Patents Assigned to Koninklijke Emballage Industrie Van Leer N.V.
  • Patent number: 5996835
    Abstract: A barrel comprises a tubular body (1) and two end faces at opposite ends of the body, which body and end faces are made of a plastic material and are fixed to each other by welding or gluing. In order to obtain a strong fixing which can withstand lifting forces, at at least one of its ends (3) the body is a gradually widening or narrowing shape, and the respective end face (2) has a correspondingly shaped edge which is fixed to the gradually widening or narrowing end of the body.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: December 7, 1999
    Assignee: Koninklijke Emballage Industrie Van Leer N.V.
    Inventors: Edward James Farrington, Gerrit Jan Van Keimpema
  • Patent number: 5960528
    Abstract: A drum with a drum closure provided in a drum wall comprises an insert and a shut-off cap which can be placed in the insert which insert is situated in a collar on the drum wall pointing towards the outside of the drum and has a first flange which rests against the inside of the drum wall and a second flange which is flanged radially outwards over the collar and also a sealing ring which is wedged between the first flange and the inside of the drum wall. An additional seal which may or may not be connected to the sealing ring, is provided between the collar and the insert lying opposite in order to improve the sealing.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: October 5, 1999
    Assignee: Koninklijke Emballage Industrie Van Leer N.V.
    Inventor: Herman P. Kars