US3846816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing plate processor and means for opening and closing the same
Assignee: CNA Holdings LLC
•
Filing: 1973-04-10
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Granted: 1974-11-05
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Expires: 1993-04-10
Abstract
Abstract A printing plate processor through which an exposed printing plate travels in a straight line path, which is divided into a fixed lower section and a pivotal upper section, pivotally mounted on the lower section adjacent one end thereof, along a plane coincident with the path of travel of the plate therethrough and having an extension jack, having one end attached to the lower section and the other end attached to the upper section to pivot the upper section about its pivot point, and thereby lower and raise the upper section, feed rollers, a multiple treatment processing unit, having at least a part thereof mounted in the lower section and including a plurality of squeegee-transport rollers, a developing section, having at least one developer dispenser, at least one reciprocatable cleaning brush supplied with additional developer and at least one scrubbing pad supplied with additional developer, a washing section, a lacquering or gumming section and a drying section, and exit rollers. A fixing section, similar to the developing section, can be included in the processing unit ahead of the washing section.
Inventors
- 👤 E Gaisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/3042
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
213 words
A printing plate processor for a plate coated and imaged on both sides or a pair of plates, in back-to-back relation, coated and imaged on one side only and wherein said plate travels through said processor along a straight line path, comprising a fixed lower section and a pivotal upper section, pivotally mounted on said lower section adjacent one end thereof; said upper section and said lower section being separated along a plane coincident with the path of travel of said plate through said processor; a pair of feed roller means, a pair of discharge roller means and a pair of processing means adapted to contact both sides of said plate and subject said both sides of said plate to identical mechanical action; one each of said pairs of feed means, discharge means and processing means being mounted in said lower section and the other of said pairs being mounted in said upper section; and extension jack means, having one end thereof attached to said lower section and the other end thereof attached to said upper section, to lower and raise said upper section, maintain proper alignment between said sections during opening and closing and apply a predetermined pressure to said plate when said processor is closed and said plate is being processed.
Claim 2
Dependent Claim
213 words
A printing plate processor for a plate coated and imaged on both sides or a pair of plates, in back-to-back relation, coated and imaged on one side only and wherein said plate travels through said processor along a straight line path, comprising a fixed lower section and a pivotal upper section, pivotally mounted on said lower section adjacent one end thereof; said upper section and said lower section being separated along a plane coincident with the path of travel of said plate through said processor; a pair of feed roller means, a pair of discharge roller means and a pair of processing means adapted to contact both sides of said plate and subject said both sides of said plate to identical mechanical action; one each of said pairs of feed means, discharge means and processing means being mounted in said lower section and the other of said pairs being mounted in said upper section; and extension jack means, having one end thereof attached to said lower section and the other end thereof attached to said upper section, to lower and raise said upper section, maintain proper alignment between said sections during opening and closing and apply a predetermined pressure to said plate when said processor is closed and said plate is being processed.
Claim 3
Dependent Claim
16 words
A processor in accordance with claim 1 wherein the jack means is a screw-type jack means.
Claim 4
Dependent Claim
14 words
A processor in accordance with claim 2 wherein the jack means is electrically operated.
Claim 5
Dependent Claim
17 words
A processor in accordance with claim 1 wherein each of the processing means includes a developing section.
Claim 6
Dependent Claim
23 words
A processor in accordance with claim 4 wherein the developing section includes at least one developer dispenser and reciprocatable cleaning and scrubbing means.
Claim 7
Dependent Claim
30 words
A processor in accordance with claim 5 wherein the reciprocatable cleaning and scrubbing means includes at least one reciprocatable cleaning brush means and at least one reciprocatable scrubbing pad means.
Claim 8
Dependent Claim
29 words
A processor in accordance with claim 6 wherein the cleaning brush means includes means for supplying additional developer and the scrubbing pad means includes means for supplying additional developer.
Claim 9
Dependent Claim
30 words
A processor in accordance with claim 4 wherein each of the processing means includes a washing section, a lacquering section and a drying section sequentially mounted following the developing section.
Claim 10
Dependent Claim
38 words
A processor in accordacne with claim 1 wherein a normally-closed, pressure-type circuit breaker is operatively connected to the upper section and the lower section to break the power circuit to the processor when the upper section is opened.
Claim 11
Dependent Claim
38 words
A processor in accordance with claim 1 wherein a limit switch means is operatively mounted apertinent the jack means to turn off the power to said jack means when the upper section is opened to a predetermined position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |