Portfolio against moisture

The utility model relates to a portfolio against moisture, comprising a portfolio bottom, a portfolio edge, and a portfolio cover. The portfolio bottom and the portfolio cover comprise leather layers, plastic foam layers, and a wooden-body portfolio body. The leather layers are assembled layers that...

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Bibliographic Details
Main Authors TIAN XIBAO, ZHOU JINHAI, FAN DEHUI ET AL
Format Patent
LanguageEnglish
Published 14.07.1993
Edition5
Subjects
BOOKBINDING
FILE CARDS
FILES
FILING APPLIANCES
INDEXING
PERFORMING OPERATIONS
SHEETS TEMPORARILY ATTACHED TOGETHER
SPECIAL PRINTED MATTER
TRANSPORTING
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Summary:The utility model relates to a portfolio against moisture, comprising a portfolio bottom, a portfolio edge, and a portfolio cover. The portfolio bottom and the portfolio cover comprise leather layers, plastic foam layers, and a wooden-body portfolio body. The leather layers are assembled layers that leathers and cowhides are fastened into integration by the adhesive of chlorine and tincture series. Under the various humidity of natural air, the utility model enables the surface of the leathers not to bubble and deform, and enhances the strength of the leathers. The appearance of the portfolio against moisture is brilliant, luxurious, and beautiful; the utility model develops to high grade.
Bibliography:Application Number: CN1992236217U