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. 01, 1990
Filed:
Jan. 25, 1989
Kennard W Taylor, Houston, TX (US);
Cameron Iron Works USA, Inc., Houston, TX (US);
Abstract
A safety connection for connecting a plug into a tubular member such as in a passage of a choke or valve body, the tubular member having a threaded port extending into the interior of the passage, a plug body positioned within said passage and having an external groove being aligned with the opening of the port into the interior of the passage, a threaded plug positioned within said port, and having an inner end engaging within the external groove in the plug body, sealing means between said plug body and the interior of said passage, means for sealing between the interior of said threaded plug and the threaded port, a vent opening extending through said threaded port and being sealed by the seating of said threaded plug in said threaded port, the partial unthreading of said threaded plug outwardly in said threaded port opening the vent opening for venting pressure from within the tubular member while maintaining the inner end of the threaded plug in engagement with the groove in the plug body to retain it in its seated position with the tubular member.