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. 19, 2023
Filed:
Dec. 11, 2020
Zlatko Salihbegovic, New Iberia, LA (US);
Zlatko Salihbegovic, New Iberia, LA (US);
Abstract
Bellows are devices used to compensate linear, thermal, or angular movement/expansion. In oil and gas industry bellows are used in gas lift valves as a slidable seal between two gases. Gas lift valves are used in process of oil artificial lift from wells. Bellows having very thin walls are not well suited for pressures higher than approximately 200 PSI. To withstand much higher pressures bellows are being crimped, process that compresses the bellow to shorter length which increases bellow mechanical toughness. This patent application refers to bellow crimping method that uses initially balanced internal and external pressure to crimp bellow to desired length and maintain perfect bellow elements-convolution Ω geometry using custom designed crimping device.