Patents Assigned to Ruplast Kunststofftechnik GmbH
  • Patent number: 6722904
    Abstract: A vacuum cleaner hose with a connection sleeve includes a hose (1) having an inner wall, a protective envelope (2) for electrical conductors (3) attached at an inner wall of the hose (1), a rear connection part (4a) formed at a connection sleeve (4) and engaging partially into the hose (1), a receiver (4b) extending from the rearward end of the connection sleeve (4) and formed for an insertion of a coordinated end of the protective envelope (2), wherein an end of the receiver (4b) is disposed opposite to an end for insertion and is closed. The receiver (4b) is formed as a tube molded to the inner jacket face of the rear connection part (4). The tube exhibits a first recess (4d) directed rearwardly from the closed end of the tube.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: April 20, 2004
    Assignee: Ruplast Kunststofftechnik GmbH
    Inventor: Georg Peter Linhart