US4542968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for treating photo printing plates
Assignee: Individual
•
Filing: 1983-12-19
•
Granted: 1985-09-24
•
Expires: 2003-12-19
Abstract
Abstract In case of a device for treating flexible synthetic printing plates having a thickness of 2 to 7 mm with a depth of profile of 1 to 4 mm, including at least one washing-out step, a flushing step and a drying step, there are provided for the washing-out step an approximately horizontal table which is vertically adjustable, and for the aftertreatment steps containers in which the printing plates each can be perpendicularly suspended.
Inventors
- 👤 Fritz Knollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:32
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/3085
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
127 words
An apparatus for treating photo printing plates comprising a table having a horizontal first position for receiving a printing plate, said table having a transverse suspension bar, means for vertically raising said table and said printing plate to a second horizontal position; a washing brush and tray mounted adjacent said table second horizontal position; a continuously moving conveyor having suspension holders for grasping said suspension bars, said conveyor having a path of movement adjacent said printing plate and table, whereby a suspension holder grasps a suspension bar in said table first position; and a plurality of treatment containers positioned along the path of movement of said conveyor whereby said printing plates and said tables may be suspended into each of said containers during movement of said conveyor.
Claim 2
Independent Claim
127 words
An apparatus for treating photo printing plates comprising a table having a horizontal first position for receiving a printing plate, said table having a transverse suspension bar, means for vertically raising said table and said printing plate to a second horizontal position; a washing brush and tray mounted adjacent said table second horizontal position; a continuously moving conveyor having suspension holders for grasping said suspension bars, said conveyor having a path of movement adjacent said printing plate and table, whereby a suspension holder grasps a suspension bar in said table first position; and a plurality of treatment containers positioned along the path of movement of said conveyor whereby said printing plates and said tables may be suspended into each of said containers during movement of said conveyor.
Claim 3
Dependent Claim
17 words
The apparatus of claim 1, wherein said conveyor further comprises at least one endless loop chain drive.
Claim 4
Dependent Claim
20 words
The apparatus of claim 2, wherein said endless loop chain drive further comprises a toothed belt constructed from synthetic material.
Claim 5
Dependent Claim
22 words
The apparatus of claim 1, wherein said conveyor further comprises at least a pair of endless loop chain drives in parallel alignment.
Claim 6
Dependent Claim
25 words
The apparatus of claim 1, further comprising at least two treatment containers having respective different length dimensions along the path of movement of said conveyor.
Claim 7
Dependent Claim
30 words
The apparatus of claim 21, further comprising at least one treatment container having a length dimension sufficient to simultaneously contain at least five of said photo printing plates and tables.
Claim 8
Dependent Claim
37 words
The apparatus of claim 22, wherein said conveyor further comprises a conveyor portion horizontally positioned over said treatment container having a length dimension sufficient to simultaneously contain at least five of said photo printing plates and tables.
Claim 9
Dependent Claim
26 words
The apparatus of claim 17, wherein said washing brush and tray further comprise a perforated tray having brush portions protruding through the perforations in said tray.
Claim 10
Dependent Claim
16 words
The apparatus of claim 8, further comprising means for oscillating said tray in a horizontal plane.
Claim 11
Dependent Claim
30 words
The apparatus of claim 8, further comprising a cover spaced from and parallel to said perforated tray, said cover having perforations therethrough, and said brush portions protruding through said perforations.
Claim 12
Dependent Claim
22 words
The apparatus of claim 8, wherein said brush portions further comprise a plurality of brush groups arranged in nonaligned rows and columns.
Claim 13
Dependent Claim
20 words
The apparatus of claim 8, wherein said brush portions further comprise a plurality of brush strips arranged in parallel alignment.
Claim 14
Dependent Claim
13 words
The apparatus of claim 12, wherein said brush strips are of varying lengths.
Claim 15
Dependent Claim
32 words
The apparatus of claim 13, further comprising a cover spaced from and parallel to said perforated tray, said cover having perforations therethrough and all of said brush strips protruding through said perforations.
References Cited (Backward Citations)
US2555874A
Cited
US2677320A
Cited
US3382520A
Cited
US4045809A
Cited
US4208119A
Cited
US4332454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-23 | 1989-03-25 | 1989-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-23 | 1993-03-25 | 1993-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-23 | 1997-03-25 | 1997-09-24 | $7700.00 | Window Closed / Lapsed |