24/06/2005 - Controller General of Patents, Designs, and Trade Marks

(21) Application No.3233/DEL/1997 A (22) Date of filing of Application: 11/11/1997
(54) Title of the invention: “A CORRUGATED ROOF MATERIAL.”
(51) International Classification 7 : E04 D3/35,
E04 C2/292.
(30) Priority Data:
(31) Document No.:9613766
(32) Date: 12/11/1996
(33) Name of convention country: FRANCE
(66) Filed U/s 5(2): NIL
(61) Patent of addition to application No.: NA
(62) Filed on: NA
(63) Divisional to Application No.: NIL
(64) Filed on: NA
Total No Of Pages: 21
(57) Abstract:
(71) Name of the applicant:
ONDULINE,
Address of the Applicant:
38, rue Saint Ferdinand, 75017 Paris, France.
(72) Name of the Inventor:
ALBERT COSTI.
A corrugated roof support material, comprising a roofing sheet with parallel corrugations of
peaks and valleys, said peaks having plural hollow areas for receiving roofing title tenons
therein, said hollow areas being aligned across said peaks substantially perpendicular to the
corrugation,and characterized in that a ratio of an amplitude of the corrugations to a pitch of
the corrugations is from 1:2 to 1:1.
18089