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:
Mar. 21, 2006
Filed:
Aug. 08, 2001
Applicants:
Giuseppe Della Pina, Treviolo, IT;
Giuseppe Rotini, Dalmine, IT;
Angelo Signorelli, Chiuduno, IT;
Inventors:
Assignee:
Dalmine S.p.A. (Italian Joint Stock Company), Dalmine, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flush-type integral threaded joint with truncated-cone threads, with two scaling surfaces″) set at the end of the threaded portions (), and with two annular scaling shoulders (″). The two threaded portions () of the male element () and female element (), respectively, have the same value of conicity, and the two sealing surfaces (″) are, in one case, conical or cylindrical, and in the other spherical. The threaded portion of each male and female element may have an end area with a thread that is not perfect.