The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 1981
Filed:
May. 10, 1979
Mikhail R Unigovsky, Kiev, SU;
Evgeny V Rulevsky, Kiev, SU;
Georgy A Arendt, Moscow, SU;
Vladimir G Chirskov, Tjumen, SU;
Julian K Konovalov, Kiev, SU;
Vasily T Ivanov, Borispol Kievskoi oblasti, SU;
Isaak Y Nemirovsky, Kiev, SU;
Sergei I Kuchuk-Yatsenko, Kiev, SU;
Vasily A Sakharnov, Kiev, SU;
Alexandr B Kheinis, Kiev, SU;
Other;
Abstract
A welding bulge removing apparatus comprises a ring-shaped carrier adapted to be placed by means of rollers on welded pipes at the weld bulge, and being provided with a circumferential guideway and gear rim. It also comprises motor-operated carriages each having a driving gear wheel and support rollers. Mounted on the carriages are milling cutter units movable to and from the weld bulge. The gear wheel and the support rollers are brought respectively into engagement with the gear rim and the circumferential carrier.