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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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B65H
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
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19/00
Changing the web roll
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B65H19/22
in winding mechanisms or in connection with winding operations
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B65H19/2207
the web roll being driven by a winding mechanism of the centre or core drive type
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B65H19/2223
Turret-type with more than two roll supports
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