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US4587901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate holding roller particularly for flexographic printing applications
Assignee: Officine Meccaniche G Cerutti SpA
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Filing: 1984-07-18
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Granted: 1986-05-13
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Expires: 2004-07-18
Abstract
Abstract A plate holding roller particularly for flexographic printing, wherein the roller is formed with a groove provided with a securing means extending over one half the roller length, the remaining roller half has a circular cross-section longitudinal pocket therein, said pocket receives a supporting body pivotally therein which is also formed with a longitudinal groove having a means of securing the plate ends, and said supporting body can be released from and locked into its relative position to the plate holding roller.
Inventors
- 👤 Gibellino Gianfranco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:53
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/12; B41F27/1218; B41F27/125
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
181 words
A plate holding roller for flexographic printing applications comprising a roller having a longitudinal groove extending over one half the roller length, said groove provided with means for securing the ends of a plate thereto, said plate not being adjustable relative to said roller while secured on said roller; a circular cross-section longitudinal pocket formed in alignment with said groove in the remaining half of the roller length, said pocket being substantially tangential to the surface of said roller; a supporting body rotatably mounted within said pocket, said supporting body including a longitudinal groove extending the entire length of said supporting body and means for securing the ends of a plate to said supporting body; and means for selectively releasing said supporting body for rotation in said pocket relative to said roller without releasing the means securing the ends of the plate attached thereto, and locking said supporting body relative to said roller, whereby the position of a plate mounted to the roller by said supporting body can be adjusted relative to a plate mounted to the remainder of the roller.
Claim 2
Dependent Claim
181 words
A plate holding roller for flexographic printing applications comprising a roller having a longitudinal groove extending over one half the roller length, said groove provided with means for securing the ends of a plate thereto, said plate not being adjustable relative to said roller while secured on said roller; a circular cross-section longitudinal pocket formed in alignment with said groove in the remaining half of the roller length, said pocket being substantially tangential to the surface of said roller; a supporting body rotatably mounted within said pocket, said supporting body including a longitudinal groove extending the entire length of said supporting body and means for securing the ends of a plate to said supporting body; and means for selectively releasing said supporting body for rotation in said pocket relative to said roller without releasing the means securing the ends of the plate attached thereto, and locking said supporting body relative to said roller, whereby the position of a plate mounted to the roller by said supporting body can be adjusted relative to a plate mounted to the remainder of the roller.
Claim 3
Dependent Claim
47 words
A plate holding roller according to claim 1 including a half flange formation rigid with one end of said supporting body, said half flange formation having an aperture formed therein to provide a window and a locking screw threaded into said roller and extending through said window.
Claim 4
Dependent Claim
33 words
A plate holding roller according to claims 1 or 2 wherein said half flange formation is provided with an indexed scale and a pointer attached to said roller cooperating with said indexed scale.
Claim 5
Dependent Claim
29 words
A plate holding roller according to claims 1 or 2 wherein said half flange formation is provided with an indexed scale cooperating with a vernier attached to said roller.
Claim 6
Dependent Claim
61 words
A plate holding roller according to claim 1 including a gear wheel rigid with the center portion of said rotatable supporting body at the end of said rotatable supporting body, a threaded shaft in driving engagement with said gear wheel and means fixed to the end of said roller supporting said threaded shaft in a rotatable but not axially movable fashion.
Claim 7
Dependent Claim
28 words
A plate holding roller according to claim 5 wherein the ends of said threaded shaft are formed with contoured pockets for the insertion of a contoured tool therein.
Claim 8
Dependent Claim
16 words
A plate holding roller according to claim 5 wherein the shaft thread is a micrometric thread.
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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) | 1989-05-12 | 1989-11-11 | 1990-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-12 | 1993-11-11 | 1994-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-12 | 1997-11-11 | 1998-05-13 | $7700.00 | Window Closed / Lapsed |