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1. WO1991015681 - DISPOSITIFS DE LIAISON AMELIORES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS

1. A connecting structure of two sections of a wall of a member wherein integral portions at the ends of each of the two sections are positioned adjacent one another and together define the wedge portion of a dovetail joint, and a locking rib which defines the groove portion of the dovetail joint is positioned over that wedge portion to lock the two sections together, the end portions of the sections and the wedge portion being located in a recess or within the curve of the inner wall of the structure so as to define a relatively smooth continuation of the walls of the sections across the connecting structure.
2. A structure according to Claim 1, wherein a compression member is provided between the facing end portions.
3. A structure according to Claim 1 or Claim 2, wherein a sealing material is situated between the facing end portions of the sections and/or in the space between the abutting walls of the wedge portion and the locking rib of the dovetail joint, and/or is formed over the joint areas of the dovetail joint.
4. A structure according to any one of claims l to 3, wherein a single piece locking rib is slid or snapped over the wedge portion of the dovetail joint.
5. A structure according to any of Claims 1 to 3, wherein the end portions are held in tight relationship within the locking rib by a locking wedge driven between the two portions after the locking rib is located over the end portions.
6. A structure according to any one of claims 1 to 3 , wherein the locking rib is formed in two halves with temporary or permanent securing means holding them together.

7. A connecting structure substantially as herein described with reference to the accompanying drawings.
8. A method of construction of a tank from one or more wall parts, wherein the ends of each wall part are formed as for a connecting structure of any one of Claims 1 to 7, the wall parts being transported in a flat or rolled up form and then manipulated into position on site and fixed in position by locking with the wedge portion.
9. A tank construction method substantially as herein described with reference to the accompanying drawings.
10. Each and every novel feature or novel combination of features disclosed herein.