The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 1996
Filed:
Oct. 05, 1993
Fabio Launaro, Fano, IT;
Roberto Bruschi, Falconara Marittima, IT;
Floriano Casola, Gazzada Schianno, IT;
Robert Warshaw, East Meadow, NY (US);
Eniricerche S.p.A., Milan, IT;
Snamprogetti S.p.A., Milan, IT;
Enisud S.p.A., Rome, IT;
Saipem S.p.A., Milan, IT;
Snam S.p.A, Milan, IT;
Tecnomare S.p.A., Venezia, IT;
Parson Brinckeroff Quade & Douglas, Inc., New York, NY (US);
Abstract
This invention provides a seismic joint for an underwater floating tunnel having: (a) a joint portion (i) having a transverse section essentially the same as that of the tunnel, (ii) being rigidly fastened to land at one end (A) thereof, and (iii) being elastically constrained to the tunnel at its other end (B) via a plurality of operably affixed means which performs an elastic function and a damping function; (b) a collar welded onto the external surface of the tunnel facing end (B) of the portion, said collar being capable of sliding on and along the external surface of the joint portion; and (c) a means for providing a water-tight seal between the internal surface of the collar and the external surface of the joint portion.