Screw unit

摘要

PCT No. PCT/DE92/00290 Sec. 371 Date Jan. 13, 1993 Sec. 102(e) Date Jan. 13, 1993 PCT Filed Apr. 7, 1992 PCT Pub. No. WO92/20297 PCT Pub. Date Nov. 26, 1992.Screw unit with a closing screw having a screw head for the aseptic closing of an internal thread of a member and an introduction post in firm, but detachable connection on the closing screw. The detachable connection is formed by a tongue in an end of the post being received in a slot in the screw head which slot terminates inward of a peripheral edge of the screw head.