Method of and arrangement for gripping starting portion of coiled film

For lifting and grasping a starting portion of a film located in a coil, the method includes driving a coil by a friction wheel abutting against an outer surface of the coil with an end edge of a starting portion of the coil located arbitrarily on the outer surface, placing a separating wedge under...

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Bibliographic Details
Main Authors LIERMANN; TRAUGOTT, NADLER; FRANZ, RISSER; JUERGEN
Format Patent
LanguageEnglish
Published 05.10.1993
Edition5
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
CONVEYING
ELECTROGRAPHY
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
HOLOGRAPHY
PACKING
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
STORING
TRANSPORTING
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Summary:For lifting and grasping a starting portion of a film located in a coil, the method includes driving a coil by a friction wheel abutting against an outer surface of the coil with an end edge of a starting portion of the coil located arbitrarily on the outer surface, placing a separating wedge under a prestress on the outer surface of the coil and lifting the starting portion of the film from the coil by an edge of the separating wedge, and first turning the coil against a latter uncoiling direction, and after a recognition of a position of the end edge of the starting portion of the film turning the coil in the uncoiling direction.
Bibliography:Application Number: US19920874607