(19)
(11) EP 0 033 619 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.11.1981 Bulletin 1981/44

(43) Date of publication A2:
12.08.1981 Bulletin 1981/32

(21) Application number: 81300322

(22) Date of filing: 23.01.1981
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 04.02.1980 AU 222180

(71) Applicants:
  • Paterson, John
     ()
  • Kasteel, Robert
     ()

(72) Inventor:
  • Paterson, John
     ()

   


(54) Building unit, building structure or form structure for concrete formed therefrom, and methods of making such structures and concrete shells


(57) A building unit (1) has a flat inner wall (5), convex outer wall (4) and side walls (6) together defining a cavity space. The unit may comprise a vertical cavity wall section (2) and an integral cavity roof section (3) disposed at an angle to the wall section. A plurality of such building units (1) may be joined together to form a building structure. The building units may also be used to provide a form structure for the casting of an outer concrete shell (13) after which the form structure may be removed.







Search report