(19)
(11) EP 0 077 772 A1

(12)

(43) Date of publication:
04.05.1983 Bulletin 1983/18

(21) Application number: 81901627.0

(22) Date of filing: 20.04.1981
(51) International Patent Classification (IPC): 
B29C 47/ 00( . )
B29D 5/ 10( . )
 B29C 47/ 30( . )
(86) International application number:
PCT/US1981/000515
(87) International publication number:
WO 1982/003597 (28.10.1982 Gazette 1982/26)
(84) Designated Contracting States:
DE FR

(71) Applicant: THE DOW CHEMICAL COMPANY
Midland Michigan 48640-1967 (US)

(72) Inventors:
  • SUTRINA, Thomas Albert
    Rockford, IL 61108 (US)
  • BEHR, Raymond Douglas
    Midland, MI 48640 (US)

   


(54) METHOD AND APPARATUS FOR FORMING AN INTEGRAL CLOSURE FOR A THERMOPLASTIC CONTAINER