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. 17, 1983
Filed:
Oct. 21, 1980
Boris E Paton, Kiev, SU;
Vladimir K Lebedev, Kiev, SU;
Sergei I Kuchuk-Yatsenko, Kiev, SU;
Vasily A Sakharnov, Kiev, SU;
Boris A Galian, Kiev, SU;
Grigory B Asoiants, Kiev, SU;
Mikhail F Vorobei, Kiev, SU;
Sergei A Solodovnikov, Kiev, SU;
Other;
Abstract
An apparatus comprises a body having V-shaped two-arm levers mounted thereon. Around the periphery of the body there are mounted cutting tool holders pivoted each to one arm of each of the levers. Secured to the body are drives for turning the levers and each connected with the other arm of each of the levers. On the front and rear ends of the cutting tool holders there are mounted rollers in contact with the inside surface of the pipe. Rigidly attached to the cutting tool holders are cutting tools.