Pourer tube for fluid containers

Claim 1

A combined pouring tube and container-piercing device for cans and like fluid containers comprising: a pouring portion having a passage therein and a sealing and abutment flange adjoining the lower end of said pouring portion; a sealing ring having an either U-shaped or V-shaped cross section said flange being provided with a downwardly open annular groove for the positioning of said sealing ring; a penetrating portion having a piercing stem at one end and a body portion extending from said piercing stem to said flange; said piercing stem having a hexagonal cross section and extending pyramidally into a point; said hexagonal cross section displaying three lateral surfaces and three intermediate surfaces, respectively; said point consisting of a sharp metallic tip embedded in said stem; said body portion having laterally positioned inlet openings and transverse channels disposed below said flange in the longitudinal edges of said body portion; said inlet openings being disposed below said flange in said lateral surfaces; whereby said body portion has formed an alternate arrangement of identical wider and identical narrower lateral surfaces which widen from said point towards said flange; said narrower lateral surfaces extending and terminating into sharp cutting edges in the area of said point; and a plurality of grasping lugs protruding laterally on the exterior of said pouring portion for the purpose of grasping said combined pouring tube and piercing device for rotation thereof.