US4366601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card screen
Assignee: Truetzschler GmbH and Co KG
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Filing: 1980-10-23
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Granted: 1983-01-04
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Expires: 2000-10-23
Abstract
Abstract A carding machine has a carding cylinder, a lickerin cooperating with the carding cylinder and defining a corner zone therewith and a card screen extending underneath the carding cylinder including the corner zone. The card screen has a screen face which is oriented towards the carding cylinder and which has a throughgoing slot in the vicinity of the corner zone. The slot extends over the screen width and constitutes the sole discontinuity in the screen face.
Inventors
- 👤 Wolfgang Beneke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:11
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/34
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
147 words
In a carding machine including a carding cylinder, a lickerin cooperating with the carding cylinder and defining a corner zone therewith, a first card screen extending underneath the carding cylinder and having a screen face oriented towards the carding cylinder and having a length extending substantially parallel to the circumference of the carding cylinder and a width extending perpendicularly to the length of the screen face; said first card screen having an end situated in said corner zone; and a second card screen extending from said end of said first screen underneath said lickerin; the improvement comprising means defining a throughgoing slot in said first screen in the vicinity of said corner zone; said slot being spaced from said end and extending over said width in a direction parallel thereto; and further wherein said slot constitutes the sole discontinuity in said face of said first card screen.
Claim 2
Dependent Claim
147 words
In a carding machine including a carding cylinder, a lickerin cooperating with the carding cylinder and defining a corner zone therewith, a first card screen extending underneath the carding cylinder and having a screen face oriented towards the carding cylinder and having a length extending substantially parallel to the circumference of the carding cylinder and a width extending perpendicularly to the length of the screen face; said first card screen having an end situated in said corner zone; and a second card screen extending from said end of said first screen underneath said lickerin; the improvement comprising means defining a throughgoing slot in said first screen in the vicinity of said corner zone; said slot being spaced from said end and extending over said width in a direction parallel thereto; and further wherein said slot constitutes the sole discontinuity in said face of said first card screen.
Claim 3
Dependent Claim
33 words
A carding machine as defined in claim 1, wherein said slot has a width measured parallel to the length of said screen face and further wherein said width of said slot is variable.
Claim 4
Dependent Claim
22 words
A carding machine as defined in claim 2, wherein said width of said slot is variable between approximately 8 and 15 mm.
Claim 5
Dependent Claim
29 words
A carding machine as defined in claim 7, wherein said slot is situated at a distance of approximately 100 to 200 mm from said end of said first screen.
Claim 6
Dependent Claim
42 words
A carding machine as defined in claim 1, wherein said slot has a width measured parallel to the length of said screen face and further wherein said width of said slot increases as viewed in a direction away from said carding cylinder.
References Cited (Backward Citations)
US2737689A
Cited
US3169278A
Cited
FR1467276A
Cited
US3685099A
Cited
US4008511A
Cited
US4224717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-03 | 1986-07-05 | 1987-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-03 | 1990-07-05 | 1991-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-03 | 1994-07-05 | 1995-01-04 | $7700.00 | Window Closed / Lapsed |