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:
Dec. 05, 2017
Filed:
Jun. 24, 2014
Alexey Yur'evich Zhuravlev, Moscow, RU;
Grigory Vladimirovich Lomazov, Moscow, RU;
Igor Vladimirovich Petrov, Msocow, RU;
Alexey Yur'evich Zhuravlev, Moscow, RU;
Grigory Vladimirovich Lomazov, Moscow, RU;
Igor Vladimirovich Petrov, Msocow, RU;
MPR S.R.L., Trento TN, IT;
Abstract
A polymeric device for protection of the connecting pipe coupling contains a stepped bushing having a medium part with an increased diameter and two lateral parts with a smaller outside diameters, which is installed between end faces of pipes with a conic thread, and connected by means of a coupling and having sealing rings made of an elastomer, which are on parts of the bushing with the small diameter. The device has an additional stepped bushing, and the first stepped bushing has a constant outside diameter and two parts with small and large internal diameters, and the second stepped bushing has a constant internal diameter and two parts with small and large diameters.