(19)
(11) EP 0 138 985 A1

(12)

(43) Date of publication:
02.05.1985 Bulletin 1985/18

(21) Application number: 84901655.0

(22) Date of filing: 27.03.1984
(51) International Patent Classification (IPC): 
B22C 1/ 00( . )
B29C 33/ 38( . )
B29C 45/ 26( . )
B22C 9/ 00( . )
B29C 33/ 52( . )
(86) International application number:
PCT/US1984/000452
(87) International publication number:
WO 1984/003857 (11.10.1984 Gazette 1984/24)
(84) Designated Contracting States:
DE FR GB SE

(30) Priority: 28.03.1983 US 19830477580

(71) Applicant: PARK CHEMICAL COMPANY
Detroit, MI 48204 (US)

(72) Inventors:
  • FOREMAN, Robert, W.
    Bloomfield Hills, MI 48013 (US)
  • IVES, Michael, T.
    Romulus, MI 48174 (US)

(74) Representative: Schaumburg & Thoenes 
Mauerkircherstrasse 31 Postfach 86 07 48
D-8000 München 86
D-8000 München 86 (DE)

   


(54) PRESSURE MOLDING PROCESS USING SALT CORES AND A COMPOSITION FOR MAKING CORES