(19)
(11) EP 0 208 918 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.10.1989 Bulletin 1989/41

(43) Date of publication A2:
21.01.1987 Bulletin 1987/04

(21) Application number: 86108061.2

(22) Date of filing: 12.06.1986
(51) International Patent Classification (IPC)4: D04H 3/10, D04H 5/02, D06N 5/00, E04D 5/02
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 13.06.1985 US 744210

(71) Applicant: Bay Mills Limited
St. Catharines, Ontario L2M6S (CA)

(72) Inventors:
  • O'Connor, Terry J.
    Fonthill Ontario (CA)
  • Cooper, Ian G.
    St. Catharines Ontario (CA)

(74) Representative: Schmidt-Evers, Jürgen, Dipl.-Ing. et al
Patentanwälte Mitscherlich & Partner, Postfach 33 06 09
80066 München
80066 München (DE)


(56) References cited: : 
   
       


    (54) Reinforcing composite for roofing membranes and process for making such composites


    (57) A reinforcing composite for bituminous roofing membranes comprises a mechanically-fastened, open network of continuous filament, high tenacity polyester yarn. This structure is heat stabilized and may be combined with a fiberglass scrim and/or treated with a resin.





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