding mill.
Claim 2
Dependent Claim
212 words
A grinding mill for grinding surplus bread comprising: an upright cylindrical housing; a single rotor disc centrally rotating within said housing and having an upper side, a lower side, and a rim; a plurality of paired pre-cutting knives arranged at right angles to a radius of said rotor disc and mounted on said upper side of said rotor disc; a plurality of mill hammers attached to the lower side of the rotor disc; a plurality of breaker strips mounted on the inner wall of the cylindrical housing adjacent the precutting knives and forming a preliminary grinding device in a preliminary grinding chamber; a plurality of breaker strips mounted on the inner wall of the cylindrical housing adjacent the mill hammers and forming a hammermill in a grinding chamber; said cylindrical housing and said rotor disc rim forming an annular gap therebetween and connecting said preliminary grinding chamber and said grinding chamber; a plurality of feeding teeth rotatably mounted within said annular gap on the rim of said rotor disc at an inclined angle to the horizontal such that a top edge portion of said plurality of feeding teeth comprises a leading edge; and a strainer operatively associated with said cylindrical housing through which finished ground stock is communicated from the grinding mill.
Claim 3
Dependent Claim
41 words
The grinding mill of claim 1, wherein the paired pre-cutting knives comprises at least a first and second pair of pre-cutting knives arranged at different radial distances from the axis of rotation of said rotor and positioned diametrically opposite one another.
Claim 4
Dependent Claim
62 words
The grinding mill of claim 2, further comprising: a rotor flange extending from the lower side of said rotor; a plurality of securing members upon which said millhammers are mounted, said securing members interconnecting said rotor flange and said lower side of said rotor; and a safety disc superimposed upon the upper side of said rotor disc for securing said securing members.
Claim 5
Dependent Claim
13 words
The grinding mill of claim 3, wherein said securing members comprises bolt members.
Claim 6
Dependent Claim
34 words
The grinding mill of claim 1 further comprising a chute member mounted on a lower portion of said cylindrical housing, wherein said strainer comprises a portion of said cylindrical housing adjacent said chute member.
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) | 1985-04-19 | 1985-10-19 | 1986-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-19 | 1989-10-19 | 1990-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-19 | 1993-10-19 | 1994-04-20 | $7700.00 | Window Closed / Lapsed |