CA2416841A1 - Thin-walled reinforced sleeve with integral compressible layer - Google Patents

Thin-walled reinforced sleeve with integral compressible layer Download PDF

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Publication number
CA2416841A1
CA2416841A1 CA 2416841 CA2416841A CA2416841A1 CA 2416841 A1 CA2416841 A1 CA 2416841A1 CA 2416841 CA2416841 CA 2416841 CA 2416841 A CA2416841 A CA 2416841A CA 2416841 A1 CA2416841 A1 CA 2416841A1
Authority
CA
Canada
Prior art keywords
sleeve
layer
compressible layer
compressible
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2416841
Other languages
French (fr)
Other versions
CA2416841C (en
Inventor
Mario Busshoff
Michael Kockentiedt
Brett Tracy Scherrman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XSYS North America Corp
Original Assignee
Day International Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Day International Corp filed Critical Day International Corp
Publication of CA2416841A1 publication Critical patent/CA2416841A1/en
Application granted granted Critical
Publication of CA2416841C publication Critical patent/CA2416841C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/18—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using tubular layers or sheathings
    • B29C63/20—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using tubular layers or sheathings using pressure difference, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1372—Randomly noninterengaged or randomly contacting fibers, filaments, particles, or flakes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y10T428/1393—Multilayer [continuous layer]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]

Abstract

A sleeve for a print cylinder comprising a fiber reinforced, thin-walled material and having a seamless surface ready to be covered with a surface material. The sleeve may be used in flexographic printing, either as a support for photo-polymerized printing plates or rubber layers. The sleeve has the advantages of having low manufacturing cost and providing the necessary heat resistance to withstand rubber vulcanization temperatures. The sleeve is also airtight, and remains properly positioned during printing operations.

Claims (31)

