| 摘要 |
<p>An injection flange for use with dispensers of flowable materials such as sealants, adhesives, fillers and caulking compounds is disclosed. The injection flange comprises a housing (17) having a cavity (24), on one side of which is a flange (11) disposed about a lower opening and, on another side, an upper opening (26) in which there is disposed in sliding engagement therewith a tubular member (12) having a passage to convey the material from an inlet end (13) of the member, which is adapted for connection to the dispenser, to an outlet end (22) of the member (12) disposed within the cavity (24), the outlet end (22) and the inlet end (13) each having a protuberance (15, 21) to restrict the portion of the tubular member (12) therebetween to a sliding movement in the upper opening (26) between a closed position, in which the outlet end (22) of the passage (23) is blocked in the upper opening (26) in a manner so as to restrict or prevent the flow of material into and out of the outlet (22) and into the cavity (24), and an open position, in which material may flow into and from the outlet (22) into the cavity (24).</p> |
