Structure for interconnecting two parts, separated by an expansion joint, of an assembly forming a very long beam, for example a bridge deck
CA 2083160 A1 · Owner: Societe Centrale D'Etudes Et De Realisations Routieres-Scetauroute · Inventors: Muller, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Structure for Linking the two parts, separated by an expansion joint, of a structure comprising a girder of great length for, example a bridge platform. ABSTRACT Structure for preventing the relative angular displacement on both sides of the expansion joint (3) separating two parts (1, 2) of a structure forming a girder of great length such as, a bridge platform, made particularly of prestressed concrete. The structure comprises a rigid girder (8) arranged lengthwise on both sides of the joint and supported on each side by two bearings (9, 11, 13; 10, 12, 14) lingitudinally spaced apart in, order to transmit a bending moment and/or a transverse force without impeding expansion. Preferably …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 3, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.