US1835836A - Apparatus for applying etched tubes in intaglio printing machines - Google Patents
Apparatus for applying etched tubes in intaglio printing machines Download PDFInfo
- Publication number
- US1835836A US1835836A US304484A US30448428A US1835836A US 1835836 A US1835836 A US 1835836A US 304484 A US304484 A US 304484A US 30448428 A US30448428 A US 30448428A US 1835836 A US1835836 A US 1835836A
- Authority
- US
- United States
- Prior art keywords
- applying
- intaglio printing
- tubes
- printing machines
- etched
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
- B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
Definitions
- the invention enables the tubes to be eas ily and reliably applied without damage or jamming.
- Figure 1 representing a longitudinal section thru an apparatus according to the invention and Figure 2 a front view according to Fig.
- the etched copper tube 0 has to be.applie d to the form cylinder core d.
- the latter is mounted with its bearing journal in the bearing 6, which rests in the support 6, which is slidable in guides s of the machine framing a in a vertical direction
- the bearing support t is low-- cred into the position shown in the drawings, after'the form cylinder core-has been secured on the opposite side against dropping down.
- the bearing-re itself remains on 1n alinement from plurality of 304,484, and in Germany September 27, 1927.
- the discs have such a diameter that the etched tube a to be fixed on, is accurately guided in the direction of the axis of the form cylinder core 03 and can he slid on to the latter without jamming.
- the latter are made suitably conical or ball-shaped at their front edges.
- a guiding cylinder or guiding cross-piece or the like which enable the tube to be applied to be reliably guided in the direction of the axis of the form cylinder and for this purpose must be equal or somewhat smaller in diameter than the form cylinder core 03.
- the device can be easily adapted to machines already existant. It is merely necessary that the bearing journal u shall be provided with the corresponding screw thread. In place of the latter use may also be made of any other desired means of securing, for instance a bayonet joint or the like. In many cases it will also be 'suflicient simply to insert the guiding device in a bore of the bearing journal without any specific securing means.
- a form cylinder core In a printing press, a form cylinder core, a shaft supporting said core having an axial cavity, a column having a reduced extremity removably fitted in the cavity and extending the terminal of the shaft, said column being stationary with and supported solely in the cavity of said shaft, a guide discs fixed stationary on the column, and a form cylinder slidable over the guide discs.
- the bearing journal u of the form cylinder core d.
- the bearing journal at is provided with a bore 0 and the screw thread to, into which a screw bolt m can. be screwed.
- the latter carries the guiding device according to the invention, which consists of a column a, on which two or more guiding discs 6 6 are provided at a little distance from one a
Description
Dec. 8, 1931. 'K. ALBRECHT 1,835,336
APPARATUS FOR APPLYING ETCHED TUBES IN INTAGLIO PRINTING MACHINES Filed Sept. 7.- 1928 FIGJ. a
IN GNT Q W h m/14 M 4.4
?atented Dec. 8, 1931 UNITED STATES PATENT OFFICE KARL ALBRECHT, OF GEISENHEIM-ON-THE-RHINE, GERMANY, ASSIGNQR TO MASCHI- N ENFABRIK JOHANNISBERG GESELLSCHAFT MIT BESCHRANKTER HAFTUNG, GEISENHEIM-ON-THE-RHINE, GERMANY avoid damaging APPARATUSIOR APPLYING ETCHED TUBES IN INTAGLIO PRINTING MACHINES Application filed September 7, 1928, Serial No.
In rotary intaglio printing machines use is frequently made as carriers for the etchings,-of copper tubes or coppered tubes of aluminum, iron, brass or the like. For applying these tubes to the form cylinder cores the latter are either taken out of the machine or the fixing takes place in the machine. If the form cylinder core remains in the 'working bearings for this operation, an aperture is provided in the side framework of the machine, through which aperture the tube can be slid over the core. The bearing of the form cylinder core or an intermediate sleeve between the latter and the side portion is removed on this side.
The sliding on of the polished and etched copper tube through the aperture requires however a definite skill and care on the part of the operator. It is not always possible to and consequently rendering the images on the'copper tubes useless.
The invention enables the tubes to be eas ily and reliably applied without damage or jamming.
The drawings illustrate the invention by wav of example,
Figure 1 representing a longitudinal section thru an apparatus according to the invention and Figure 2 a front view according to Fig.
The etched copper tube 0 has to be.applie d to the form cylinder core d. The latter is mounted with its bearing journal in the bearing 6, which rests in the support 6, which is slidable in guides s of the machine framing a in a vertical direction In order to affix the tube 0, the bearing support t is low-- cred into the position shown in the drawings, after'the form cylinder core-has been secured on the opposite side against dropping down. The bearing-re itself remains on 1n alinement from plurality of 304,484, and in Germany September 27, 1927.
other. The discs have such a diameter that the etched tube a to be fixed on, is accurately guided in the direction of the axis of the form cylinder core 03 and can he slid on to the latter without jamming. In order to facilitate the sliding of the tube a on to the guiding discs 6 b the latter are made suitably conical or ball-shaped at their front edges.
In place of the guiding discs use may naturally also be made of a guiding cylinder or guiding cross-piece or the like, which enable the tube to be applied to be reliably guided in the direction of the axis of the form cylinder and for this purpose must be equal or somewhat smaller in diameter than the form cylinder core 03.
The device can be easily adapted to machines already existant. It is merely necessary that the bearing journal u shall be provided with the corresponding screw thread. In place of the latter use may also be made of any other desired means of securing, for instance a bayonet joint or the like. In many cases it will also be 'suflicient simply to insert the guiding device in a bore of the bearing journal without any specific securing means.
What I claim is In a printing press, a form cylinder core, a shaft supporting said core having an axial cavity, a column having a reduced extremity removably fitted in the cavity and extending the terminal of the shaft, said column being stationary with and supported solely in the cavity of said shaft, a guide discs fixed stationary on the column, and a form cylinder slidable over the guide discs.
In testimony whereof I have hereunto affixed my signature.
KARL ALBRECHT.
the bearing journal u of the form cylinder core d. The bearing journal at is provided with a bore 0 and the screw thread to, into which a screw bolt m can. be screwed. The latter carries the guiding device according to the invention, which consists of a column a, on which two or more guiding discs 6 6 are provided at a little distance from one a
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1835836X | 1927-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1835836A true US1835836A (en) | 1931-12-08 |
Family
ID=7745349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US304484A Expired - Lifetime US1835836A (en) | 1927-09-27 | 1928-09-07 | Apparatus for applying etched tubes in intaglio printing machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1835836A (en) |
-
1928
- 1928-09-07 US US304484A patent/US1835836A/en not_active Expired - Lifetime
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