Importance

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Abstract

An anchor mechanism for use in a well including a housing with a plurality of openings evenly distributed along the circumference of the housing and each opening arranged to narrowly house a radially movably slip including first and second end portions, a gripping side facing a well wall, the gripping side being provided with a plurality of teeth, an underside facing the opposite direction, two side faces extending from the gripping side to the underside and to two end faces; the slip having, at its first and second end portions, with a first inclined face and a second inclined face substantially sloping from the end faces and towards the middle portion of the slip on the underside; the slip provided, on its end faces, with laterally projecting tongues having a longitudinal direction parallel to the inclined faces; the slip provided, on its two side faces, with guide portions exhibiting a longitudinal direction perpendicular to the longitudinal direction of the slip and the guide portion complementarily fitting an inward-facing guide in the housing; the anchor mechanism provided with first and second axially movable slip cones being surrounded in a portion of the housing; the slip cones having inclined faces in their position of application arranged to rest against the inclined faces of the slip, the slip cones provided with a plurality of grooves, each groove being arranged to house one tongue, and the housing being constituted by a first housing half and a second housing half.

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First Claim