(19)
(11) EP 0 111 132 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.07.1984 Bulletin 1984/30

(43) Date of publication A2:
20.06.1984 Bulletin 1984/25

(21) Application number: 83110728

(22) Date of filing: 27.10.1983
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 02.11.1982 IT 8496782

(71) Applicant: AR.TE.CA. S.p.A.
 ()

(72) Inventors:
  • Bonazzi, Vincenzo
     ()
  • Casiraghi, Giorgio
     ()

   


(54) Method and apparatus for preparing artificial hide or hide backing and the hide or hide backing thus obtained


(57) @ The present invention relates to a method and an apparatus for preparing an artificial hide or backing for artificial hides, and the hide and backing thus obtained.
The method comprises the steps of applying a liquid-state pre-polymer onto a textile base or weave, hot foaming and cross-linking the pre-polymer in an acqueous medium, and drying the product thus obtained.
The apparatus comprises an applicator unit for applying a liquid-state pre-polymer onto a textile support or base, a processing chamber or tank wherein the pre-polymer is exposed to hot water or steam, and a drier unit.
The backing for artificial hides thus produced comprises a textile weave which is impregnated with a foam obtained from a liquid polyurethane polymer containing an active isocyanic group-based agent.






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