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:
Jan. 28, 2020
Filed:
Feb. 10, 2017
Vosstech As, Voss, NO;
Stig Ove Bjørgum, Voss, NO;
Espen Hiorth, Trondheim, NO;
Vosstech AS, Voss, NO;
Abstract
A well tool device may include a housing having an inner surface defining a through bore. Additionally, the well tool device may include a frangible disc including an upper chamfered supporting surface and a lower chamfered supporting surface and is supported by a seat in relation to the housing. Further, a force transmitting device is provided between the frangible disc and the seat. The force transmitting device may include an upper contact ring provided between the upper chamfered supporting surface of the frangible disc and the seat and a lower contact ring provided between the lower chamfered supporting surface of the frangible disc and the seat.