ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,116, issued on May 26, was assigned to PANASONIC PROJECTOR & DISPLAY Corp. (Osaka, Japan).
"Tube joint" was invented by Shigeyoshi Matsui (Osaka, Japan) and Toshihiko Matsuda (Fukuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube joint connecting two tubes includes a female connector having an insert receptacle recessed in an axial direction that is an insertion direction, and a male connector having an insert that projects out and that is inserted in the insert receptacle in the axial direction. The female connector further includes: a pressing member; an inner seal member; a spring; an outer peripheral member that is connected to one...