EP 0124117 A3 19850703 - GUIDING AND CENTERING DEVICE FOR SCREW-CONNECTED TUBES
Title (en)
GUIDING AND CENTERING DEVICE FOR SCREW-CONNECTED TUBES
Publication
Application
Priority
- DE 3315752 A 19830430
- DE 3331867 A 19830903
Abstract (en)
[origin: US4599778A] The invention relates to an inserting and centering device for associated screw-in pipes. Two semi-cylindrical jaws are connected in articulating manner on the cylindrical inside surfaces of which are provided an annular projection having an annular, downward shoulder to rest on the socket edge of the pipes.The jaws further comprise, at their upper end, a conical flare joining the said projection. Each jaw is equipped with one handle. the device further includes a closure mechanism to keep together the jaws when they are in the closed position wherein the jaws enclose with play the pipe socket. One handle of at least one jaw at the same time is designed to be a part of the closure mechanism.
IPC 1-7
IPC 8 full level
E21B 19/16 (2006.01)
CPC (source: EP US)
E21B 19/16 (2013.01 - EP US); Y10T 29/53917 (2015.01 - EP US)
Citation (search report)
- [A] DE 2726472 B2 19800717
- [Y] GB 1217010 A 19701223 - MATHERN LEE [US]
- [Y] US 2313743 A 19430316 - GRAU HERBERT E, et al
- [Y] US 4213237 A 19800722 - WHITING WINSLOW [US]
- [A] US 4295526 A 19811020 - HAUK ERNEST D, et al
Designated contracting state (EPC)
AT BE DE FR GB IT LU NL
DOCDB simple family (publication)
EP 0124117 A2 19841107; EP 0124117 A3 19850703; US 4599778 A 19860715
DOCDB simple family (application)
EP 84104795 A 19840428; US 64347684 A 19840430