B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 29/02 (2006.01) E04C 5/12 (2006.01) E04G 21/12 (2006.01) E21D 21/00 (2006.01) E21D 21/02 (2006.01)
Patent
CA 2419720
This invention relates to a device [10,42,45,47] for tensioning elongated elements such as metal rods [52], rope [59] and the lik e and comprises an inflatable pressure vessel having two superimposed major wall components [12,14] which include an aperture [28] which passes through them and a valve [20] for filling the vessel with liquid under pressure to cause the vessel to be inflated in the axial direction of the aperture [28].
La présente invention concerne un dispositif (10, 42, 45, 47) destiné au tensionnement d'éléments allongés, telles que des tiges métalliques (52), des cordes (59) et analogues. Ce dispositif comprend un appareil à pression, gonflable, formé de deux parois principales (12, 14) superposées, traversées par une ouverture (28), et d'une valve (20) destinée au remplissage de l'appareil avec un liquide sous pression, pour le gonflage du récipient dans la direction axiale de l'ouverture (28).
Mckelvey John Paul
Tyrer David Charles
Borden Ladner Gervais Llp
Mckelvey John Paul
Tyrer David Charles
LandOfFree
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