Nozzle

摘要

A nozzle includes a ring, a tube, a piston and a sheath. The ring includes an upper portion and a lower portion. The tube extends in the ring. The piston is connected to the tube and partially located out of the ring. The sheath is made of metal and includes a first annular flange at an end and a second annular flange at another end. The sheath is arranged around the ring. The first annular flange is placed against the upper portion of the ring and the second annular flange is placed against lower portion of the ring when sheath is provided around the ring. Thus, the sheath is kept on the ring without the use of any adhesive.

主权项

1. A nozzle comprising:
a ring comprising an upper portion and a lower portion; a tube extending in the ring; a piston connected to the tube and partially located out of the ring; a sheath made of metal and comprising:
a first annular flange formed at an end and placed against the upper portion of the ring; anda second annular flange formed at another end and placed against the lower portion of the ring thus keeping the sheath on the ring without having to use any adhesive and preventing the sheath from cutting a user.