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Publication numberUS3871294 A
Publication typeGrant
Publication dateMar 18, 1975
Filing dateJul 10, 1972
Priority dateDec 30, 1968
Publication numberUS 3871294 A, US 3871294A, US-A-3871294, US3871294 A, US3871294A
InventorsKoichi Hirokawa, Yoshiharu Kagari
Original AssigneeRicoh Kk
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Duplicator master feed using decimal code to set copy count
US 3871294 A
Abstract
An automated offset lithographic duplicating machine permits to automatically mount a master or lithographic plate on a master cylinder, to apply ink repellent etching solution to the mounted master or lithographic plate in a time predetermined by the operator, and to perform a number of sequential duplicating steps of a duplicating cycle. The washing of a blanket cylinder, constituting the final step of the duplicating cycle of a lithographic plate, is performed in a time predetermined by the operator before the cylinder automatically stops. The number of copies to be duplicated for each lithographic plate is indicated by an indicator after marks on the lithographic plate, for indicating the number of copies to be duplicated, are read by a device provided in the machine. When the number of copies indicated by the indicator has been duplicated, washing of the blanket cylinder is automatically initiated.
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Description  (OCR text may contain errors)

United States Patent 1191 [11] 3,871,294 Mar. 18, 1975 Kagari et al.

[54] DUPLICATOR MASTER FEED USING 3,547,027 12/1970 Gombault l0l/132.5

DECIMAL CODE TO SET COPY COUNT 3,562,491 2/1971 Branfield- 3,585,928 6/1971 Kaneko.... 1 Inventors: Yoshiharu g i i 3,650,204 3/1972 Burger 101/132 x Japan FOREIGN PATENTS OR APPLICATIONS [731 Asslgnee: filg Kaisha Rico", Tokyo 174,210 12/1969 United Kingdom 101/132 [22] Filed: July 10, 1972 Primary ExaminerRobert E. Bagwill Assistant Examiner-R. E. Suter [21] Appl' 270561 Attorney, Agent, or Firm-McGlew and Tuttle Related U.S. Application Data 63] Continuation-in-part of Ser. No, 882,648, Dec. 5, ABSTRACT 19691 abandoned' An automated offset lithographic duplicating machine permits to automatically mount a master or litho- [301 Apphcatlon pnomvy Data graphic plate on a master cylinder, to apply ink repe|- Dec. 30, 1968 Japan 43-96546 lent etching solution to the mounted master or lithographic plate in a time predetermined by the operator, [52] U.S. Cl. ll/132.5, 101/142 and to perform a number of sequential duplicating [51] Int. Cl. B411 11/08, B411 1l/14 steps of a duplicating cycle. The washing of a blanket Field of Search 3 cylinder, constituting the final step of the duplicating 35, 13 2, 91 cycle of a lithographic plate, is performed in a time predetermined by the operator before the cylinder aul l References Cited tomatically stops. The number of copies to be dupli- UNITED STATES PATENTS cated for each lithographic plate is indicated by an in- 2,906,196 9/1959 Ritzerfeld et a1. 101/2 after marks on the lithographic for indi' 2,950,049 8/1960 Mazer et al 235/6l.ll cating the number of copies to be duplicated, are read 3 9 5 019 12 19 0 Hayes et 1 10 32 X by a device provided in the machine. When the num- 3,l02,470 9/1963 Cragg et al. 101/144 ber of copies indicated by the indicator has been du- 20,3 H1969 Ro g t -m- 2 plicated, washing of the blanket cylinder is automati- 3,457,ss7 7/1969 Burger 101/144 Cally initiated. 3,470,357 9/1969 Ritzerfeld 101/132.5 UX 3,493.301 2/1970 Sable et al. 101/91 x 3 Claims, 62 Drawing Figures 5 {)1 122 J 5 D4 i I 1 P I llllllllll llllllllll llllllllll llllllllll OI 23456789 0123456789 O|2 3456789 Ol23456789 PATENTEU 3.871.294

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Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2906196 *Jul 28, 1958Sep 29, 1959Ritzerfeld GerhardEjector and sorting mechanism for printing machines
US2950049 *Nov 9, 1955Aug 23, 1960Ncr CoMethod of controlling apparatus from marks on record material
US2965019 *Nov 26, 1956Dec 20, 1960Magnavox CoCard processing apparatus
US3102470 *Sep 8, 1961Sep 3, 1963Ditto IncDuplicating machine with automatic controls
US3420368 *Sep 14, 1966Jan 7, 1969Bunn Co BMail sorting machine
US3457857 *Jul 29, 1966Jul 29, 1969Addressograph MultigraphControl system for master processing and duplicating
US3470357 *Jun 5, 1964Sep 30, 1969Wilhelm RitzerfeldMethod of producing a printing form and of evaluating data contained therein
US3493301 *Jan 26, 1966Feb 3, 1970IbmDocument processing method
US3547027 *Apr 11, 1968Dec 15, 1970Hadewe Eerste Nl DuplicatorfabDevice for hectographically printing a text
US3562491 *Oct 19, 1967Feb 9, 1971Dick Co AbMaster controlled copy count method and apparatus
US3585928 *Sep 12, 1968Jun 22, 1971Ricoh KkPrinting plate making machine
US3650204 *Jan 22, 1970Mar 21, 1972Addressograph MultigraphReprography machine controlled by information on master
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4008660 *Apr 8, 1975Feb 22, 1977Pitney-Bowes, Inc.Master loading and unloading apparatus for a lithographic printing machine
US4069757 *Apr 20, 1977Jan 24, 1978Gerhard RitzerfeldProgrammed operation of rotary duplicator machine capable of whole-page, paragraphwise and linewise printing upon whole-page sheets and smaller-format cards or slips
US4082039 *Oct 1, 1975Apr 4, 1978Addressograph Multigraph CorporationDuplicator control by area scanned coded master
US4102267 *Apr 20, 1977Jul 25, 1978Gerhard RitzerfeldFeeding of sheets and cards in a rotary duplicator machine capable of whole-page and linewise printing
US4232602 *Jan 4, 1978Nov 11, 1980Gestetner LimitedPlate loader for offset printing machines
US4353299 *Jan 16, 1981Oct 12, 1982Ricoh Co., Ltd.Automatic control system for offset printing machine
US4528907 *Jun 22, 1984Jul 16, 1985Norwood Marking & Equipment Co., Inc.Print head with dual exchangeable hot inking rolls
US4858528 *Aug 28, 1986Aug 22, 1989Toray Industries, Inc.Printing press and control method of plate feeding operation
US7111553 *Dec 3, 2004Sep 26, 2006Ryobi Ltd.Method of kneading ink of a printing press and printing press
Classifications
U.S. Classification101/132.5, 101/142
International ClassificationB41F7/26, B41L19/00, B41L39/16, B41L39/00, B41L25/00, B41L39/02, B41L39/14
Cooperative ClassificationB41L39/16, B41L19/00, B41L39/14, B41L39/02, B41F7/26, B41L25/005, B41L39/00
European ClassificationB41L19/00, B41L25/00B, B41L39/14, B41F7/26, B41L39/00, B41L39/16, B41L39/02