US4136911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding a card with fiber material
Assignee: Schubert und Salzer GmbH
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Filing: 1977-07-15
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Granted: 1979-01-30
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Expires: 1997-07-15
Abstract
Abstract An apparatus for feeding a carding machine with fiber material having a shaft which is fed by a preceding feed shaft. The fiber material is conveyed into the feed shaft by means of a stream of air flowing through a conveying conduit. An air circulating passage is connected between the feed shaft and the filling shaft. An air conveying device is disposed in the air circulating passage for conveying the stream of air emerging from the feed shaft into the filling shaft for compressing the fiber material therein.
Inventors
- 👤 Gerd Husges
- 👤 Rupert Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:49
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
An apparatus for feeding a carding machine with fiber material, having a filling shaft which is fed via a preceding feed shaft, the fiber material being conveyed into the feed shaft by means of a stream of air flowing through a conveying conduit and said stream of air used for conveying said fibers to said feed shaft enemerging from said feed shaft, said apparatus comprising: an air circulating passage connecting said feed shaft to said filling shaft, said stream of air emerging from said feed shaft being conveyed into said filling shaft through said air circulating passage for compressing the fiber material therein, and an air cleansing device disposed in said air circulating passage for cleaning said stream of air emerging from said feed shaft.
Claim 2
Independent Claim
125 words
An apparatus for feeding a carding machine with fiber material, having a filling shaft which is fed via a preceding feed shaft, the fiber material being conveyed into the feed shaft by means of a stream of air flowing through a conveying conduit and said stream of air used for conveying said fibers to said feed shaft enemerging from said feed shaft, said apparatus comprising: an air circulating passage connecting said feed shaft to said filling shaft, said stream of air emerging from said feed shaft being conveyed into said filling shaft through said air circulating passage for compressing the fiber material therein, and an air cleansing device disposed in said air circulating passage for cleaning said stream of air emerging from said feed shaft.
Claim 3
Dependent Claim
35 words
The apparatus as set forth in claim 1 further comprising: an air conveying device disposed in said air circulating passage for conveying said stream of air emerging from said feed shaft into said filling shaft.
Claim 4
Dependent Claim
24 words
The apparatus as set forth in claim 1 wherein said cleansing device comprises: an air deflection device for separating impurities from said air stream.
Claim 5
Dependent Claim
23 words
The apparatus as set forth in claim 3 further comprising: a pipeline connected to said cleansing device for removing said impuriries separated out.
Claim 6
Independent Claim
167 words
An apparatus for feeding a carding machine with fiber material comprising: a feed shaft, a pipeline connected to said feed shaft, air stream means for conveying fiber material into said feed shaft via said pipe line, a filling shaft disposed downstream of said feed shaft having an opening in a wall thereof, roller means arranged between said feed shaft and said filling shaft for feeding fiber material from said feed shaft into said filling shaft, an opening in a lower portion of said feed shaft through which said air stream being fed into said feed shaft emerges, an air circulating passage connecting said opening of said feed shaft to said opening in said filling shaft below said roller means, and said stream of air emerging from said opening in said feed shaft being conveyed into said filling shaft through said air circulating passage and said opening in said filling shaft for flowing downstream through said fiber material in said filling shaft and compressing said fiber material therein.
Claim 7
Independent Claim
167 words
An apparatus for feeding a carding machine with fiber material comprising: a feed shaft, a pipeline connected to said feed shaft, air stream means for conveying fiber material into said feed shaft via said pipe line, a filling shaft disposed downstream of said feed shaft having an opening in a wall thereof, roller means arranged between said feed shaft and said filling shaft for feeding fiber material from said feed shaft into said filling shaft, an opening in a lower portion of said feed shaft through which said air stream being fed into said feed shaft emerges, an air circulating passage connecting said opening of said feed shaft to said opening in said filling shaft below said roller means, and said stream of air emerging from said opening in said feed shaft being conveyed into said filling shaft through said air circulating passage and said opening in said filling shaft for flowing downstream through said fiber material in said filling shaft and compressing said fiber material therein.
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) | 1982-01-29 | 1982-07-31 | 1983-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-29 | 1986-07-31 | 1987-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-29 | 1990-07-31 | 1991-01-30 | $7700.00 | Window Closed / Lapsed |