Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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MB Skinner Co
Original Assignee
MB Skinner Co
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Filing date
Publication date
Priority claimed from US77609558external-prioritypatent/US2950637A/en
Priority claimed from US82359559external-prioritypatent/US2990731A/en
Application filed by MB Skinner CofiledCriticalMB Skinner Co
Application grantedgrantedCritical
Publication of FR80028EpublicationCriticalpatent/FR80028E/en
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L41/00—Branching pipes; Joining pipes to walls
F16L41/04—Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Earth Drilling
(AREA)
FR866071A1958-11-241961-06-26
Method and device for drilling steel-walled elements
ExpiredFR80028E
(en)