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1. AU1997029297 - Screen printing press having longitudinal, lateral and angular screen frame registration system and method

Office Australia
Application Number 29297/97
Application Date 30.04.1997
Publication Number 1997029297
Publication Date 26.02.1998
Publication Kind A
IPC
B41F 15/08
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
FPRINTING MACHINES OR PRESSES
15Screen printers
08Machines
B41F 15/10
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
FPRINTING MACHINES OR PRESSES
15Screen printers
08Machines
10for multicolour printing
CPC
B41F 15/10
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
FPRINTING MACHINES OR PRESSES
15Screen printers
08Machines
10for multicolour printing
B41F 15/085
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
FPRINTING MACHINES OR PRESSES
15Screen printers
08Machines
0831for printing webs
0845with flat screens
085with a stationary screen and a moving squeegee
Applicants Preco Industries, Inc.
Inventors Helmrich, Ivan B.
Raney, Charles C
Priority Data 08658025 04.06.1996 US
Title
(EN) Screen printing press having longitudinal, lateral and angular screen frame registration system and method
Abstract
(EN)
A screen printing press is provided for printing on a web having defined, successive areas and indicia provided in predetermined positions relative to each of the defined areas. The press includes a base (16) defining a work station, a screen supported on the base (48) for movement between a printing position overlying the work station and an interrupted position, and a web handling assembly (80, 82, 84, 86) for advancing the web (22) along a path of travel to successively feed the defined areas of the web toward the work station. A registration system successively positions the defined areas of the web in a desired predetermined relationship to the screen as successive defined areas are brought into a position to be printed. The registration system includes longitudinal, lateral and angular shifting mechanisms for adjusting the longitudinal, lateral and angular alignment between the screen and the web. Sensors are provided for sensing the correct positions and orientation of the indicia that are occupied when the defined areas of the web are in the predetermined relationship relative to the screen, and a controller is responsive to the sensors for controlling the longitudinal, lateral and angular shifting mechanisms to adjust the alignment between the screen and the web until the correct positions and orientation of the indicia are sensed.

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