1. A thin-walled print sleeve comprising:
a hollow cylindrical base comprising a fiber-reinforced polymer resin having a wall thickness of from between about 0.1 mm to about 0.8 mm ;
a compressible layer on said cylindrical base; and a layer of material having an imageable surface on said compressible layer, said cylindrical base being expandable under fluid pressure and providing a fluid-tight seal when said sleeve is mounted.
2. A sleeve as claimed in claim 1 in which said material having an imageable surface is selected from the group consisting of a photocurable material and natural or synthetic rubber.
3. A sleeve as claimed in claim 1 where the fiber is selected from the group consisting of glass fibers, aramid fibers, carbon fibers, metal fibers, and ceramic fibers.
4. A sleeve as claimed in claim 1 where said polymer resin is selected from the group consisting of unsaturated polyester resins, phenolic resins and aromatic amine-cured epoxy resins.
5. A sleeve as claimed in claim 1, where said cylindrical base has a wall thickness of from between about 0.2 mm to about 0.7 mm.
6. A sleeve as claimed in claim 1 where said compressible layer has a thickness of from between about 0.5 mm to about 1.4 mm.
7. A sleeve as claimed in claim 1 where said layer of material having an imageable surface has a thickness of from between about 0.8 mm to about 1.4 mm.
8. A sleeve as claimed in claim 1 where said sleeve has a thickness of from between about 3.0 mm to about 3.5 mm.
9. A sleeve as claimed in claim 1 where said sleeve is expandable under a fluid pressure of from between about 70 to about 112 psi (4.9 to about 7.9 kg/cm).
10. In combination, a thin-walled print sleeve having a hollow cylindrical base comprising a fiber-reinforced polymer resin with a wall thickness of from between about 0.1 mm to about 0.8 mm, a compressible layer on said cylindrical base, and a layer of a material having an imageable surface on said compressible layer, said print sleeve mounted on a support selected from the group consisting of a print cylinder, a mandrel, and a bridge mandrel.
11. A method of fabricating a thin-walled print sleeve comprising:
providing a cylindrical support;
applying a fibrous material and a polymer resin to said support to form a thin-walled fiber-reinforced resin base sleeve;
curing said base sleeve;
working an outer surface of said base sleeve to provide a wall thickness of from between about 0.1 mm to about 0.8 mm;
applying a layer of compressible material to said outer surface of said base sleeve;
applying a layer of material having an imageable surface over said compressible material to form said print sleeve;
curing said print sleeve; and working an outer surface of said print sleeve to provide a predetermined overall wall thickness.
12. A method as claimed in claim 11 in which said fibrous material comprises a fiber strand which is wound onto said support.
13. A method as claimed in claim 11 in which said fibrous material comprises a woven fabric.
14. A method as claimed in claim 11 in which said polymer resin is coated onto said support and said fibrous material is applied to said polymer resin.
15. A method as claimed in claim 13 in which said woven fabric is impregnated with polymer resin and applied to said support.
16. A method as claimed in claim 11 in which said outer surface of said print sleeve is mechanically ground.
17. A method as claimed in claim 11 in which said base sleeve is formed by pultrusion and said support comprises a forming die.
18. A method as claimed in claim 11 in which said compressible layer comprises a sheet material, and said compressible layer is applied to said base sleeve by spirally wrapping said compressible layer around said base sleeve.
19. A method as claimed in claim 11 in which said compressible layer comprises a sheet material, and said compressible layer is applied to said base sleeve by wrapping and seaming opposite ends of said compressible layer.
20. A method as claimed in claim 18 in which said compressible layer includes a layer of adhesive on at least the surface in contact with said base sleeve.
21. A method as claimed in claim 11 in which said compressible layer comprises an uncured elastomer containing uniformly distributed microspheres, and said elastomer is spread onto the surface of said base sleeve.
22. A method as claimed in claim 20 in which said base sleeve is rotated while said elastomer is spread onto the surface of said base sleeve.
23. A method as claimed in claim 22 in which said elastomer is cured in place on said base sleeve.
24. A method as claimed in claim 11 in which said material having an imageable surface comprises a photocurable material in the form of a sheet, and said layer of photocurable material is applied to said compressible layer by spirally wrapping said sheet around said layer of compressible material.
25. A method as claimed in claim 11 in which said material having an imageable surface comprises a photocurable material in the form of a sheet, and said layer of photocurable material is applied to said compressible layer by wrapping and seaming opposite ends of said sheet.
26. A method as claimed in claim 11 in which said material having an imageable surface comprises a photocurable material, and said layer of photocurable material is applied to said compressible layer by spreading, dipping, casting, or molding said photocurable on said layer of compressible material.
27. A method as claimed in claim 26 in which said photocurable material is applied to said compressible layer while said compressible layer is rotating.
28. A method as claimed in claim 11 in which said material having an imageable surface comprises uncured natural or synthetic rubber in the form of a sheet, and said material is applied to said compressible layer by spirally wrapping said sheet around said layer of compressible material.
29. A method as claimed in claim 11 in which said material having an imageable surface comprises uncured natural or synthetic rubber in the form of a sheet, and said material is applied to said compressible layer by wrapping and seaming opposite ends of said sheet.
30. A method as claimed in claim 11 in which said material having an imageable surface comprises uncured natural or synthetic rubber in the form of an extruded tube which is mounted over said compressible layer.
31. A method as claimed in claim 11 in which said material having an imageable surface comprises uncured natural or synthetic rubber which is spread over said compressible layer.
CA 2416841 2002-02-19 2003-01-17 Thin-walled reinforced sleeve with integral compressible layer Expired - Lifetime CA2416841C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/078,829 US6703095B2 (en) 2002-02-19 2002-02-19 Thin-walled reinforced sleeve with integral compressible layer
US10/078,829 2002-02-19

Publications (2)

Publication Number Publication Date
CA2416841A1 true CA2416841A1 (en) 2003-08-19
CA2416841C CA2416841C (en) 2011-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2416841 Expired - Lifetime CA2416841C (en) 2002-02-19 2003-01-17 Thin-walled reinforced sleeve with integral compressible layer

Country Status (4)

Country Link
US (2) US6703095B2 (en)
BR (1) BR0300273B1 (en)
CA (1) CA2416841C (en)
MX (1) MXPA03000897A (en)

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US7285177B2 (en) 2007-10-23
MXPA03000897A (en) 2004-09-03
US20030157285A1 (en) 2003-08-21
US20040103976A1 (en) 2004-06-03
US6703095B2 (en) 2004-03-09
CA2416841C (en) 2011-07-19
BR0300273B1 (en) 2012-11-27
BR0300273A (en) 2004-08-03

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