Forming rolls of paper, etc. on thin-walled tubes

In winding a sheet of material, partic. paper, into a roll, a thin-walled tube is used as a core, on which several turns of the material are wound which are coated with adhesive to build up a core of sufficient thickness and strength to withstand the subsequent winding and handling operations. The a...

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Bibliographic Details
Main Authors HIETANEN, JUKKA, HEINOLA, FI, SALMILA, JOUKO JUHANI, TURKU, FI, SYRJAENEN, TIMO, HEINOLA, FI
Format Patent
LanguageEnglish
German
Published 01.06.1995
Edition5
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:In winding a sheet of material, partic. paper, into a roll, a thin-walled tube is used as a core, on which several turns of the material are wound which are coated with adhesive to build up a core of sufficient thickness and strength to withstand the subsequent winding and handling operations. The adhesive application then ceases, and a roll of the required length is wound. The end of the sheet of material is again coated with adhesive for a sufficient length to form a supportive and protective outer covering for the roll.This obviates the need for a stock of tubes of different types, and for reinforcing end-caps for them. The only requirement is for a single type of inexpensive, thin-walled, low-quality tubes. The adhesive applicator can be used to apply any type of dressing or finishing agent to the material during the winding operation
Bibliography:Application Number: DE19823250076