US1148381A - Non-offset surface-covering for impression-cylinders. - Google Patents

Non-offset surface-covering for impression-cylinders. Download PDF

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Publication number
US1148381A
US1148381A US2337315A US1148381A US 1148381 A US1148381 A US 1148381A US 2337315 A US2337315 A US 2337315A US 1148381 A US1148381 A US 1148381A
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United States
Prior art keywords
impression
covering
cylinders
rubber
glycerin
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.)
Expired - Lifetime
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John F Haskins
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Individual
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Individual
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Priority to US2337315 priority Critical patent/US1148381A/en
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Publication of US1148381A publication Critical patent/US1148381A/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D06M15/07—Cellulose esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/908—Impression retention layer, e.g. print matrix, sound record
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/909—Resilient layer, e.g. printer's blanket
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31768—Natural source-type polyamide [e.g., casein, gelatin, etc.]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2041—Two or more non-extruded coatings or impregnations
    • Y10T442/2098—At least two coatings or impregnations of different chemical composition
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/273—Coating or impregnation provides wear or abrasion resistance

Definitions

  • this surface coating 1:2 has proved in practice to be absolutely non-otlset or inkand oil resisting. whereby there is no deposit made upon it from the printed sheet While receiving the second impression. Thereby l am able to produce a perfectly clear and satisfactory printing etlect. Without the use ol. a tympan sheet ot' muslin or other fabric which is so cmnmonly used. ln fact. my printing result is clearer and better than when the tympan sheet is used.
  • 'Vlie surface coating l2 above referred to ot' a pronounced wear-sustaining nature., it having ⁇ proved capableo" sustaining from three to live million impressions Without change and without requiring to be renewed.
  • rl ⁇ he actual vvear found not to exceed more than tvvo one-thousandths ot an inch as indicated by micrometer caliper to each million impressions. thereby making it possible to maintain nearly perfect unit peripheral relation ot' plate and impression cylinders and to hold to nearly true pitch line the relation of the gears.
  • non-otlset surface covering for printing press blankets comprising a composition ot matter including a chemically neutralized composition of gelatin. kept in sott condition by they addition ot glycerin. and rubber, with overlying japan made trom an alcohol sol-K -f vent, copal gum and another vegetable gum and a small percentage ot' glycerin.
  • the herein described coating for a printing press blanket comprising a mixture of chemically neutralized gelatin, glycerin and rubber. and an overlying surtace coating comprising vegetable gums in solution and including a small portion of glycerin.
  • the herein described coating material for printing ,press blankets the same cornprising a main body coating including a mixture of glycerin and rubber, and a surface coating therefor of ink-resisting Wear sustaining properties incli'iding an alcohol solvent, copal gum.

Description

J. F. HASKINS.
NoN-pFFSET SURFACE covERpNG FOR IMPRESSION cYLlNDERS. APPLICATION FILED APR.23, 19,5. 1,148,381.
Paten-ted July 27, 1915.
IN1/furbi? J F Haskins.
I By
mtv/mfr seed oil. and lampblack. in the proportions b v weight ot' substantially ten parts india rubber. ten partel turpentine. twenty parts bemin. forty-tive pa rts linseeil oil. five parts .lamp-black. This rubber varnish is preterably made by dissolving and mixing b v agitation and `friction the india rubber. turpentine and benzin. and to such completed mixture are added the linseed oil and lampblack. stirring very thoroughly. A. second or japan coating is then applied. said coating being composed of copal gum. alcohol. glycerin. and rubber varnish made as described above. The relative proportions of these parts tor making the japan coating are substantially by Weight as tollovvs: ropal gum. twenty parts: alcohol. one hundred parts; glycerin. one part. and rubber varnislnone part.
Among the primary virtues of this surface coating 1:2 is that it has proved in practice to be absolutely non-otlset or inkand oil resisting. whereby there is no deposit made upon it from the printed sheet While receiving the second impression. Thereby l am able to produce a perfectly clear and satisfactory printing etlect. Without the use ol. a tympan sheet ot' muslin or other fabric which is so cmnmonly used. ln fact. my printing result is clearer and better than when the tympan sheet is used.
'Vlie surface coating l2 above referred to ot' a pronounced wear-sustaining nature., it having` proved capableo" sustaining from three to live million impressions Without change and without requiring to be renewed. rl`he actual vvear found not to exceed more than tvvo one-thousandths ot an inch as indicated by micrometer caliper to each million impressions. thereby making it possible to maintain nearly perfect unit peripheral relation ot' plate and impression cylinders and to hold to nearly true pitch line the relation of the gears.
As is yvell recognized in the operation ot large cylinder presse, much ditliculty Vis encountered as a result ot' static electricity in cold snappy Weather. thus the tension which must be maintained under ordinary circunu aces upon the paper to hold a smooth pulling web and a proper head margin'cut-otl'i.-i unnecessarily great, resulting frequently in. the parting of the paper it the pull thereon sutlcient to prevent the wrinkling of the paper andl bail margin cutoli"A due to the electrical intluences ci'unmon to the vusual blanket constructions. ru at yirdance with this invention however. due
nasser tricity. and hence the machine and paperv may be operated uniformly smoothly at all times.
l am avv-are that numerous propositions have been made as improvements in printing press blankets. some ot' which claim to be ot' an oiland ink-proof nature. but, in my vast experience as a printing press experta l believe I am the first to devise a printing press blanket or a surface coating for a printing press blanket orpacking which has the property. not only of being a non-absorbent ot ink and oil. but one which actually resists the reception ot' the surplus ink, oil or smut from the printed sheet passing over the impression cylinder' coated with my improvement.
l claim:
l. The herein described non-otlset surface covering for printing press blankets, the same comprising a composition ot matter including a chemically neutralized composition of gelatin. kept in sott condition by they addition ot glycerin. and rubber, with overlying japan made trom an alcohol sol-K -f vent, copal gum and another vegetable gum and a small percentage ot' glycerin.
The herein described coating for a printing press blanket. the same comprising a mixture of chemically neutralized gelatin, glycerin and rubber. and an overlying surtace coating comprising vegetable gums in solution and including a small portion of glycerin.
3. The herein described coating material for printing ,press blankets, the same cornprising a main body coating including a mixture of glycerin and rubber, and a surface coating therefor of ink-resisting Wear sustaining properties incli'iding an alcohol solvent, copal gum.
4. In a surface covering for printing press blankets. the combination of a chemically neutralized composition of gelatin, an oil, and rubber. constituting a plastic body adapted to impregnate the blanket to which it applied. and a surface coating therefor of an iuk-resisting Wear-sustaining 4nature comprising a solution ofvegetable gums. and v a small percentage ol glycerin. JOHN F. HASKNS. lfVitnes-ses:
that ll. Bruna. Plural l). lloLriraLs.
US2337315 1915-04-23 1915-04-23 Non-offset surface-covering for impression-cylinders. Expired - Lifetime US1148381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2337315 US1148381A (en) 1915-04-23 1915-04-23 Non-offset surface-covering for impression-cylinders.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2337315 US1148381A (en) 1915-04-23 1915-04-23 Non-offset surface-covering for impression-cylinders.

Publications (1)

Publication Number Publication Date
US1148381A true US1148381A (en) 1915-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
US2337315 Expired - Lifetime US1148381A (en) 1915-04-23 1915-04-23 Non-offset surface-covering for impression-cylinders.

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