GB597758A - Improvements in duplicating machines - Google Patents

Improvements in duplicating machines

Info

Publication number
GB597758A
GB597758A GB2184845A GB2184845A GB597758A GB 597758 A GB597758 A GB 597758A GB 2184845 A GB2184845 A GB 2184845A GB 2184845 A GB2184845 A GB 2184845A GB 597758 A GB597758 A GB 597758A
Authority
GB
United Kingdom
Prior art keywords
resilient pad
master sheet
carries
operative position
shrouding plate
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
Application number
GB2184845A
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.)
FRANK RONALD FORD
Original Assignee
FRANK RONALD FORD
Filing date
Publication date
Application filed by FRANK RONALD FORD filed Critical FRANK RONALD FORD
Publication of GB597758A publication Critical patent/GB597758A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L7/00Apparatus for directly duplicating from hectographic originals, i.e. for obtaining copies in mirror image
    • B41L7/02Apparatus for directly duplicating from hectographic originals, i.e. for obtaining copies in mirror image by passing original and copy-sheet or -web between rollers
    • B41L7/08Apparatus for directly duplicating from hectographic originals, i.e. for obtaining copies in mirror image by passing original and copy-sheet or -web between rollers with means for moistening or drying

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

<PICT:0597758/III/1> A duplicating-machine, more particularly of the type in which a copy sheet and a master sheet bearing in reverse script the matter to be reproduced are passed in pressure contact between a cylinder 12, which carries the master sheet and a pressure roller 13, and in which the copy sheet before coming in contact with the master sheet is acted upon by a moistening device which includes a stationary absorbent pad 15, which is kept damp by liquid drawn from the tank 16, has provided for the latter, a hinged shrouding plate 20, which when in the operative position conceals the filling orifice 19, and carries a resilient pad 23, which under these conditions forms a liquid-tight closure for the orifice. To the inner face of the shrouding plate a stiffening device 22 is attached to which the resilient pad may be secured. The shrouding plate can be retained in its operative position by the weight of a feed tray 24. The filling orifice may be provided with a raised rim upon which the resilient pad can be seated.
GB2184845A 1945-08-25 Improvements in duplicating machines Expired GB597758A (en)

Publications (1)

Publication Number Publication Date
GB597758A true GB597758A (en) 1948-02-03

Family

ID=1736522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2184845A Expired GB597758A (en) 1945-08-25 Improvements in duplicating machines

Country Status (1)

Country Link
GB (1) GB597758A (en)

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