CORRUGATED BOARD SHEET PIPE

PROBLEM TO BE SOLVED: To form a sheet pipe with sufficient rigidity by using a corrugated board available at a low price. SOLUTION: For a corrugated board sheet pipe, a band material 7 made from a corrugated board on one side is wound at least twice with its flute portion 2 inside, an adhesive layer...

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Bibliographic Details
Main Author KOJIMA TERUMASA
Format Patent
LanguageEnglish
Published 23.02.1999
Edition6
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER
MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARDOR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Summary:PROBLEM TO BE SOLVED: To form a sheet pipe with sufficient rigidity by using a corrugated board available at a low price. SOLUTION: For a corrugated board sheet pipe, a band material 7 made from a corrugated board on one side is wound at least twice with its flute portion 2 inside, an adhesive layer 5 is provided at the ridge line 4 of the flute portion 2 in a wound and superposed area to mutually adhere the superposed portions of the band material 7 and an overlapped area 6 beyond a winding start portion is provided somewhat at a winding end portion to trim the flute portion in the overlapped area 6 for adhering the back to the surface of the superposed band material 7.
Bibliography:Application Number: JP19970216977