Adhesive tape and its base fabric

s\ — Illl INI II III 1 1 II I II II III II I II OJII Eur°Pean Patent Office <*S Office europeen des brevets (11) EP 0 821 044 A2 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: (51) int. CI.6: C09J 7/04 28.01.1998 Bulletin 1998/05 (21) Application number: 97112475.5 (22) Date of filing: 21.07.1997 (84) Designated Contracting States: (72) Inventors: AT BE CH DE DK ES Fl FR GB GR IE IT LI LU MC • Kurihara, Kazuhiko NL PT SE Itabashi-ku, Tokyo 175 (JP) • Yazawa, Hiroshi (30) Priority: 26.07.1996 JP 215252/96 Kunitachi-shi, Tokyo 186 (JP) • Kimura, Masato (71) Applicants: Fujisawa-shi, Kanagawa 252 (JP) • NIPPON PETROCHEMICALS CO., L T D . . Yamada, Jun Tokyo 100 (JP) Yokosuka-shi, Kanagawa 239 (JP) • POLYMER PROCESSING RESEARCH INSTITUTE LIMITED (74) Representative: Tokyo 173 (JP) Strehl Schubel-Hopf Groening & Partner Maximilianstrasse 54 80538 Munchen (DE) (54) Adhesive tape and its base fabric (57) A base fabric used for producing an adhesive tape and the adhesive tape with the same, which adhesive tape has good transversely tearable property and small in thickness, said base fabric being composed of at least one longitudinal base material of stretched uni- directionally aligned nonwoven fabric which is made by spinning a thermoplastic resin into a long filament nonwoven fabric and stretching it in one direction so as to aligne its filaments almost in one direction. CM < O CM CO o Q_ LU Printed byXerox (UK) Business Services 2.15.8/3.4

Adhesive tape and its base fabric

Documents

adhesive layer

thermoplastic resin

rayon staple fiber