초록 ▼

A pipe gripping apparatus for angularly adapting to misaligned pipe on one or more pipe strings, said apparatus comprising: a housing having internal, opposing, downwardly curved surfaces therein and forming a longitudinal opening for passing a portion of at least one tubing string therethrough; a p

A pipe gripping apparatus for angularly adapting to misaligned pipe on one or more pipe strings, said apparatus comprising: a housing having internal, opposing, downwardly curved surfaces therein and forming a longitudinal opening for passing a portion of at least one tubing string therethrough; a plurality of slip carriers each having an exterior surface contoured to match said downwardly curved surface and having a downwardly inclined interior surface, each said slip carrier being in movable connection with one of said curved surfaces of said housing; a plurality of slips having downwardly inclined exterior surfaces and longitudinal channels formed on an internal surface for holding gripping elements for gripping a portion of the pipe, each said slip being in sliding engagement with one of said slip carriers; and a lifting mechanism having a securing arm in connection between each pair of said opposing slips.

대표청구항 ▼

[ What is claimed is:] [1.] A pipe gripping apparatus for angularly adapting to misaligned pipe on one or more pipe strings, said apparatus comprising:a housing having internal, opposing, downwardly curved surfaces therein and forming a longitudinal opening for passing a portion of at least one tubi

[ What is claimed is:] [1.] A pipe gripping apparatus for angularly adapting to misaligned pipe on one or more pipe strings, said apparatus comprising:a housing having internal, opposing, downwardly curved surfaces therein and forming a longitudinal opening for passing a portion of at least one tubing string therethrough;a plurality of slip carriers each having an exterior surface contoured to match said downwardly curved surface and having a downwardly inclined interior surface, each said slip carrier being in movable connection with one of said curved surfaces of said housing;a plurality of slips having downwardly inclined exterior surfaces and longitudinal channels formed on an internal surface for holding gripping elements for gripping a portion of the pipe, each said slip being in sliding engagement with one of said slip carriers; anda lifting mechanism having a securing arm in connection between each pair of said opposing slips.