Abstract: Disclosed is a threaded pipe connection. The connection includes tubular externally threaded male members and a tubular internally threaded female coupling threadedly engaged with the male members. The male members include a continuous thread having a first preferably straight portion and a second tapered portion. The thread includes a form having stabbing and load flanks and an axially extending crest and root. Throughout the thread, lead as measured along the load flanks is constant and the length of the crest and depth of the load flanks are constant.
Type:
Grant
Filed:
October 2, 1985
Date of Patent:
October 14, 1986
Assignee:
AWB, Inc.
Inventors:
Robert A. Axford, Edgar C. Wood, Jr., Herbert F. Brandana
Abstract: Disclosed is a threaded pipe connection. The connection includes tubular externally threaded male members and a tubular internally threaded female coupling threadedly engaged with the male members. The male members include a continuous thread having a first preferably straight portion and a second tapered portion. The thread includes a form having stabbing and load blanks and an axially extending crest and root. Throughout the thread, lead as measured along the load flanks is constant and the length of the crest and depth of the load flanks are constant.
Type:
Grant
Filed:
April 4, 1983
Date of Patent:
February 4, 1986
Assignee:
AWB, Inc.
Inventors:
Robert A. Axford, Edgar C. Wood, Jr., Herbert F. Brandana